From 1eb07320467109d59d9227f6ffca0959607dc8b0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 15:11:39 +0100
Subject: [PATCH 01/92] iter

---
 .github/workflows/test.yml | 239 +++++++++++++++++++++++++++++++++++++
 1 file changed, 239 insertions(+)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index bc9eb44c..97d30f67 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,6 +9,15 @@ on:
   pull_request:
     branches:
       - master
+  schedule:
+    # Daily build at 1:00 AM UTC
+    - cron: "0 1 * * *"
+
+# Cancel in-progress workflows when pushing
+# a new commit on the same branch
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 
 jobs:
 
@@ -27,3 +36,233 @@ jobs:
       - name: Run black
         run: |
           black --check --diff .
+
+  testing:
+    name: Testing
+    needs: linting
+    timeout-minutes: 30
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+
+          - pylatest_conda_forge_mkl:
+            os: windows-latest
+            PYTHON_VERSION: "*"
+            PACKAGER: "conda-forge"
+            BLAS: "mkl"
+          - py310_conda_forge_openblas
+            os: windows-latest
+            PYTHON_VERSION: "3.10"
+            PACKAGER: "conda-forge"
+            BLAS: "openblas"
+          - py39_conda
+            os: windows-latest
+            PYTHON_VERSION: "3.9"
+            PACKAGER: "conda"
+          - py38_pip
+            os: windows-latest
+            PYTHON_VERSION: "3.8"
+            PACKAGER: "pip"
+
+          # MacOS env with OpenMP installed through homebrew
+          - name: py38_conda_homebrew_libomp
+            os: macos-latest
+            PYTHON_VERSION: "3.8"
+            PACKAGER: "conda"
+            BLAS: "openblas"
+            CC_OUTER_LOOP: "clang"
+            CC_INNER_LOOP: "clang"
+            INSTALL_LIBOMP: "homebrew"
+          # MacOS env with OpenBLAS and OpenMP installed through conda-forge compilers
+          - name: pylatest_conda_forge_clang_openblas
+            os: macos-latest
+            PYTHON_VERSION: "*"
+            PACKAGER: "conda-forge"
+            BLAS: "openblas"
+            CC_OUTER_LOOP: "clang"
+            CC_INNER_LOOP: "clang"
+            INSTALL_LIBOMP: "conda-forge"
+          # MacOS env with MKL and with OpenMP installed through conda-forge compilers
+          - name: pylatest_conda_forge_clang
+            os: macos-latest
+            PYTHON_VERSION: "*"
+            PACKAGER: "conda-forge"
+            BLAS: "mkl"
+            CC_OUTER_LOOP: "clang"
+            CC_INNER_LOOP: "clang"
+            INSTALL_LIBOMP: "conda-forge"
+          # MacOS env with FlexiBLAS
+          - name: pylatest_flexiblas
+            os: macos-latest
+            PYTHON_VERSION: "*"
+            PACKAGER: "conda"
+            INSTALL_BLAS: "flexiblas"
+            PLATFORM_SPECIFIC_PACKAGES: "mkl"
+            CC_OUTER_LOOP: "clang"
+            CC_INNER_LOOP: "clang"
+
+          # Linux environments to test that packages that comes with Ubuntu 20.04
+          # are correctly handled.
+          - name: py38_ubuntu_atlas_gcc_gcc
+            os: ubuntu-20.04
+            PYTHON_VERSION: "3.8"
+            PACKAGER: "ubuntu"
+            APT_BLAS: "libatlas3-base libatlas-base-dev"
+            CC_OUTER_LOOP: "gcc"
+            CC_INNER_LOOP: "gcc"
+          - name: py38_ubuntu_openblas_gcc_gcc
+            os: ubuntu-20.04
+            PYTHON_VERSION: "3.8"
+            PACKAGER: "ubuntu"
+            APT_BLAS: "libopenblas-base libopenblas-dev"
+            CC_OUTER_LOOP: "gcc"
+            CC_INNER_LOOP: "gcc"
+
+          # Linux environment with development versions of numpy and scipy
+          - name: pylatest_pip_dev
+            os : ubuntu-latest
+            PACKAGER: "pip-dev"
+            PYTHON_VERSION: "*"
+            CC_OUTER_LOOP: "gcc"
+            CC_INNER_LOOP: "gcc"
+          # Linux + Python 3.9 and homogeneous runtime nesting.
+          - name: py39_conda_openblas_clang_clang
+            os: ubuntu-latest
+            PACKAGER: "conda"
+            PYTHON_VERSION: "3.9"
+            BLAS: "openblas"
+            CC_OUTER_LOOP: "clang-10"
+            CC_INNER_LOOP: "clang-10"
+          # Linux environment with MKL and Clang (known to be unsafe for
+          # threadpoolctl) to only test the warning from multiple OpenMP.
+          - name: pylatest_conda_mkl_clang_gcc
+            os: ubuntu-latest
+            PYTHON_VERSION: "*"
+            PACKAGER: "conda"
+            BLAS: "mkl"
+            CC_OUTER_LOOP: "clang-10"
+            CC_INNER_LOOP: "gcc"
+            TESTS: "libomp_libiomp_warning"
+          # Linux environment with MKL, safe for threadpoolctl.
+          - name: pylatest_conda_mkl_gcc_gcc
+            os: ubuntu-latest
+            PYTHON_VERSION: "*"
+            PACKAGER: "conda"
+            BLAS: "mkl"
+            CC_OUTER_LOOP: "gcc"
+            CC_INNER_LOOP: "gcc"
+            MKL_THREADING_LAYER: "INTEL"
+          # Linux + Python 3.8 with numpy / scipy installed with pip from PyPI
+          # and heterogeneous OpenMP runtimes.
+          - name: py38_pip_openblas_gcc_clang
+            os: ubuntu-latest
+            PACKAGER: "pip"
+            PYTHON_VERSION: "3.8"
+            CC_OUTER_LOOP: "gcc"
+            CC_INNER_LOOP: "clang-10"
+          # Linux environment with numpy from conda-forge channel and openblas-openmp
+          - name: pylatest_conda_forge
+            os: ubuntu-latest
+            PACKAGER: "conda-forge"
+            PYTHON_VERSION: "*"
+            BLAS: "openblas"
+            OPENBLAS_THREADING_LAYER: "openmp"
+            CC_OUTER_LOOP: "gcc"
+            CC_INNER_LOOP: "gcc"
+          # Linux environment with no numpy and heterogeneous OpenMP runtimes.
+          - name: pylatest_conda_nonumpy_gcc_clang
+            os: ubuntu-latest
+            PACKAGER: "conda"
+            PYTHON_VERSION: "*"
+            NO_NUMPY: "true"
+            CC_OUTER_LOOP: "gcc"
+            CC_INNER_LOOP: "clang-10"
+
+          # Linux environments with numpy linked to BLIS
+          - name: pylatest_blis_gcc_clang_openmp
+            os: ubuntu-latest
+            PACKAGER: "conda"
+            PYTHON_VERSION: "*"
+            INSTALL_BLAS: "blis"
+            BLIS_NUM_THREAEDS: "4"
+            CC_OUTER_LOOP: "gcc"
+            CC_INNER_LOOP: "gcc"
+            BLIS_CC: "clang-10"
+            BLIS_ENABLE_THREADING: "openmp"
+          - name: pylatest_blis_clang_gcc_pthreads
+            os: ubuntu-latest
+            PACKAGER: "conda"
+            PYTHON_VERSION: "*"
+            INSTALL_BLAS: "blis"
+            BLIS_NUM_THREADS: "4"
+            CC_OUTER_LOOP: "clang-10"
+            CC_INNER_LOOP: "clang-10"
+            BLIS_CC: "gcc-8"
+            BLIS_ENABLE_THREADING: "pthreads"
+          - name: pylatest_blis_no_threading
+            os: ubuntu-latest
+            PACKAGER: "conda"
+            PYTHON_VERSION: "*"
+            INSTALL_BLAS: "blis"
+            BLIS_NUM_THREADS: "1"
+            CC_OUTER_LOOP: "gcc"
+            CC_INNER_LOOP: "gcc"
+            BLIS_CC: "gcc-8"
+            BLIS_ENABLE_THREADING: "no"
+
+          # Linux env with FlexiBLAS
+          - name: pylatest_flexiblas
+            os: ubuntu-latest
+            PACKAGER: "conda"
+            PYTHON_VERSION: "*"
+            INSTALL_BLAS: "flexiblas"
+            PLATFORM_SPECIFIC_PACKAGES: "mkl"
+            CC_OUTER_LOOP: "gcc"
+            CC_INNER_LOOP: "gcc"
+
+    env: ${{ matrix }}
+
+    runs-on: ${{ matrix.os }}
+
+    defaults:
+      run:
+        # Need to use this shell to get conda working properly.
+        # See https://github.com/marketplace/actions/setup-miniconda#important
+        shell: ${{ matrix.os == 'windows-latest' && 'cmd /C CALL {0}' || 'bash -el {0}' }}
+
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Setup conda
+        uses: conda-incubator/setup-miniconda@v3
+        with:
+          auto-activate-base: true
+          auto-update-conda: true
+          miniforge-version: latest
+
+      - name: Install without custom BLAS
+        if: ${{ matrix.INSTALL_BLAS == '' }}
+        run: |
+          bash -el continuous_integration/install.sh
+
+      - name: Install with BLIS
+        if: ${{ matrix.INSTALL_BLAS == 'blis' }}
+        run: |
+          bash -el continuous_integration/install_with_blis.sh
+
+      - name: Install with FlexiBLAS
+        if: ${{ matrix.INSTALL_BLAS == 'flexiblas' }}
+        run: |
+          bash -el continuous_integration/install_with_flexiblas.sh
+
+      - name: Test library
+        run: |
+          bash -el continuous_integration/runtest.sh
+
+      - name: Upload to Codecov
+        uses: codecov/codecov-action@v5
+        with:
+          files: coverage.xml

From ef776ff2a5a4d0b8f1ffb98c477d460c1d365c20 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 15:17:09 +0100
Subject: [PATCH 02/92] iter

---
 .github/workflows/test.yml | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 97d30f67..c96944b4 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -46,21 +46,21 @@ jobs:
       matrix:
         include:
 
-          - pylatest_conda_forge_mkl:
+          - name: pylatest_conda_forge_mkl:
             os: windows-latest
             PYTHON_VERSION: "*"
             PACKAGER: "conda-forge"
             BLAS: "mkl"
-          - py310_conda_forge_openblas
+          - name: py310_conda_forge_openblas
             os: windows-latest
             PYTHON_VERSION: "3.10"
             PACKAGER: "conda-forge"
             BLAS: "openblas"
-          - py39_conda
+          - name: py39_conda
             os: windows-latest
             PYTHON_VERSION: "3.9"
             PACKAGER: "conda"
-          - py38_pip
+          - name: py38_pip
             os: windows-latest
             PYTHON_VERSION: "3.8"
             PACKAGER: "pip"

From 9f820661498163c1942728cee2c3afe3b5d6652b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 15:18:16 +0100
Subject: [PATCH 03/92] iter

---
 .github/workflows/test.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c96944b4..33fa0068 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -46,7 +46,7 @@ jobs:
       matrix:
         include:
 
-          - name: pylatest_conda_forge_mkl:
+          - name: pylatest_conda_forge_mkl
             os: windows-latest
             PYTHON_VERSION: "*"
             PACKAGER: "conda-forge"

From d4d0b2ec7bd9f4e1a85af439d1e3e9feba24461c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 17:19:52 +0100
Subject: [PATCH 04/92] iter

---
 .github/workflows/test.yml            |   4 -
 continuous_integration/install_env.sh | 114 ++++++++++++++++++++++++++
 2 files changed, 114 insertions(+), 4 deletions(-)
 create mode 100644 continuous_integration/install_env.sh

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 33fa0068..b5fbf9cd 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -182,7 +182,6 @@ jobs:
           # Linux environments with numpy linked to BLIS
           - name: pylatest_blis_gcc_clang_openmp
             os: ubuntu-latest
-            PACKAGER: "conda"
             PYTHON_VERSION: "*"
             INSTALL_BLAS: "blis"
             BLIS_NUM_THREAEDS: "4"
@@ -192,7 +191,6 @@ jobs:
             BLIS_ENABLE_THREADING: "openmp"
           - name: pylatest_blis_clang_gcc_pthreads
             os: ubuntu-latest
-            PACKAGER: "conda"
             PYTHON_VERSION: "*"
             INSTALL_BLAS: "blis"
             BLIS_NUM_THREADS: "4"
@@ -202,7 +200,6 @@ jobs:
             BLIS_ENABLE_THREADING: "pthreads"
           - name: pylatest_blis_no_threading
             os: ubuntu-latest
-            PACKAGER: "conda"
             PYTHON_VERSION: "*"
             INSTALL_BLAS: "blis"
             BLIS_NUM_THREADS: "1"
@@ -214,7 +211,6 @@ jobs:
           # Linux env with FlexiBLAS
           - name: pylatest_flexiblas
             os: ubuntu-latest
-            PACKAGER: "conda"
             PYTHON_VERSION: "*"
             INSTALL_BLAS: "flexiblas"
             PLATFORM_SPECIFIC_PACKAGES: "mkl"
diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
new file mode 100644
index 00000000..f08c6942
--- /dev/null
+++ b/continuous_integration/install_env.sh
@@ -0,0 +1,114 @@
+#!/bin/bash
+
+# License: BSD 3-Clause
+
+set -xe
+
+# Install a recent version of clang and libomp if needed
+# Only applicable on linux jobs
+if [[ "$CC_OUTER_LOOP" == "clang-10" ]] || \
+   [[ "$CC_INNER_LOOP" == "clang-10" ]] || \
+   [[ "$BLIS_CC" == "clang-10" ]]
+then
+    wget https://apt.llvm.org/llvm.sh
+    chmod +x llvm.sh
+    sudo ./llvm.sh 10
+    sudo apt-get install libomp-dev
+fi
+
+# Install gcc 8 to build BLIS
+if [[ "$BLIS_CC" == "gcc-8" ]]; then
+    sudo apt install gcc-8
+fi
+
+make_conda() {
+    CHANNEL="$1"
+    TO_INSTALL="setuptools $2"
+    if [[ "$UNAMESTR" == "Darwin" ]]; then
+        if [[ "$INSTALL_LIBOMP" == "conda-forge" ]]; then
+            # Install an OpenMP-enabled clang/llvm from conda-forge
+            # assumes conda-forge is set on priority channel
+            TO_INSTALL="$TO_INSTALL compilers llvm-openmp"
+
+            export CFLAGS="$CFLAGS -I$CONDA/envs/$VIRTUALENV/include"
+            export LDFLAGS="$LDFLAGS -Wl,-rpath,$CONDA/envs/$VIRTUALENV/lib -L$CONDA/envs/$VIRTUALENV/lib"
+
+        elif [[ "$INSTALL_LIBOMP" == "homebrew" ]]; then
+            # Install a compiler with a working openmp
+            HOMEBREW_NO_AUTO_UPDATE=1 brew install libomp
+
+            # enable OpenMP support for Apple-clang
+            export CC=/usr/bin/clang
+            export CPPFLAGS="$CPPFLAGS -Xpreprocessor -fopenmp"
+            export CFLAGS="$CFLAGS -I/usr/local/opt/libomp/include"
+            export LDFLAGS="$LDFLAGS -Wl,-rpath,/usr/local/opt/libomp/lib -L/usr/local/opt/libomp/lib -lomp"
+        fi
+    fi
+    conda update -n base conda conda-libmamba-solver -q --yes
+    conda config --set solver libmamba
+    conda create -n testenv -q --yes -c $CHANNEL python=$PYTHON_VERSION $TO_INSTALL
+    conda activate testenv
+}
+
+
+if [[ "$PACKAGER" == "conda" ]]; then
+    TO_INSTALL=""
+    if [[ "$NO_NUMPY" != "true" ]]; then
+        TO_INSTALL="$TO_INSTALL numpy scipy blas[build=$BLAS]"
+    fi
+	make_conda "default" $TO_INSTALL
+
+elif [[ "$PACKAGER" == "conda-forge" ]]; then
+    TO_INSTALL="numpy scipy blas[build=$BLAS]"
+    if [[ "$BLAS" == "openblas" && "$OPENBLAS_THREADING_LAYER" == "openmp" ]]; then
+        TO_INSTALL="$TO_INSTALL libopenblas=*=*openmp*"
+    fi
+    make_conda "conda-forge" $TO_INSTALL
+
+elif [[ "$PACKAGER" == "pip" ]]; then
+    # Use conda to build an empty python env and then use pip to install
+    # numpy and scipy
+    TO_INSTALL=""
+    make_conda "conda-forge" $TO_INSTALL
+    if [[ "$NO_NUMPY" != "true" ]]; then
+        pip install numpy scipy
+    fi
+
+elif [[ "$PACKAGER" == "pip-dev" ]]; then
+    # Use conda to build an empty python env and then use pip to install
+    # numpy and scipy dev versions
+    make_conda "conda-forge" ""
+
+    dev_anaconda_url=https://pypi.anaconda.org/scientific-python-nightly-wheels/simple
+    pip install --pre --upgrade --timeout=60 --extra-index $dev_anaconda_url numpy scipy
+
+elif [[ "$PACKAGER" == "ubuntu" ]]; then
+    # Remove the ubuntu toolchain PPA that seems to be invalid:
+    # https://github.com/scikit-learn/scikit-learn/pull/13934
+    sudo add-apt-repository --remove ppa:ubuntu-toolchain-r/test
+    sudo apt-get update
+    sudo apt-get install python3-scipy python3-virtualenv $APT_BLAS
+    python3 -m virtualenv --system-site-packages --python=python3 $VIRTUALENV
+    source $VIRTUALENV/bin/activate
+
+elif [[ "$INSTALL_BLAS" == "BLIS" ]]; then
+    TO_INSTALL="cython meson-python pkg-config"
+    make_conda "conda-forge" $TO_INSTALL
+    bash ./continuous_integration/install_blis.sh
+
+elif [[ "$INSTALL_BLAS" == "FlexiBLAS" ]]; then
+    TO_INSTALL="cython openblas $PLATFORM_SPECIFIC_PACKAGES meson-python pkg-config compilers"
+    make_conda "conda-forge" $TO_INSTALL
+    bash ./continuous_integration/install_flexiblas.sh
+
+fi
+
+
+python -m pip install -q -r dev-requirements.txt
+bash ./continuous_integration/build_test_ext.sh
+
+python --version
+python -c "import numpy; print(f'numpy {numpy.__version__}')" || echo "no numpy"
+python -c "import scipy; print(f'scipy {scipy.__version__}')" || echo "no scipy"
+
+python -m flit install --symlink

From 7bf6195fbc49a528d5d7dfb1d778fe622a1f5ec3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 17:24:30 +0100
Subject: [PATCH 05/92] iter

---
 continuous_integration/install_env.sh | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index f08c6942..d431030e 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -46,7 +46,8 @@ make_conda() {
     fi
     conda update -n base conda conda-libmamba-solver -q --yes
     conda config --set solver libmamba
-    conda create -n testenv -q --yes -c $CHANNEL python=$PYTHON_VERSION $TO_INSTALL
+    conda config --add channels $CHANNEL
+    conda create -n testenv -q --yes python=$PYTHON_VERSION $TO_INSTALL
     conda activate testenv
 }
 
@@ -88,8 +89,8 @@ elif [[ "$PACKAGER" == "ubuntu" ]]; then
     sudo add-apt-repository --remove ppa:ubuntu-toolchain-r/test
     sudo apt-get update
     sudo apt-get install python3-scipy python3-virtualenv $APT_BLAS
-    python3 -m virtualenv --system-site-packages --python=python3 $VIRTUALENV
-    source $VIRTUALENV/bin/activate
+    python3 -m virtualenv --system-site-packages --python=python3 testenv
+    source testenv/bin/activate
 
 elif [[ "$INSTALL_BLAS" == "BLIS" ]]; then
     TO_INSTALL="cython meson-python pkg-config"

From 608460372581b5d6b622f0c30184a9bd77213fd2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 17:29:14 +0100
Subject: [PATCH 06/92] iter

---
 continuous_integration/install_with_blis.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/continuous_integration/install_with_blis.sh b/continuous_integration/install_with_blis.sh
index 15ef3a5e..06dfc897 100755
--- a/continuous_integration/install_with_blis.sh
+++ b/continuous_integration/install_with_blis.sh
@@ -9,7 +9,7 @@ popd
 # Install a recent version of clang and libomp
 wget https://apt.llvm.org/llvm.sh
 chmod +x llvm.sh
-sudo ./llvm.sh 10
+sudo ./llvm.sh 17
 sudo apt-get install libomp-dev
 
 # create conda env

From 9f45a6e4ed74b2da0d2c74fdb1c916b551c82484 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 17:30:49 +0100
Subject: [PATCH 07/92] iter

---
 continuous_integration/install_env.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index d431030e..9731f770 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -12,7 +12,7 @@ if [[ "$CC_OUTER_LOOP" == "clang-10" ]] || \
 then
     wget https://apt.llvm.org/llvm.sh
     chmod +x llvm.sh
-    sudo ./llvm.sh 10
+    sudo ./llvm.sh 17
     sudo apt-get install libomp-dev
 fi
 

From da303aed0e404befbb20e7c20989748c05723f11 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 17:34:06 +0100
Subject: [PATCH 08/92] iter

---
 .github/workflows/test.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b5fbf9cd..f2010f1c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -242,7 +242,7 @@ jobs:
       - name: Install without custom BLAS
         if: ${{ matrix.INSTALL_BLAS == '' }}
         run: |
-          bash -el continuous_integration/install.sh
+          bash -el continuous_integration/install_env.sh
 
       - name: Install with BLIS
         if: ${{ matrix.INSTALL_BLAS == 'blis' }}

From 28c92ca6a2eb9e12ea630bcebea97b60d5f2321f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 17:36:16 +0100
Subject: [PATCH 09/92] iter

---
 .github/workflows/test.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f2010f1c..e27190e8 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -254,9 +254,9 @@ jobs:
         run: |
           bash -el continuous_integration/install_with_flexiblas.sh
 
-      - name: Test library
-        run: |
-          bash -el continuous_integration/runtest.sh
+      #- name: Test library
+      #  run: |
+      #    bash -el continuous_integration/runtest.sh
 
       - name: Upload to Codecov
         uses: codecov/codecov-action@v5

From d43b4e145fa1e92079c4f78cfb622cb2fcd9f98b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 17:44:25 +0100
Subject: [PATCH 10/92] iter

---
 .github/workflows/test.yml            | 16 ++++++++--------
 continuous_integration/install_env.sh |  6 +++---
 2 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index e27190e8..f1c966a0 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -132,8 +132,8 @@ jobs:
             PACKAGER: "conda"
             PYTHON_VERSION: "3.9"
             BLAS: "openblas"
-            CC_OUTER_LOOP: "clang-10"
-            CC_INNER_LOOP: "clang-10"
+            CC_OUTER_LOOP: "clang-17"
+            CC_INNER_LOOP: "clang-17"
           # Linux environment with MKL and Clang (known to be unsafe for
           # threadpoolctl) to only test the warning from multiple OpenMP.
           - name: pylatest_conda_mkl_clang_gcc
@@ -141,7 +141,7 @@ jobs:
             PYTHON_VERSION: "*"
             PACKAGER: "conda"
             BLAS: "mkl"
-            CC_OUTER_LOOP: "clang-10"
+            CC_OUTER_LOOP: "clang-17"
             CC_INNER_LOOP: "gcc"
             TESTS: "libomp_libiomp_warning"
           # Linux environment with MKL, safe for threadpoolctl.
@@ -160,7 +160,7 @@ jobs:
             PACKAGER: "pip"
             PYTHON_VERSION: "3.8"
             CC_OUTER_LOOP: "gcc"
-            CC_INNER_LOOP: "clang-10"
+            CC_INNER_LOOP: "clang-17"
           # Linux environment with numpy from conda-forge channel and openblas-openmp
           - name: pylatest_conda_forge
             os: ubuntu-latest
@@ -177,7 +177,7 @@ jobs:
             PYTHON_VERSION: "*"
             NO_NUMPY: "true"
             CC_OUTER_LOOP: "gcc"
-            CC_INNER_LOOP: "clang-10"
+            CC_INNER_LOOP: "clang-17"
 
           # Linux environments with numpy linked to BLIS
           - name: pylatest_blis_gcc_clang_openmp
@@ -187,15 +187,15 @@ jobs:
             BLIS_NUM_THREAEDS: "4"
             CC_OUTER_LOOP: "gcc"
             CC_INNER_LOOP: "gcc"
-            BLIS_CC: "clang-10"
+            BLIS_CC: "clang-17"
             BLIS_ENABLE_THREADING: "openmp"
           - name: pylatest_blis_clang_gcc_pthreads
             os: ubuntu-latest
             PYTHON_VERSION: "*"
             INSTALL_BLAS: "blis"
             BLIS_NUM_THREADS: "4"
-            CC_OUTER_LOOP: "clang-10"
-            CC_INNER_LOOP: "clang-10"
+            CC_OUTER_LOOP: "clang-17"
+            CC_INNER_LOOP: "clang-17"
             BLIS_CC: "gcc-8"
             BLIS_ENABLE_THREADING: "pthreads"
           - name: pylatest_blis_no_threading
diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index 9731f770..0781fd6a 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -6,9 +6,9 @@ set -xe
 
 # Install a recent version of clang and libomp if needed
 # Only applicable on linux jobs
-if [[ "$CC_OUTER_LOOP" == "clang-10" ]] || \
-   [[ "$CC_INNER_LOOP" == "clang-10" ]] || \
-   [[ "$BLIS_CC" == "clang-10" ]]
+if [[ "$CC_OUTER_LOOP" == "clang-17" ]] || \
+   [[ "$CC_INNER_LOOP" == "clang-17" ]] || \
+   [[ "$BLIS_CC" == "clang-17" ]]
 then
     wget https://apt.llvm.org/llvm.sh
     chmod +x llvm.sh

From 60de1502c84876ddb23ab5bedc6956258605b749 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 17:54:56 +0100
Subject: [PATCH 11/92] iter

---
 continuous_integration/build_test_ext.sh | 2 +-
 continuous_integration/install_env.sh    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/continuous_integration/build_test_ext.sh b/continuous_integration/build_test_ext.sh
index bd0e1ae7..235bb235 100755
--- a/continuous_integration/build_test_ext.sh
+++ b/continuous_integration/build_test_ext.sh
@@ -12,7 +12,7 @@ fi
 
 pushd tests/_openmp_test_helper
 rm -rf *.c *.so *.dylib build/
-python setup_inner.py build_ext -i
+python setup_inner.py --verbose build_ext -i
 python setup_outer.py build_ext -i
 
 # skip scipy required extension if no numpy
diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index 0781fd6a..f143f6bd 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -57,7 +57,7 @@ if [[ "$PACKAGER" == "conda" ]]; then
     if [[ "$NO_NUMPY" != "true" ]]; then
         TO_INSTALL="$TO_INSTALL numpy scipy blas[build=$BLAS]"
     fi
-	make_conda "default" $TO_INSTALL
+	make_conda "defaults" $TO_INSTALL
 
 elif [[ "$PACKAGER" == "conda-forge" ]]; then
     TO_INSTALL="numpy scipy blas[build=$BLAS]"

From 4fb9ccf4876c0d3adc2d54b8619a45d09503a0f9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 18:09:30 +0100
Subject: [PATCH 12/92] iter

---
 continuous_integration/build_test_ext.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/continuous_integration/build_test_ext.sh b/continuous_integration/build_test_ext.sh
index 235bb235..74eb03a3 100755
--- a/continuous_integration/build_test_ext.sh
+++ b/continuous_integration/build_test_ext.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -xe
 
 if [[ "$OSTYPE" == "linux-gnu"* ]]; then
     pushd tests/_pyMylib

From 452309803f013b682ab8073158979671d5df02df Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 18:17:38 +0100
Subject: [PATCH 13/92] iter

---
 continuous_integration/build_test_ext.sh | 2 +-
 tests/_openmp_test_helper/setup_inner.py | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/continuous_integration/build_test_ext.sh b/continuous_integration/build_test_ext.sh
index 74eb03a3..4bc27696 100755
--- a/continuous_integration/build_test_ext.sh
+++ b/continuous_integration/build_test_ext.sh
@@ -12,7 +12,7 @@ fi
 
 pushd tests/_openmp_test_helper
 rm -rf *.c *.so *.dylib build/
-python setup_inner.py --verbose build_ext -i
+python setup_inner.py build_ext -i
 python setup_outer.py build_ext -i
 
 # skip scipy required extension if no numpy
diff --git a/tests/_openmp_test_helper/setup_inner.py b/tests/_openmp_test_helper/setup_inner.py
index 4e045c02..d7fbf667 100644
--- a/tests/_openmp_test_helper/setup_inner.py
+++ b/tests/_openmp_test_helper/setup_inner.py
@@ -12,6 +12,13 @@
     # with different compilers and therefore different OpenMP runtimes.
     inner_loop_cc_var = set_cc_variables("CC_INNER_LOOP")
     openmp_flag = get_openmp_flag()
+    print()
+    print("#################")
+    print("#################")
+    print(openmp_flag)
+    print("#################")
+    print("#################")
+    print()
 
     ext_modules = [
         Extension(

From 9ac58dfbd5534b44ccdb33dba52c18f330d1b9af Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 18:21:31 +0100
Subject: [PATCH 14/92] ???

---
 tests/_openmp_test_helper/setup_inner.py | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/tests/_openmp_test_helper/setup_inner.py b/tests/_openmp_test_helper/setup_inner.py
index d7fbf667..0264a7e5 100644
--- a/tests/_openmp_test_helper/setup_inner.py
+++ b/tests/_openmp_test_helper/setup_inner.py
@@ -12,13 +12,6 @@
     # with different compilers and therefore different OpenMP runtimes.
     inner_loop_cc_var = set_cc_variables("CC_INNER_LOOP")
     openmp_flag = get_openmp_flag()
-    print()
-    print("#################")
-    print("#################")
-    print(openmp_flag)
-    print("#################")
-    print("#################")
-    print()
 
     ext_modules = [
         Extension(
@@ -40,6 +33,7 @@
             },
             compile_time_env={"CC_INNER_LOOP": inner_loop_cc_var or "unknown"},
         ),
+        verbose=True,
     )
 
 finally:

From bfb03a1b216cf2bb95e73af1235a10fb5c8690cc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 18:27:32 +0100
Subject: [PATCH 15/92] iter

---
 tests/_openmp_test_helper/setup_inner.py | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/tests/_openmp_test_helper/setup_inner.py b/tests/_openmp_test_helper/setup_inner.py
index 0264a7e5..547e257a 100644
--- a/tests/_openmp_test_helper/setup_inner.py
+++ b/tests/_openmp_test_helper/setup_inner.py
@@ -1,7 +1,6 @@
 import os
-from distutils.core import setup
+from setuptools import Extension, setup
 from Cython.Build import cythonize
-from distutils.extension import Extension
 
 from build_utils import set_cc_variables
 from build_utils import get_openmp_flag
@@ -33,7 +32,6 @@
             },
             compile_time_env={"CC_INNER_LOOP": inner_loop_cc_var or "unknown"},
         ),
-        verbose=True,
     )
 
 finally:

From baa06a3d976f41f5cc137aa934a7ccd1475e2339 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 18:35:25 +0100
Subject: [PATCH 16/92] iter

---
 tests/_openmp_test_helper/setup_inner.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/_openmp_test_helper/setup_inner.py b/tests/_openmp_test_helper/setup_inner.py
index 547e257a..6b73864d 100644
--- a/tests/_openmp_test_helper/setup_inner.py
+++ b/tests/_openmp_test_helper/setup_inner.py
@@ -12,6 +12,8 @@
     inner_loop_cc_var = set_cc_variables("CC_INNER_LOOP")
     openmp_flag = get_openmp_flag()
 
+    print(os.environ.get("CC"))
+
     ext_modules = [
         Extension(
             "openmp_helpers_inner",

From ea4a4d6b776d289365699b85d4e4f342a4621aa3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 18:58:27 +0100
Subject: [PATCH 17/92] iter

---
 continuous_integration/install_env.sh    | 5 +++++
 tests/_openmp_test_helper/setup_inner.py | 2 --
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index f143f6bd..7388e8be 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -4,6 +4,9 @@
 
 set -xe
 
+UNAMESTR=`uname`
+
+
 # Install a recent version of clang and libomp if needed
 # Only applicable on linux jobs
 if [[ "$CC_OUTER_LOOP" == "clang-17" ]] || \
@@ -14,6 +17,8 @@ then
     chmod +x llvm.sh
     sudo ./llvm.sh 17
     sudo apt-get install libomp-dev
+
+    sudo find / -name "omp.h"
 fi
 
 # Install gcc 8 to build BLIS
diff --git a/tests/_openmp_test_helper/setup_inner.py b/tests/_openmp_test_helper/setup_inner.py
index 6b73864d..547e257a 100644
--- a/tests/_openmp_test_helper/setup_inner.py
+++ b/tests/_openmp_test_helper/setup_inner.py
@@ -12,8 +12,6 @@
     inner_loop_cc_var = set_cc_variables("CC_INNER_LOOP")
     openmp_flag = get_openmp_flag()
 
-    print(os.environ.get("CC"))
-
     ext_modules = [
         Extension(
             "openmp_helpers_inner",

From 8dcfa62fbc2db6d4d43553be5d68333fa8be20c8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 19:09:19 +0100
Subject: [PATCH 18/92] iter

---
 .github/workflows/test.yml            | 16 ++++++++--------
 continuous_integration/install_env.sh |  8 ++++----
 2 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f1c966a0..16a1e3b7 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -132,8 +132,8 @@ jobs:
             PACKAGER: "conda"
             PYTHON_VERSION: "3.9"
             BLAS: "openblas"
-            CC_OUTER_LOOP: "clang-17"
-            CC_INNER_LOOP: "clang-17"
+            CC_OUTER_LOOP: "clang-18"
+            CC_INNER_LOOP: "clang-18"
           # Linux environment with MKL and Clang (known to be unsafe for
           # threadpoolctl) to only test the warning from multiple OpenMP.
           - name: pylatest_conda_mkl_clang_gcc
@@ -141,7 +141,7 @@ jobs:
             PYTHON_VERSION: "*"
             PACKAGER: "conda"
             BLAS: "mkl"
-            CC_OUTER_LOOP: "clang-17"
+            CC_OUTER_LOOP: "clang-18"
             CC_INNER_LOOP: "gcc"
             TESTS: "libomp_libiomp_warning"
           # Linux environment with MKL, safe for threadpoolctl.
@@ -160,7 +160,7 @@ jobs:
             PACKAGER: "pip"
             PYTHON_VERSION: "3.8"
             CC_OUTER_LOOP: "gcc"
-            CC_INNER_LOOP: "clang-17"
+            CC_INNER_LOOP: "clang-18"
           # Linux environment with numpy from conda-forge channel and openblas-openmp
           - name: pylatest_conda_forge
             os: ubuntu-latest
@@ -177,7 +177,7 @@ jobs:
             PYTHON_VERSION: "*"
             NO_NUMPY: "true"
             CC_OUTER_LOOP: "gcc"
-            CC_INNER_LOOP: "clang-17"
+            CC_INNER_LOOP: "clang-18"
 
           # Linux environments with numpy linked to BLIS
           - name: pylatest_blis_gcc_clang_openmp
@@ -187,15 +187,15 @@ jobs:
             BLIS_NUM_THREAEDS: "4"
             CC_OUTER_LOOP: "gcc"
             CC_INNER_LOOP: "gcc"
-            BLIS_CC: "clang-17"
+            BLIS_CC: "clang-18"
             BLIS_ENABLE_THREADING: "openmp"
           - name: pylatest_blis_clang_gcc_pthreads
             os: ubuntu-latest
             PYTHON_VERSION: "*"
             INSTALL_BLAS: "blis"
             BLIS_NUM_THREADS: "4"
-            CC_OUTER_LOOP: "clang-17"
-            CC_INNER_LOOP: "clang-17"
+            CC_OUTER_LOOP: "clang-18"
+            CC_INNER_LOOP: "clang-18"
             BLIS_CC: "gcc-8"
             BLIS_ENABLE_THREADING: "pthreads"
           - name: pylatest_blis_no_threading
diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index 7388e8be..97b9ed9c 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -9,13 +9,13 @@ UNAMESTR=`uname`
 
 # Install a recent version of clang and libomp if needed
 # Only applicable on linux jobs
-if [[ "$CC_OUTER_LOOP" == "clang-17" ]] || \
-   [[ "$CC_INNER_LOOP" == "clang-17" ]] || \
-   [[ "$BLIS_CC" == "clang-17" ]]
+if [[ "$CC_OUTER_LOOP" == "clang-18" ]] || \
+   [[ "$CC_INNER_LOOP" == "clang-18" ]] || \
+   [[ "$BLIS_CC" == "clang-18" ]]
 then
     wget https://apt.llvm.org/llvm.sh
     chmod +x llvm.sh
-    sudo ./llvm.sh 17
+    sudo ./llvm.sh 18
     sudo apt-get install libomp-dev
 
     sudo find / -name "omp.h"

From bf1c81be15dce970e39c29dfa19897346cd9bd0c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 19:24:18 +0100
Subject: [PATCH 19/92] iter

---
 continuous_integration/install_env.sh | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index 97b9ed9c..59099261 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -62,20 +62,20 @@ if [[ "$PACKAGER" == "conda" ]]; then
     if [[ "$NO_NUMPY" != "true" ]]; then
         TO_INSTALL="$TO_INSTALL numpy scipy blas[build=$BLAS]"
     fi
-	make_conda "defaults" $TO_INSTALL
+	make_conda "defaults" "$TO_INSTALL"
 
 elif [[ "$PACKAGER" == "conda-forge" ]]; then
     TO_INSTALL="numpy scipy blas[build=$BLAS]"
     if [[ "$BLAS" == "openblas" && "$OPENBLAS_THREADING_LAYER" == "openmp" ]]; then
         TO_INSTALL="$TO_INSTALL libopenblas=*=*openmp*"
     fi
-    make_conda "conda-forge" $TO_INSTALL
+    make_conda "conda-forge" "$TO_INSTALL"
 
 elif [[ "$PACKAGER" == "pip" ]]; then
     # Use conda to build an empty python env and then use pip to install
     # numpy and scipy
     TO_INSTALL=""
-    make_conda "conda-forge" $TO_INSTALL
+    make_conda "conda-forge" "$TO_INSTALL"
     if [[ "$NO_NUMPY" != "true" ]]; then
         pip install numpy scipy
     fi
@@ -99,12 +99,12 @@ elif [[ "$PACKAGER" == "ubuntu" ]]; then
 
 elif [[ "$INSTALL_BLAS" == "BLIS" ]]; then
     TO_INSTALL="cython meson-python pkg-config"
-    make_conda "conda-forge" $TO_INSTALL
+    make_conda "conda-forge" "$TO_INSTALL"
     bash ./continuous_integration/install_blis.sh
 
 elif [[ "$INSTALL_BLAS" == "FlexiBLAS" ]]; then
     TO_INSTALL="cython openblas $PLATFORM_SPECIFIC_PACKAGES meson-python pkg-config compilers"
-    make_conda "conda-forge" $TO_INSTALL
+    make_conda "conda-forge" "$TO_INSTALL"
     bash ./continuous_integration/install_flexiblas.sh
 
 fi

From eb68c45127af26e7b6dd44898e5af30174741ede Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 19:42:11 +0100
Subject: [PATCH 20/92] iter

---
 continuous_integration/install_env.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index 59099261..96ff946a 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -110,7 +110,7 @@ elif [[ "$INSTALL_BLAS" == "FlexiBLAS" ]]; then
 fi
 
 
-python -m pip install -q -r dev-requirements.txt
+python -m pip install -v -q -r dev-requirements.txt
 bash ./continuous_integration/build_test_ext.sh
 
 python --version

From 4e561d89cdc0dc55f4679d01481e8a4cac7d0a72 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 19:44:29 +0100
Subject: [PATCH 21/92] iter

---
 continuous_integration/install_env.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index 96ff946a..a41af6c6 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -52,7 +52,7 @@ make_conda() {
     conda update -n base conda conda-libmamba-solver -q --yes
     conda config --set solver libmamba
     conda config --add channels $CHANNEL
-    conda create -n testenv -q --yes python=$PYTHON_VERSION $TO_INSTALL
+    conda create -n testenv -q --yes python=$PYTHON_VERSION python-gil $TO_INSTALL
     conda activate testenv
 }
 

From f1178a5cc0a47f502d06e84bf07d1303b35b457b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 21:15:01 +0100
Subject: [PATCH 22/92] iter

---
 continuous_integration/install_env.sh | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index a41af6c6..f6cbeab5 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -60,7 +60,10 @@ make_conda() {
 if [[ "$PACKAGER" == "conda" ]]; then
     TO_INSTALL=""
     if [[ "$NO_NUMPY" != "true" ]]; then
-        TO_INSTALL="$TO_INSTALL numpy scipy blas[build=$BLAS]"
+        TO_INSTALL="$TO_INSTALL numpy scipy"
+        if [[ -n "$BLAS" ]]; then
+            TO_INSTALL="$TO_INSTALL blas[build=$BLAS]"
+        fi
     fi
 	make_conda "defaults" "$TO_INSTALL"
 
@@ -74,8 +77,7 @@ elif [[ "$PACKAGER" == "conda-forge" ]]; then
 elif [[ "$PACKAGER" == "pip" ]]; then
     # Use conda to build an empty python env and then use pip to install
     # numpy and scipy
-    TO_INSTALL=""
-    make_conda "conda-forge" "$TO_INSTALL"
+    make_conda "conda-forge" ""
     if [[ "$NO_NUMPY" != "true" ]]; then
         pip install numpy scipy
     fi

From da68ca947e5916c20c71c8a81061a983241fe5c7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 21:26:06 +0100
Subject: [PATCH 23/92] iter

---
 continuous_integration/install_env.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index f6cbeab5..3d6486ba 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -49,6 +49,12 @@ make_conda() {
             export LDFLAGS="$LDFLAGS -Wl,-rpath,/usr/local/opt/libomp/lib -L/usr/local/opt/libomp/lib -lomp"
         fi
     fi
+
+    if [[ "$PYTHON_VERSION" == "*" ]]; then
+        # Avoid installing free-threaded python
+        TO_INSTALL="$TO_INSTALL python-gil"
+    fi
+
     conda update -n base conda conda-libmamba-solver -q --yes
     conda config --set solver libmamba
     conda config --add channels $CHANNEL

From 4172137632972aaa370227d9727db8d0f7cecac7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 22:30:17 +0100
Subject: [PATCH 24/92] iter

---
 continuous_integration/install_env.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index 3d6486ba..72ebdb2a 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -58,7 +58,7 @@ make_conda() {
     conda update -n base conda conda-libmamba-solver -q --yes
     conda config --set solver libmamba
     conda config --add channels $CHANNEL
-    conda create -n testenv -q --yes python=$PYTHON_VERSION python-gil $TO_INSTALL
+    conda create -n testenv -q --yes python=$PYTHON_VERSION $TO_INSTALL
     conda activate testenv
 }
 

From 2c64983a4bd42c7a8b59703a860b49aebb2c60be Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 22:44:28 +0100
Subject: [PATCH 25/92] iter

---
 continuous_integration/install_env.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index 72ebdb2a..3186bd7a 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -35,8 +35,8 @@ make_conda() {
             # assumes conda-forge is set on priority channel
             TO_INSTALL="$TO_INSTALL compilers llvm-openmp"
 
-            export CFLAGS="$CFLAGS -I$CONDA/envs/$VIRTUALENV/include"
-            export LDFLAGS="$LDFLAGS -Wl,-rpath,$CONDA/envs/$VIRTUALENV/lib -L$CONDA/envs/$VIRTUALENV/lib"
+            export CFLAGS="$CFLAGS -I$CONDA/envs/testenv/include"
+            export LDFLAGS="$LDFLAGS -Wl,-rpath,$CONDA/envs/testenv/lib -L$CONDA/envs/testenv/lib"
 
         elif [[ "$INSTALL_LIBOMP" == "homebrew" ]]; then
             # Install a compiler with a working openmp

From d17258bec3bd478ed74cf111fbe108d4366d9158 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 22:54:27 +0100
Subject: [PATCH 26/92] iter

---
 continuous_integration/install_env.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index 3186bd7a..a85fc31d 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -55,9 +55,9 @@ make_conda() {
         TO_INSTALL="$TO_INSTALL python-gil"
     fi
 
+    conda config --add channels $CHANNEL
     conda update -n base conda conda-libmamba-solver -q --yes
     conda config --set solver libmamba
-    conda config --add channels $CHANNEL
     conda create -n testenv -q --yes python=$PYTHON_VERSION $TO_INSTALL
     conda activate testenv
 }

From 706782176d36856f8b895594b7cdd4e99aa710c1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 23:31:56 +0100
Subject: [PATCH 27/92] iter

---
 continuous_integration/install_env.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index a85fc31d..19961fe6 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -35,8 +35,8 @@ make_conda() {
             # assumes conda-forge is set on priority channel
             TO_INSTALL="$TO_INSTALL compilers llvm-openmp"
 
-            export CFLAGS="$CFLAGS -I$CONDA/envs/testenv/include"
-            export LDFLAGS="$LDFLAGS -Wl,-rpath,$CONDA/envs/testenv/lib -L$CONDA/envs/testenv/lib"
+            # export CFLAGS="$CFLAGS -I$CONDA/envs/testenv/include"
+            # export LDFLAGS="$LDFLAGS -Wl,-rpath,$CONDA/envs/testenv/lib -L$CONDA/envs/testenv/lib"
 
         elif [[ "$INSTALL_LIBOMP" == "homebrew" ]]; then
             # Install a compiler with a working openmp

From f76bec97c7eb4d6752814eea0c04efe6c02005bd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 23:37:04 +0100
Subject: [PATCH 28/92] iter

---
 continuous_integration/install_env.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index 19961fe6..f6cd9804 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -60,6 +60,8 @@ make_conda() {
     conda config --set solver libmamba
     conda create -n testenv -q --yes python=$PYTHON_VERSION $TO_INSTALL
     conda activate testenv
+
+    which clang
 }
 
 

From 0c2f93e83cace628dc15f6cde4b97fc0624bed72 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 23:45:30 +0100
Subject: [PATCH 29/92] iter

---
 .github/workflows/test.yml                            | 4 ++--
 continuous_integration/install_env.sh                 | 4 ++--
 tests/_openmp_test_helper/setup_nested_prange_blas.py | 3 +--
 tests/_openmp_test_helper/setup_outer.py              | 3 +--
 4 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 16a1e3b7..864c0a9a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -80,8 +80,8 @@ jobs:
             PYTHON_VERSION: "*"
             PACKAGER: "conda-forge"
             BLAS: "openblas"
-            CC_OUTER_LOOP: "clang"
-            CC_INNER_LOOP: "clang"
+            # CC_OUTER_LOOP: "clang"
+            # CC_INNER_LOOP: "clang"
             INSTALL_LIBOMP: "conda-forge"
           # MacOS env with MKL and with OpenMP installed through conda-forge compilers
           - name: pylatest_conda_forge_clang
diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index f6cd9804..3a0387be 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -35,8 +35,8 @@ make_conda() {
             # assumes conda-forge is set on priority channel
             TO_INSTALL="$TO_INSTALL compilers llvm-openmp"
 
-            # export CFLAGS="$CFLAGS -I$CONDA/envs/testenv/include"
-            # export LDFLAGS="$LDFLAGS -Wl,-rpath,$CONDA/envs/testenv/lib -L$CONDA/envs/testenv/lib"
+            export CFLAGS="$CFLAGS -I$CONDA/envs/testenv/include"
+            export LDFLAGS="$LDFLAGS -Wl,-rpath,$CONDA/envs/testenv/lib -L$CONDA/envs/testenv/lib"
 
         elif [[ "$INSTALL_LIBOMP" == "homebrew" ]]; then
             # Install a compiler with a working openmp
diff --git a/tests/_openmp_test_helper/setup_nested_prange_blas.py b/tests/_openmp_test_helper/setup_nested_prange_blas.py
index 809f981c..dcb39ca6 100644
--- a/tests/_openmp_test_helper/setup_nested_prange_blas.py
+++ b/tests/_openmp_test_helper/setup_nested_prange_blas.py
@@ -1,7 +1,6 @@
 import os
-from distutils.core import setup
+from setuptools import Extension, setup
 from Cython.Build import cythonize
-from distutils.extension import Extension
 
 from build_utils import set_cc_variables
 from build_utils import get_openmp_flag
diff --git a/tests/_openmp_test_helper/setup_outer.py b/tests/_openmp_test_helper/setup_outer.py
index 98a84d58..dee39b1a 100644
--- a/tests/_openmp_test_helper/setup_outer.py
+++ b/tests/_openmp_test_helper/setup_outer.py
@@ -1,7 +1,6 @@
 import os
-from distutils.core import setup
+from setuptools import Extension, setup
 from Cython.Build import cythonize
-from distutils.extension import Extension
 
 from build_utils import set_cc_variables
 from build_utils import get_openmp_flag

From 31c2bbbd0f51ef6b819210c501cf5a6f15c6b97d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Thu, 6 Mar 2025 23:53:22 +0100
Subject: [PATCH 30/92] iter

---
 .github/workflows/test.yml            | 4 ----
 continuous_integration/install_env.sh | 4 ++--
 2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 864c0a9a..a95f809d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -80,8 +80,6 @@ jobs:
             PYTHON_VERSION: "*"
             PACKAGER: "conda-forge"
             BLAS: "openblas"
-            # CC_OUTER_LOOP: "clang"
-            # CC_INNER_LOOP: "clang"
             INSTALL_LIBOMP: "conda-forge"
           # MacOS env with MKL and with OpenMP installed through conda-forge compilers
           - name: pylatest_conda_forge_clang
@@ -89,8 +87,6 @@ jobs:
             PYTHON_VERSION: "*"
             PACKAGER: "conda-forge"
             BLAS: "mkl"
-            CC_OUTER_LOOP: "clang"
-            CC_INNER_LOOP: "clang"
             INSTALL_LIBOMP: "conda-forge"
           # MacOS env with FlexiBLAS
           - name: pylatest_flexiblas
diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index 3a0387be..f6cd9804 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -35,8 +35,8 @@ make_conda() {
             # assumes conda-forge is set on priority channel
             TO_INSTALL="$TO_INSTALL compilers llvm-openmp"
 
-            export CFLAGS="$CFLAGS -I$CONDA/envs/testenv/include"
-            export LDFLAGS="$LDFLAGS -Wl,-rpath,$CONDA/envs/testenv/lib -L$CONDA/envs/testenv/lib"
+            # export CFLAGS="$CFLAGS -I$CONDA/envs/testenv/include"
+            # export LDFLAGS="$LDFLAGS -Wl,-rpath,$CONDA/envs/testenv/lib -L$CONDA/envs/testenv/lib"
 
         elif [[ "$INSTALL_LIBOMP" == "homebrew" ]]; then
             # Install a compiler with a working openmp

From e9b882fed3f2d6b49e26f17d2407764311631fa3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 00:05:29 +0100
Subject: [PATCH 31/92] iter

---
 continuous_integration/install_env.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index f6cd9804..a4180658 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -70,13 +70,13 @@ if [[ "$PACKAGER" == "conda" ]]; then
     if [[ "$NO_NUMPY" != "true" ]]; then
         TO_INSTALL="$TO_INSTALL numpy scipy"
         if [[ -n "$BLAS" ]]; then
-            TO_INSTALL="$TO_INSTALL blas[build=$BLAS]"
+            TO_INSTALL="$TO_INSTALL blas=*=$BLAS"
         fi
     fi
 	make_conda "defaults" "$TO_INSTALL"
 
 elif [[ "$PACKAGER" == "conda-forge" ]]; then
-    TO_INSTALL="numpy scipy blas[build=$BLAS]"
+    TO_INSTALL="numpy scipy blas=*=$BLAS"
     if [[ "$BLAS" == "openblas" && "$OPENBLAS_THREADING_LAYER" == "openmp" ]]; then
         TO_INSTALL="$TO_INSTALL libopenblas=*=*openmp*"
     fi

From c0adc8610074706df08d5f9e8f048566e51e41d2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 00:26:10 +0100
Subject: [PATCH 32/92] iter

---
 continuous_integration/install_env.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index a4180658..802fb90f 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -58,6 +58,9 @@ make_conda() {
     conda config --add channels $CHANNEL
     conda update -n base conda conda-libmamba-solver -q --yes
     conda config --set solver libmamba
+
+    conda search blas --channel conda-forge
+
     conda create -n testenv -q --yes python=$PYTHON_VERSION $TO_INSTALL
     conda activate testenv
 

From 844e36a8585dbe22968db4b557f19ad433c6cd9a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 00:46:12 +0100
Subject: [PATCH 33/92] iter

---
 .github/workflows/test.yml            | 7 -------
 continuous_integration/install_env.sh | 5 ++---
 2 files changed, 2 insertions(+), 10 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a95f809d..cda9ba1b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -81,13 +81,6 @@ jobs:
             PACKAGER: "conda-forge"
             BLAS: "openblas"
             INSTALL_LIBOMP: "conda-forge"
-          # MacOS env with MKL and with OpenMP installed through conda-forge compilers
-          - name: pylatest_conda_forge_clang
-            os: macos-latest
-            PYTHON_VERSION: "*"
-            PACKAGER: "conda-forge"
-            BLAS: "mkl"
-            INSTALL_LIBOMP: "conda-forge"
           # MacOS env with FlexiBLAS
           - name: pylatest_flexiblas
             os: macos-latest
diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index 802fb90f..b2a1bb8c 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -35,13 +35,12 @@ make_conda() {
             # assumes conda-forge is set on priority channel
             TO_INSTALL="$TO_INSTALL compilers llvm-openmp"
 
-            # export CFLAGS="$CFLAGS -I$CONDA/envs/testenv/include"
-            # export LDFLAGS="$LDFLAGS -Wl,-rpath,$CONDA/envs/testenv/lib -L$CONDA/envs/testenv/lib"
-
         elif [[ "$INSTALL_LIBOMP" == "homebrew" ]]; then
             # Install a compiler with a working openmp
             HOMEBREW_NO_AUTO_UPDATE=1 brew install libomp
 
+            find / -name "omp.h"
+
             # enable OpenMP support for Apple-clang
             export CC=/usr/bin/clang
             export CPPFLAGS="$CPPFLAGS -Xpreprocessor -fopenmp"

From d59312089bf60196994b2a04dc4f49687cbfa6bc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 00:50:50 +0100
Subject: [PATCH 34/92] iter

---
 continuous_integration/install_env.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index b2a1bb8c..019ed94e 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -39,7 +39,7 @@ make_conda() {
             # Install a compiler with a working openmp
             HOMEBREW_NO_AUTO_UPDATE=1 brew install libomp
 
-            find / -name "omp.h"
+            sudo find / -name "omp.h"
 
             # enable OpenMP support for Apple-clang
             export CC=/usr/bin/clang

From 20079dc464645cca2c23295499a180156e86f8cc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 00:59:21 +0100
Subject: [PATCH 35/92] iter

---
 continuous_integration/install_env.sh | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index 019ed94e..9b99c91e 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -39,13 +39,11 @@ make_conda() {
             # Install a compiler with a working openmp
             HOMEBREW_NO_AUTO_UPDATE=1 brew install libomp
 
-            sudo find / -name "omp.h"
-
             # enable OpenMP support for Apple-clang
             export CC=/usr/bin/clang
             export CPPFLAGS="$CPPFLAGS -Xpreprocessor -fopenmp"
-            export CFLAGS="$CFLAGS -I/usr/local/opt/libomp/include"
-            export LDFLAGS="$LDFLAGS -Wl,-rpath,/usr/local/opt/libomp/lib -L/usr/local/opt/libomp/lib -lomp"
+            export CFLAGS="$CFLAGS -I/opt/libomp/include"
+            export LDFLAGS="$LDFLAGS -Wl,-rpath,/opt/libomp/lib -L/opt/libomp/lib -lomp"
         fi
     fi
 

From bf4812fa95d7e0ed22a7a5bca4975066a05dcba2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 01:04:05 +0100
Subject: [PATCH 36/92] iter

---
 continuous_integration/install_env.sh | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index 9b99c91e..d4d102f4 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -39,6 +39,8 @@ make_conda() {
             # Install a compiler with a working openmp
             HOMEBREW_NO_AUTO_UPDATE=1 brew install libomp
 
+            brew info libomp
+
             # enable OpenMP support for Apple-clang
             export CC=/usr/bin/clang
             export CPPFLAGS="$CPPFLAGS -Xpreprocessor -fopenmp"
@@ -55,9 +57,6 @@ make_conda() {
     conda config --add channels $CHANNEL
     conda update -n base conda conda-libmamba-solver -q --yes
     conda config --set solver libmamba
-
-    conda search blas --channel conda-forge
-
     conda create -n testenv -q --yes python=$PYTHON_VERSION $TO_INSTALL
     conda activate testenv
 

From 07b6c161edcebe0632e4cbde3162626b043c1e20 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 10:35:04 +0100
Subject: [PATCH 37/92] iter

---
 continuous_integration/install_env.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index d4d102f4..8dec673c 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -44,8 +44,8 @@ make_conda() {
             # enable OpenMP support for Apple-clang
             export CC=/usr/bin/clang
             export CPPFLAGS="$CPPFLAGS -Xpreprocessor -fopenmp"
-            export CFLAGS="$CFLAGS -I/opt/libomp/include"
-            export LDFLAGS="$LDFLAGS -Wl,-rpath,/opt/libomp/lib -L/opt/libomp/lib -lomp"
+            export CFLAGS="$CFLAGS -I/opt/homebrew/opt/libomp/include"
+            export LDFLAGS="$LDFLAGS -Wl,-rpath,/opt/homebrew/opt/libomp/lib -L/opt/homebrew/opt/libomp/lib -lomp"
         fi
     fi
 

From 18d07ee0bf85a5fe968d89681be347e696e56dce Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 10:49:46 +0100
Subject: [PATCH 38/92] iter

---
 .github/workflows/test.yml             | 18 ++++-----
 continuous_integration/install_blis.sh | 53 ++++++++++++++++++++++++++
 continuous_integration/install_env.sh  |  2 -
 3 files changed, 62 insertions(+), 11 deletions(-)
 create mode 100644 continuous_integration/install_blis.sh

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index cda9ba1b..7d28c0fd 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -229,19 +229,19 @@ jobs:
           miniforge-version: latest
 
       - name: Install without custom BLAS
-        if: ${{ matrix.INSTALL_BLAS == '' }}
+        # if: ${{ matrix.INSTALL_BLAS == '' }}
         run: |
           bash -el continuous_integration/install_env.sh
 
-      - name: Install with BLIS
-        if: ${{ matrix.INSTALL_BLAS == 'blis' }}
-        run: |
-          bash -el continuous_integration/install_with_blis.sh
+      # - name: Install with BLIS
+      #   if: ${{ matrix.INSTALL_BLAS == 'blis' }}
+      #   run: |
+      #     bash -el continuous_integration/install_with_blis.sh
 
-      - name: Install with FlexiBLAS
-        if: ${{ matrix.INSTALL_BLAS == 'flexiblas' }}
-        run: |
-          bash -el continuous_integration/install_with_flexiblas.sh
+      # - name: Install with FlexiBLAS
+      #   if: ${{ matrix.INSTALL_BLAS == 'flexiblas' }}
+      #   run: |
+      #     bash -el continuous_integration/install_with_flexiblas.sh
 
       #- name: Test library
       #  run: |
diff --git a/continuous_integration/install_blis.sh b/continuous_integration/install_blis.sh
new file mode 100644
index 00000000..096b9e87
--- /dev/null
+++ b/continuous_integration/install_blis.sh
@@ -0,0 +1,53 @@
+#!/bin/bash
+
+set -xe
+
+# step outside of threadpoolctl directory
+pushd ..
+ABS_PATH=$(pwd)
+
+# build & install blis
+mkdir BLIS_install
+git clone https://github.com/flame/blis.git
+
+pushd blis
+./configure --prefix=$ABS_PATH/BLIS_install --enable-cblas --enable-threading=$BLIS_ENABLE_THREADING CC=$BLIS_CC auto
+make -j4
+make install
+popd
+
+# build & install numpy
+git clone https://github.com/numpy/numpy.git
+pushd numpy
+git submodule update --init
+
+echo "libdir=$ABS_PATH/BLIS_install/lib/
+includedir=$ABS_PATH/BLIS_install/include/blis/
+version=latest
+extralib=-lm -lpthread -lgfortran
+Name: blis
+Description: BLIS
+Version: \${version}
+Libs: -L\${libdir} -lblis
+Libs.private: \${extralib}
+Cflags: -I\${includedir}" > blis.pc
+
+PKG_CONFIG_PATH=$ABS_PATH/numpy/ pip install . -v --no-build-isolation -Csetup-args=-Dblas=blis
+popd
+
+# back to threadpoolctl directory
+popd
+
+ython -m pip install -q -r dev-requirements.txt
+CFLAGS=-I$ABS_PATH/BLIS_install/include/blis \
+    LDFLAGS="-L$ABS_PATH/BLIS_install/lib -Wl,-rpath,$ABS_PATH/BLIS_install/lib" \
+    bash ./continuous_integration/build_test_ext.sh
+
+# Check that BLIS is linked
+ldd tests/_openmp_test_helper/nested_prange_blas.cpython*.so
+
+python --version
+python -c "import numpy; print(f'numpy {numpy.__version__}')" || echo "no numpy"
+python -c "import scipy; print(f'scipy {scipy.__version__}')" || echo "no scipy"
+
+python -m flit install --symlink
diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index 8dec673c..73d53e3e 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -39,8 +39,6 @@ make_conda() {
             # Install a compiler with a working openmp
             HOMEBREW_NO_AUTO_UPDATE=1 brew install libomp
 
-            brew info libomp
-
             # enable OpenMP support for Apple-clang
             export CC=/usr/bin/clang
             export CPPFLAGS="$CPPFLAGS -Xpreprocessor -fopenmp"

From 0dc46d7f06cf71bb756a29ec6d77b9e81ff75afb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 10:59:58 +0100
Subject: [PATCH 39/92] iter

---
 continuous_integration/install_blis.sh | 17 ++++-------------
 continuous_integration/install_env.sh  |  3 +++
 2 files changed, 7 insertions(+), 13 deletions(-)

diff --git a/continuous_integration/install_blis.sh b/continuous_integration/install_blis.sh
index 096b9e87..621be53c 100644
--- a/continuous_integration/install_blis.sh
+++ b/continuous_integration/install_blis.sh
@@ -33,21 +33,12 @@ Libs.private: \${extralib}
 Cflags: -I\${includedir}" > blis.pc
 
 PKG_CONFIG_PATH=$ABS_PATH/numpy/ pip install . -v --no-build-isolation -Csetup-args=-Dblas=blis
-popd
-
-# back to threadpoolctl directory
-popd
 
-ython -m pip install -q -r dev-requirements.txt
-CFLAGS=-I$ABS_PATH/BLIS_install/include/blis \
+export CFLAGS=-I$ABS_PATH/BLIS_install/include/blis \
     LDFLAGS="-L$ABS_PATH/BLIS_install/lib -Wl,-rpath,$ABS_PATH/BLIS_install/lib" \
-    bash ./continuous_integration/build_test_ext.sh
 
-# Check that BLIS is linked
-ldd tests/_openmp_test_helper/nested_prange_blas.cpython*.so
+# popd
 
-python --version
-python -c "import numpy; print(f'numpy {numpy.__version__}')" || echo "no numpy"
-python -c "import scipy; print(f'scipy {scipy.__version__}')" || echo "no scipy"
+# # back to threadpoolctl directory
+# popd
 
-python -m flit install --symlink
diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index 73d53e3e..42cc0e17 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -120,6 +120,9 @@ fi
 python -m pip install -v -q -r dev-requirements.txt
 bash ./continuous_integration/build_test_ext.sh
 
+# Check which BLAS is linked
+ldd tests/_openmp_test_helper/nested_prange_blas.cpython*.so
+
 python --version
 python -c "import numpy; print(f'numpy {numpy.__version__}')" || echo "no numpy"
 python -c "import scipy; print(f'scipy {scipy.__version__}')" || echo "no scipy"

From 4a60773e8f496f736a1fb92324bfb6020619a156 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 11:05:37 +0100
Subject: [PATCH 40/92] iter

---
 .github/workflows/test.yml            | 4 ++--
 continuous_integration/install_env.sh | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7d28c0fd..f9f9ae10 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -185,7 +185,7 @@ jobs:
             BLIS_NUM_THREADS: "4"
             CC_OUTER_LOOP: "clang-18"
             CC_INNER_LOOP: "clang-18"
-            BLIS_CC: "gcc-8"
+            BLIS_CC: "gcc-12"
             BLIS_ENABLE_THREADING: "pthreads"
           - name: pylatest_blis_no_threading
             os: ubuntu-latest
@@ -194,7 +194,7 @@ jobs:
             BLIS_NUM_THREADS: "1"
             CC_OUTER_LOOP: "gcc"
             CC_INNER_LOOP: "gcc"
-            BLIS_CC: "gcc-8"
+            BLIS_CC: "gcc-12"
             BLIS_ENABLE_THREADING: "no"
 
           # Linux env with FlexiBLAS
diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index 42cc0e17..28689795 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -22,8 +22,8 @@ then
 fi
 
 # Install gcc 8 to build BLIS
-if [[ "$BLIS_CC" == "gcc-8" ]]; then
-    sudo apt install gcc-8
+if [[ "$BLIS_CC" == "gcc-12" ]]; then
+    sudo apt install gcc-12
 fi
 
 make_conda() {

From daee680c366e603348074653d03d682acae8b799 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 11:11:04 +0100
Subject: [PATCH 41/92] iter

---
 continuous_integration/install_env.sh | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index 28689795..dd451a4a 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -120,8 +120,10 @@ fi
 python -m pip install -v -q -r dev-requirements.txt
 bash ./continuous_integration/build_test_ext.sh
 
-# Check which BLAS is linked
-ldd tests/_openmp_test_helper/nested_prange_blas.cpython*.so
+# Check which BLAS is linked (only available on linux)
+if [[ "$UNAMESTR" == "Linux" ]]; then
+    ldd tests/_openmp_test_helper/nested_prange_blas.cpython*.so
+fi
 
 python --version
 python -c "import numpy; print(f'numpy {numpy.__version__}')" || echo "no numpy"

From 18559c171500fe85921352e5da9e1e367b45ddc8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 11:20:25 +0100
Subject: [PATCH 42/92] iter

---
 continuous_integration/install_env.sh | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index dd451a4a..66705f0f 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -17,8 +17,6 @@ then
     chmod +x llvm.sh
     sudo ./llvm.sh 18
     sudo apt-get install libomp-dev
-
-    sudo find / -name "omp.h"
 fi
 
 # Install gcc 8 to build BLIS
@@ -104,12 +102,12 @@ elif [[ "$PACKAGER" == "ubuntu" ]]; then
     python3 -m virtualenv --system-site-packages --python=python3 testenv
     source testenv/bin/activate
 
-elif [[ "$INSTALL_BLAS" == "BLIS" ]]; then
+elif [[ "$INSTALL_BLAS" == "blis" ]]; then
     TO_INSTALL="cython meson-python pkg-config"
     make_conda "conda-forge" "$TO_INSTALL"
     bash ./continuous_integration/install_blis.sh
 
-elif [[ "$INSTALL_BLAS" == "FlexiBLAS" ]]; then
+elif [[ "$INSTALL_BLAS" == "flexiblas" ]]; then
     TO_INSTALL="cython openblas $PLATFORM_SPECIFIC_PACKAGES meson-python pkg-config compilers"
     make_conda "conda-forge" "$TO_INSTALL"
     bash ./continuous_integration/install_flexiblas.sh

From 2b6178f7528c22c2b954b28193d52de5b56f5c9a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 11:30:48 +0100
Subject: [PATCH 43/92] iter

---
 continuous_integration/install_blis.sh | 4 ++--
 continuous_integration/install_env.sh  | 1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/continuous_integration/install_blis.sh b/continuous_integration/install_blis.sh
index 621be53c..7db796e7 100644
--- a/continuous_integration/install_blis.sh
+++ b/continuous_integration/install_blis.sh
@@ -34,8 +34,8 @@ Cflags: -I\${includedir}" > blis.pc
 
 PKG_CONFIG_PATH=$ABS_PATH/numpy/ pip install . -v --no-build-isolation -Csetup-args=-Dblas=blis
 
-export CFLAGS=-I$ABS_PATH/BLIS_install/include/blis \
-    LDFLAGS="-L$ABS_PATH/BLIS_install/lib -Wl,-rpath,$ABS_PATH/BLIS_install/lib" \
+export CFLAGS=-I$ABS_PATH/BLIS_install/include/blis
+export LDFLAGS="-L$ABS_PATH/BLIS_install/lib -Wl,-rpath,$ABS_PATH/BLIS_install/lib"
 
 # popd
 
diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index 66705f0f..a659bcb2 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -114,6 +114,7 @@ elif [[ "$INSTALL_BLAS" == "flexiblas" ]]; then
 
 fi
 
+echo $CFLAGS
 
 python -m pip install -v -q -r dev-requirements.txt
 bash ./continuous_integration/build_test_ext.sh

From a28aea7201c2063eb73eed4f34fd8c035683eaaa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 11:46:59 +0100
Subject: [PATCH 44/92] iter

---
 continuous_integration/install_env.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index a659bcb2..7260eb68 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -105,12 +105,12 @@ elif [[ "$PACKAGER" == "ubuntu" ]]; then
 elif [[ "$INSTALL_BLAS" == "blis" ]]; then
     TO_INSTALL="cython meson-python pkg-config"
     make_conda "conda-forge" "$TO_INSTALL"
-    bash ./continuous_integration/install_blis.sh
+    source ./continuous_integration/install_blis.sh
 
 elif [[ "$INSTALL_BLAS" == "flexiblas" ]]; then
     TO_INSTALL="cython openblas $PLATFORM_SPECIFIC_PACKAGES meson-python pkg-config compilers"
     make_conda "conda-forge" "$TO_INSTALL"
-    bash ./continuous_integration/install_flexiblas.sh
+    source ./continuous_integration/install_flexiblas.sh
 
 fi
 
@@ -120,7 +120,7 @@ python -m pip install -v -q -r dev-requirements.txt
 bash ./continuous_integration/build_test_ext.sh
 
 # Check which BLAS is linked (only available on linux)
-if [[ "$UNAMESTR" == "Linux" ]]; then
+if [[ "$UNAMESTR" == "Linux" && "$NO_NUMPY" != "true" ]]; then
     ldd tests/_openmp_test_helper/nested_prange_blas.cpython*.so
 fi
 

From bfa0eb67aae1b73a14e82cb53ff64ff0df247713 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 11:55:33 +0100
Subject: [PATCH 45/92] iter

---
 continuous_integration/install_blis.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/continuous_integration/install_blis.sh b/continuous_integration/install_blis.sh
index 7db796e7..496fffca 100644
--- a/continuous_integration/install_blis.sh
+++ b/continuous_integration/install_blis.sh
@@ -37,8 +37,8 @@ PKG_CONFIG_PATH=$ABS_PATH/numpy/ pip install . -v --no-build-isolation -Csetup-a
 export CFLAGS=-I$ABS_PATH/BLIS_install/include/blis
 export LDFLAGS="-L$ABS_PATH/BLIS_install/lib -Wl,-rpath,$ABS_PATH/BLIS_install/lib"
 
-# popd
+popd
 
-# # back to threadpoolctl directory
-# popd
+# back to threadpoolctl directory
+popd
 

From 7e4a11aa0aed2567cbeea30ddf9481e4773029bd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 12:08:59 +0100
Subject: [PATCH 46/92] iter

---
 continuous_integration/install_blis.sh      |  3 +-
 continuous_integration/install_flexiblas.sh | 67 +++++++++++++++++++++
 2 files changed, 68 insertions(+), 2 deletions(-)
 create mode 100644 continuous_integration/install_flexiblas.sh

diff --git a/continuous_integration/install_blis.sh b/continuous_integration/install_blis.sh
index 496fffca..32e1b81a 100644
--- a/continuous_integration/install_blis.sh
+++ b/continuous_integration/install_blis.sh
@@ -9,8 +9,8 @@ ABS_PATH=$(pwd)
 # build & install blis
 mkdir BLIS_install
 git clone https://github.com/flame/blis.git
-
 pushd blis
+
 ./configure --prefix=$ABS_PATH/BLIS_install --enable-cblas --enable-threading=$BLIS_ENABLE_THREADING CC=$BLIS_CC auto
 make -j4
 make install
@@ -41,4 +41,3 @@ popd
 
 # back to threadpoolctl directory
 popd
-
diff --git a/continuous_integration/install_flexiblas.sh b/continuous_integration/install_flexiblas.sh
new file mode 100644
index 00000000..3d45ab54
--- /dev/null
+++ b/continuous_integration/install_flexiblas.sh
@@ -0,0 +1,67 @@
+#!/bin/bash
+
+set -xe
+
+# step outside of threadpoolctl directory
+pushd ..
+ABS_PATH=$(pwd)
+
+# build & install FlexiBLAS
+mkdir flexiblas_install
+git clone https://github.com/mpimd-csc/flexiblas.git
+pushd flexiblas
+
+# Temporary ping Flexiblas commit to avoid openmp symbols not found at link time
+git checkout v3.4.2 
+
+mkdir build
+pushd build
+
+EXTENSION=".so"
+if [[ $(uname) == "Darwin" ]]; then
+    EXTENSION=".dylib"
+fi
+
+# We intentionally restrict the list of backends to make it easier to
+# write platform agnostic tests. In particular, we do not detect OS
+# provided backends such as macOS' Apple/Accelerate/vecLib nor plaftorm
+# specific BLAS implementations such as MKL that cannot be installed on
+# arm64 hardware.
+cmake ../ -DCMAKE_INSTALL_PREFIX=$ABS_PATH"/flexiblas_install" \
+    -DBLAS_AUTO_DETECT="OFF" \
+    -DEXTRA="OPENBLAS_CONDA" \
+    -DFLEXIBLAS_DEFAULT="OPENBLAS_CONDA" \
+    -DOPENBLAS_CONDA_LIBRARY=$CONDA_PREFIX"/lib/libopenblas"$EXTENSION \
+make
+make install
+
+# Check that all 3 BLAS are listed in FlexiBLAS configuration
+$ABS_PATH/flexiblas_install/bin/flexiblas list
+popd
+popd
+
+# build & install numpy
+git clone https://github.com/numpy/numpy.git
+pushd numpy
+git submodule update --init
+
+echo "libdir=$ABS_PATH/flexiblas_install/lib/
+includedir=$ABS_PATH/flexiblas_install/include/flexiblas/
+version=3.3.1
+extralib=-lm -lpthread -lgfortran
+Name: flexiblas
+Description: FlexiBLAS - a BLAS wrapper
+Version: \${version}
+Libs: -L\${libdir} -lflexiblas
+Libs.private: \${extralib}
+Cflags: -I\${includedir}" > flexiblas.pc
+
+PKG_CONFIG_PATH=$ABS_PATH/numpy/ pip install . -v --no-build-isolation -Csetup-args=-Dblas=flexiblas -Csetup-args=-Dlapack=flexiblas
+
+export CFLAGS=-I$ABS_PATH/flexiblas_install/include/flexiblas \
+export LDFLAGS="-L$ABS_PATH/flexiblas_install/lib -Wl,-rpath,$ABS_PATH/flexiblas_install/lib" \
+
+popd
+
+# back to threadpoolctl directory
+popd

From 3ca8fab383b46309fdbcaf1582e704b73d9b49db Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 12:38:47 +0100
Subject: [PATCH 47/92] iter

---
 .github/workflows/test.yml | 2 --
 1 file changed, 2 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f9f9ae10..ca70930e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -88,8 +88,6 @@ jobs:
             PACKAGER: "conda"
             INSTALL_BLAS: "flexiblas"
             PLATFORM_SPECIFIC_PACKAGES: "mkl"
-            CC_OUTER_LOOP: "clang"
-            CC_INNER_LOOP: "clang"
 
           # Linux environments to test that packages that comes with Ubuntu 20.04
           # are correctly handled.

From 44b4584e97325d58fc2d99be948807e572cd4b9d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 12:44:58 +0100
Subject: [PATCH 48/92] iter

---
 .github/workflows/test.yml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ca70930e..e786715b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -85,9 +85,8 @@ jobs:
           - name: pylatest_flexiblas
             os: macos-latest
             PYTHON_VERSION: "*"
-            PACKAGER: "conda"
             INSTALL_BLAS: "flexiblas"
-            PLATFORM_SPECIFIC_PACKAGES: "mkl"
+            PLATFORM_SPECIFIC_PACKAGES: "mkl llvm-openmp"
 
           # Linux environments to test that packages that comes with Ubuntu 20.04
           # are correctly handled.

From 7d2203737f02d81e5b7f5d86fa3abe95df8b1e9b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 13:13:26 +0100
Subject: [PATCH 49/92] iter

---
 continuous_integration/install_env.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index 7260eb68..174898ce 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -108,6 +108,11 @@ elif [[ "$INSTALL_BLAS" == "blis" ]]; then
     source ./continuous_integration/install_blis.sh
 
 elif [[ "$INSTALL_BLAS" == "flexiblas" ]]; then
+    conda search blas --channel conda-forge
+    conda search blas --channel defaults
+    conda search mkl --channel conda-forge
+    conda search mkl --channel defaults
+
     TO_INSTALL="cython openblas $PLATFORM_SPECIFIC_PACKAGES meson-python pkg-config compilers"
     make_conda "conda-forge" "$TO_INSTALL"
     source ./continuous_integration/install_flexiblas.sh

From 9dcf40dd421b8d0ec9549b89b1c76cd1475b50a6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 14:21:55 +0100
Subject: [PATCH 50/92] iter

---
 .github/workflows/test.yml            |  2 +-
 continuous_integration/install_env.sh |  5 -----
 tests/test_threadpoolctl.py           | 14 +++++++-------
 3 files changed, 8 insertions(+), 13 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index e786715b..20b77769 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -86,7 +86,7 @@ jobs:
             os: macos-latest
             PYTHON_VERSION: "*"
             INSTALL_BLAS: "flexiblas"
-            PLATFORM_SPECIFIC_PACKAGES: "mkl llvm-openmp"
+            PLATFORM_SPECIFIC_PACKAGES: "llvm-openmp"
 
           # Linux environments to test that packages that comes with Ubuntu 20.04
           # are correctly handled.
diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index 174898ce..7260eb68 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -108,11 +108,6 @@ elif [[ "$INSTALL_BLAS" == "blis" ]]; then
     source ./continuous_integration/install_blis.sh
 
 elif [[ "$INSTALL_BLAS" == "flexiblas" ]]; then
-    conda search blas --channel conda-forge
-    conda search blas --channel defaults
-    conda search mkl --channel conda-forge
-    conda search mkl --channel defaults
-
     TO_INSTALL="cython openblas $PLATFORM_SPECIFIC_PACKAGES meson-python pkg-config compilers"
     make_conda "conda-forge" "$TO_INSTALL"
     source ./continuous_integration/install_flexiblas.sh
diff --git a/tests/test_threadpoolctl.py b/tests/test_threadpoolctl.py
index d6e95363..d60fbc5d 100644
--- a/tests/test_threadpoolctl.py
+++ b/tests/test_threadpoolctl.py
@@ -717,13 +717,13 @@ def test_flexiblas_switch():
     assert fb_controller.current_backend == "NETLIB"
     assert fb_controller.loaded_backends == ["OPENBLAS_CONDA", "NETLIB"]
 
-    ext = ".so" if sys.platform == "linux" else ".dylib"
-    mkl_path = f"{os.getenv('CONDA_PREFIX')}/lib/libmkl_rt{ext}"
-    fb_controller.switch_backend(mkl_path)
-    assert fb_controller.current_backend == mkl_path
-    assert fb_controller.loaded_backends == ["OPENBLAS_CONDA", "NETLIB", mkl_path]
-    # switching the backend triggered a new search for loaded shared libs
-    assert len(controller.select(internal_api="mkl").lib_controllers) == 1
+    if sys.platform == "linux":
+        mkl_path = f"{os.getenv('CONDA_PREFIX')}/lib/libmkl_rt.so"
+        fb_controller.switch_backend(mkl_path)
+        assert fb_controller.current_backend == mkl_path
+        assert fb_controller.loaded_backends == ["OPENBLAS_CONDA", "NETLIB", mkl_path]
+        # switching the backend triggered a new search for loaded shared libs
+        assert len(controller.select(internal_api="mkl").lib_controllers) == 1
 
     # switch back to default to avoid side effects
     fb_controller.switch_backend("OPENBLAS_CONDA")

From a7f1f16d9a22b6bfa12520a4f017428894192668 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 14:45:39 +0100
Subject: [PATCH 51/92] iter

---
 .github/workflows/test.yml             | 16 +++-------------
 continuous_integration/install_blis.sh |  6 ++++++
 continuous_integration/install_env.sh  |  4 ----
 continuous_integration/test_script.sh  | 10 ++++------
 4 files changed, 13 insertions(+), 23 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 20b77769..45b517ba 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -230,19 +230,9 @@ jobs:
         run: |
           bash -el continuous_integration/install_env.sh
 
-      # - name: Install with BLIS
-      #   if: ${{ matrix.INSTALL_BLAS == 'blis' }}
-      #   run: |
-      #     bash -el continuous_integration/install_with_blis.sh
-
-      # - name: Install with FlexiBLAS
-      #   if: ${{ matrix.INSTALL_BLAS == 'flexiblas' }}
-      #   run: |
-      #     bash -el continuous_integration/install_with_flexiblas.sh
-
-      #- name: Test library
-      #  run: |
-      #    bash -el continuous_integration/runtest.sh
+      - name: Test library
+       run: |
+         bash -el continuous_integration/runtest.sh
 
       - name: Upload to Codecov
         uses: codecov/codecov-action@v5
diff --git a/continuous_integration/install_blis.sh b/continuous_integration/install_blis.sh
index 32e1b81a..e8fa8074 100644
--- a/continuous_integration/install_blis.sh
+++ b/continuous_integration/install_blis.sh
@@ -2,6 +2,12 @@
 
 set -xe
 
+
+# Install gcc 12 to build BLIS
+if [[ "$BLIS_CC" == "gcc-12" ]]; then
+    sudo apt install gcc-12
+fi
+
 # step outside of threadpoolctl directory
 pushd ..
 ABS_PATH=$(pwd)
diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index 7260eb68..6354adb2 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -19,10 +19,6 @@ then
     sudo apt-get install libomp-dev
 fi
 
-# Install gcc 8 to build BLIS
-if [[ "$BLIS_CC" == "gcc-12" ]]; then
-    sudo apt install gcc-12
-fi
 
 make_conda() {
     CHANNEL="$1"
diff --git a/continuous_integration/test_script.sh b/continuous_integration/test_script.sh
index 8eeaba19..51d29fe3 100755
--- a/continuous_integration/test_script.sh
+++ b/continuous_integration/test_script.sh
@@ -1,21 +1,19 @@
 #!/bin/bash
 
-set -e
+set -xe
 
 if [[ "$PACKAGER" == conda* ]]; then
-    source activate $VIRTUALENV
+    conda activate testenv
     conda list
 elif [[ "$PACKAGER" == pip* ]]; then
     # we actually use conda to install the base environment:
-    source activate $VIRTUALENV
+    conda activate testenv
     pip list
 elif [[ "$PACKAGER" == "ubuntu" ]]; then
-    source $VIRTUALENV/bin/activate
+    source testenv/bin/activate
     pip list
 fi
 
-set -x
-
 # Use the CLI to display the effective runtime environment prior to
 # launching the tests:
 python -m threadpoolctl -i numpy scipy.linalg tests._openmp_test_helper.openmp_helpers_inner

From 2a44c1fcaf8cf2f4f071d0391b8d3f3b65e364bb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 14:48:04 +0100
Subject: [PATCH 52/92] iter

---
 .github/workflows/test.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 45b517ba..615ecf73 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -231,8 +231,8 @@ jobs:
           bash -el continuous_integration/install_env.sh
 
       - name: Test library
-       run: |
-         bash -el continuous_integration/runtest.sh
+        run: |
+          bash -el continuous_integration/test_script.sh
 
       - name: Upload to Codecov
         uses: codecov/codecov-action@v5

From 175ba8e8ebd3434611dd978cdac72f9c1c9d026b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 15:24:26 +0100
Subject: [PATCH 53/92] iter

---
 continuous_integration/test_script.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/continuous_integration/test_script.sh b/continuous_integration/test_script.sh
index 51d29fe3..994c985a 100755
--- a/continuous_integration/test_script.sh
+++ b/continuous_integration/test_script.sh
@@ -14,8 +14,10 @@ elif [[ "$PACKAGER" == "ubuntu" ]]; then
     pip list
 fi
 
+echo $MKL_THREADING_LAYER
+
 # Use the CLI to display the effective runtime environment prior to
 # launching the tests:
 python -m threadpoolctl -i numpy scipy.linalg tests._openmp_test_helper.openmp_helpers_inner
 
-pytest -vlrxXs -W error -k "$TESTS" --junitxml=$JUNITXML --cov=threadpoolctl
+pytest -vlrxXs -W error -k "$TESTS" --junitxml=$JUNITXML --cov=threadpoolctl --cov-report xml

From 21f0a0dc9070994826084aaede483101d37af1a6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 15:32:09 +0100
Subject: [PATCH 54/92] iter

---
 .github/workflows/test.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 615ecf73..6f80ef52 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -138,7 +138,7 @@ jobs:
             BLAS: "mkl"
             CC_OUTER_LOOP: "gcc"
             CC_INNER_LOOP: "gcc"
-            MKL_THREADING_LAYER: "INTEL"
+            MKL_THREADING_LAYER: "MKL_THREADING_INTEL"
           # Linux + Python 3.8 with numpy / scipy installed with pip from PyPI
           # and heterogeneous OpenMP runtimes.
           - name: py38_pip_openblas_gcc_clang

From 6b31b17f3a6476047a305e14615904a039e8a408 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 16:31:21 +0100
Subject: [PATCH 55/92] iter

---
 .github/workflows/test.yml            | 2 +-
 continuous_integration/test_script.sh | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6f80ef52..615ecf73 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -138,7 +138,7 @@ jobs:
             BLAS: "mkl"
             CC_OUTER_LOOP: "gcc"
             CC_INNER_LOOP: "gcc"
-            MKL_THREADING_LAYER: "MKL_THREADING_INTEL"
+            MKL_THREADING_LAYER: "INTEL"
           # Linux + Python 3.8 with numpy / scipy installed with pip from PyPI
           # and heterogeneous OpenMP runtimes.
           - name: py38_pip_openblas_gcc_clang
diff --git a/continuous_integration/test_script.sh b/continuous_integration/test_script.sh
index 994c985a..1a8101f5 100755
--- a/continuous_integration/test_script.sh
+++ b/continuous_integration/test_script.sh
@@ -14,7 +14,8 @@ elif [[ "$PACKAGER" == "ubuntu" ]]; then
     pip list
 fi
 
-echo $MKL_THREADING_LAYER
+dpkg --print-architecture
+
 
 # Use the CLI to display the effective runtime environment prior to
 # launching the tests:

From 621bd8ea7fa959a0396a05a8de2ab6b6664322c2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 16:36:23 +0100
Subject: [PATCH 56/92] iter

---
 continuous_integration/test_script.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/continuous_integration/test_script.sh b/continuous_integration/test_script.sh
index 1a8101f5..eb48d9c0 100755
--- a/continuous_integration/test_script.sh
+++ b/continuous_integration/test_script.sh
@@ -14,7 +14,7 @@ elif [[ "$PACKAGER" == "ubuntu" ]]; then
     pip list
 fi
 
-dpkg --print-architecture
+export MKL_THREADING_LAYER=INTEL
 
 
 # Use the CLI to display the effective runtime environment prior to

From 02f63a15d9c36b8a6aadd8638f209022183726eb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 16:49:18 +0100
Subject: [PATCH 57/92] iter

---
 continuous_integration/test_script.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/continuous_integration/test_script.sh b/continuous_integration/test_script.sh
index eb48d9c0..262960dc 100755
--- a/continuous_integration/test_script.sh
+++ b/continuous_integration/test_script.sh
@@ -19,6 +19,6 @@ export MKL_THREADING_LAYER=INTEL
 
 # Use the CLI to display the effective runtime environment prior to
 # launching the tests:
-python -m threadpoolctl -i numpy scipy.linalg tests._openmp_test_helper.openmp_helpers_inner
+python -m threadpoolctl -i numpy scipy.linalg #tests._openmp_test_helper.openmp_helpers_inner
 
 pytest -vlrxXs -W error -k "$TESTS" --junitxml=$JUNITXML --cov=threadpoolctl --cov-report xml

From ae4625bed48b244b7f18863a07e6322bc3ba2d13 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 17:11:45 +0100
Subject: [PATCH 58/92] iter

---
 continuous_integration/install_env.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index 6354adb2..d84366cb 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -46,6 +46,7 @@ make_conda() {
         TO_INSTALL="$TO_INSTALL python-gil"
     fi
 
+    conda config --set channel_priority strict
     conda config --add channels $CHANNEL
     conda update -n base conda conda-libmamba-solver -q --yes
     conda config --set solver libmamba

From aa70bd706a12ff034912016e05ba0d4325304869 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 17:25:47 +0100
Subject: [PATCH 59/92] iter

---
 continuous_integration/install_env.sh | 2 ++
 continuous_integration/test_script.sh | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_env.sh
index d84366cb..d96f3b8c 100644
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_env.sh
@@ -46,8 +46,10 @@ make_conda() {
         TO_INSTALL="$TO_INSTALL python-gil"
     fi
 
+    # prevent mixing conda channels
     conda config --set channel_priority strict
     conda config --add channels $CHANNEL
+
     conda update -n base conda conda-libmamba-solver -q --yes
     conda config --set solver libmamba
     conda create -n testenv -q --yes python=$PYTHON_VERSION $TO_INSTALL
diff --git a/continuous_integration/test_script.sh b/continuous_integration/test_script.sh
index 262960dc..97ac9356 100755
--- a/continuous_integration/test_script.sh
+++ b/continuous_integration/test_script.sh
@@ -2,7 +2,7 @@
 
 set -xe
 
-if [[ "$PACKAGER" == conda* ]]; then
+if [[ "$PACKAGER" == conda* ]] || [[ -z "$PACKAGER" ]]; then
     conda activate testenv
     conda list
 elif [[ "$PACKAGER" == pip* ]]; then

From b9ba539073e7e0e85f01c99c278e1b31271d7958 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 17:38:07 +0100
Subject: [PATCH 60/92] iter

---
 tests/test_threadpoolctl.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tests/test_threadpoolctl.py b/tests/test_threadpoolctl.py
index d60fbc5d..6e920924 100644
--- a/tests/test_threadpoolctl.py
+++ b/tests/test_threadpoolctl.py
@@ -624,6 +624,7 @@ def test_architecture():
         # XXX: add more as needed by CI or developer laptops
         "skx",
         "haswell",
+        "zen3",
     )
     for lib_info in threadpool_info():
         if lib_info["internal_api"] == "openblas":

From 643419b5ebe53d15e57f8344682cddc8bd8d7232 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 17:58:57 +0100
Subject: [PATCH 61/92] iter

---
 .github/workflows/test.yml                    |  7 +-
 continuous_integration/install.sh             | 87 +++++++++++++------
 .../{install_env.sh => install_old.sh}        | 87 ++++++-------------
 .../{test_script.sh => run_tests.sh}          |  0
 4 files changed, 90 insertions(+), 91 deletions(-)
 mode change 100755 => 100644 continuous_integration/install.sh
 rename continuous_integration/{install_env.sh => install_old.sh} (55%)
 mode change 100644 => 100755
 rename continuous_integration/{test_script.sh => run_tests.sh} (100%)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 615ecf73..051b49c7 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -225,14 +225,13 @@ jobs:
           auto-update-conda: true
           miniforge-version: latest
 
-      - name: Install without custom BLAS
-        # if: ${{ matrix.INSTALL_BLAS == '' }}
+      - name: Install dependencies
         run: |
-          bash -el continuous_integration/install_env.sh
+          bash -el continuous_integration/install.sh
 
       - name: Test library
         run: |
-          bash -el continuous_integration/test_script.sh
+          bash -el continuous_integration/run_tests.sh
 
       - name: Upload to Codecov
         uses: codecov/codecov-action@v5
diff --git a/continuous_integration/install.sh b/continuous_integration/install.sh
old mode 100755
new mode 100644
index d0e8402f..d96f3b8c
--- a/continuous_integration/install.sh
+++ b/continuous_integration/install.sh
@@ -1,28 +1,34 @@
 #!/bin/bash
 
-set -e
+# License: BSD 3-Clause
+
+set -xe
 
 UNAMESTR=`uname`
 
-if [[ "$CC_OUTER_LOOP" == "clang-10" || "$CC_INNER_LOOP" == "clang-10" ]]; then
-    # Assume Ubuntu: install a recent version of clang and libomp
+
+# Install a recent version of clang and libomp if needed
+# Only applicable on linux jobs
+if [[ "$CC_OUTER_LOOP" == "clang-18" ]] || \
+   [[ "$CC_INNER_LOOP" == "clang-18" ]] || \
+   [[ "$BLIS_CC" == "clang-18" ]]
+then
     wget https://apt.llvm.org/llvm.sh
     chmod +x llvm.sh
-    sudo ./llvm.sh 10
+    sudo ./llvm.sh 18
     sudo apt-get install libomp-dev
 fi
 
+
 make_conda() {
-    TO_INSTALL="$@"
+    CHANNEL="$1"
+    TO_INSTALL="setuptools $2"
     if [[ "$UNAMESTR" == "Darwin" ]]; then
         if [[ "$INSTALL_LIBOMP" == "conda-forge" ]]; then
             # Install an OpenMP-enabled clang/llvm from conda-forge
             # assumes conda-forge is set on priority channel
             TO_INSTALL="$TO_INSTALL compilers llvm-openmp"
 
-            export CFLAGS="$CFLAGS -I$CONDA/envs/$VIRTUALENV/include"
-            export LDFLAGS="$LDFLAGS -Wl,-rpath,$CONDA/envs/$VIRTUALENV/lib -L$CONDA/envs/$VIRTUALENV/lib"
-
         elif [[ "$INSTALL_LIBOMP" == "homebrew" ]]; then
             # Install a compiler with a working openmp
             HOMEBREW_NO_AUTO_UPDATE=1 brew install libomp
@@ -30,37 +36,50 @@ make_conda() {
             # enable OpenMP support for Apple-clang
             export CC=/usr/bin/clang
             export CPPFLAGS="$CPPFLAGS -Xpreprocessor -fopenmp"
-            export CFLAGS="$CFLAGS -I/usr/local/opt/libomp/include"
-            export LDFLAGS="$LDFLAGS -Wl,-rpath,/usr/local/opt/libomp/lib -L/usr/local/opt/libomp/lib -lomp"
+            export CFLAGS="$CFLAGS -I/opt/homebrew/opt/libomp/include"
+            export LDFLAGS="$LDFLAGS -Wl,-rpath,/opt/homebrew/opt/libomp/lib -L/opt/homebrew/opt/libomp/lib -lomp"
         fi
     fi
+
+    if [[ "$PYTHON_VERSION" == "*" ]]; then
+        # Avoid installing free-threaded python
+        TO_INSTALL="$TO_INSTALL python-gil"
+    fi
+
+    # prevent mixing conda channels
+    conda config --set channel_priority strict
+    conda config --add channels $CHANNEL
+
     conda update -n base conda conda-libmamba-solver -q --yes
     conda config --set solver libmamba
-    conda create -n $VIRTUALENV -q --yes $TO_INSTALL
-    source activate $VIRTUALENV
+    conda create -n testenv -q --yes python=$PYTHON_VERSION $TO_INSTALL
+    conda activate testenv
+
+    which clang
 }
 
+
 if [[ "$PACKAGER" == "conda" ]]; then
-    TO_INSTALL="python=$PYTHON_VERSION pip"
+    TO_INSTALL=""
     if [[ "$NO_NUMPY" != "true" ]]; then
-        TO_INSTALL="$TO_INSTALL numpy scipy blas[build=$BLAS]"
+        TO_INSTALL="$TO_INSTALL numpy scipy"
+        if [[ -n "$BLAS" ]]; then
+            TO_INSTALL="$TO_INSTALL blas=*=$BLAS"
+        fi
     fi
-	make_conda $TO_INSTALL
+	make_conda "defaults" "$TO_INSTALL"
 
 elif [[ "$PACKAGER" == "conda-forge" ]]; then
-    conda config --prepend channels conda-forge
-    conda config --set channel_priority strict
-    TO_INSTALL="python=$PYTHON_VERSION numpy scipy blas[build=$BLAS]"
+    TO_INSTALL="numpy scipy blas=*=$BLAS"
     if [[ "$BLAS" == "openblas" && "$OPENBLAS_THREADING_LAYER" == "openmp" ]]; then
         TO_INSTALL="$TO_INSTALL libopenblas=*=*openmp*"
     fi
-    make_conda $TO_INSTALL
+    make_conda "conda-forge" "$TO_INSTALL"
 
 elif [[ "$PACKAGER" == "pip" ]]; then
     # Use conda to build an empty python env and then use pip to install
     # numpy and scipy
-    TO_INSTALL="python=$PYTHON_VERSION pip"
-    make_conda $TO_INSTALL
+    make_conda "conda-forge" ""
     if [[ "$NO_NUMPY" != "true" ]]; then
         pip install numpy scipy
     fi
@@ -68,8 +87,7 @@ elif [[ "$PACKAGER" == "pip" ]]; then
 elif [[ "$PACKAGER" == "pip-dev" ]]; then
     # Use conda to build an empty python env and then use pip to install
     # numpy and scipy dev versions
-    TO_INSTALL="python=$PYTHON_VERSION pip"
-    make_conda $TO_INSTALL
+    make_conda "conda-forge" ""
 
     dev_anaconda_url=https://pypi.anaconda.org/scientific-python-nightly-wheels/simple
     pip install --pre --upgrade --timeout=60 --extra-index $dev_anaconda_url numpy scipy
@@ -80,14 +98,31 @@ elif [[ "$PACKAGER" == "ubuntu" ]]; then
     sudo add-apt-repository --remove ppa:ubuntu-toolchain-r/test
     sudo apt-get update
     sudo apt-get install python3-scipy python3-virtualenv $APT_BLAS
-    python3 -m virtualenv --system-site-packages --python=python3 $VIRTUALENV
-    source $VIRTUALENV/bin/activate
+    python3 -m virtualenv --system-site-packages --python=python3 testenv
+    source testenv/bin/activate
+
+elif [[ "$INSTALL_BLAS" == "blis" ]]; then
+    TO_INSTALL="cython meson-python pkg-config"
+    make_conda "conda-forge" "$TO_INSTALL"
+    source ./continuous_integration/install_blis.sh
+
+elif [[ "$INSTALL_BLAS" == "flexiblas" ]]; then
+    TO_INSTALL="cython openblas $PLATFORM_SPECIFIC_PACKAGES meson-python pkg-config compilers"
+    make_conda "conda-forge" "$TO_INSTALL"
+    source ./continuous_integration/install_flexiblas.sh
+
 fi
 
+echo $CFLAGS
 
-python -m pip install -q -r dev-requirements.txt
+python -m pip install -v -q -r dev-requirements.txt
 bash ./continuous_integration/build_test_ext.sh
 
+# Check which BLAS is linked (only available on linux)
+if [[ "$UNAMESTR" == "Linux" && "$NO_NUMPY" != "true" ]]; then
+    ldd tests/_openmp_test_helper/nested_prange_blas.cpython*.so
+fi
+
 python --version
 python -c "import numpy; print(f'numpy {numpy.__version__}')" || echo "no numpy"
 python -c "import scipy; print(f'scipy {scipy.__version__}')" || echo "no scipy"
diff --git a/continuous_integration/install_env.sh b/continuous_integration/install_old.sh
old mode 100644
new mode 100755
similarity index 55%
rename from continuous_integration/install_env.sh
rename to continuous_integration/install_old.sh
index d96f3b8c..d0e8402f
--- a/continuous_integration/install_env.sh
+++ b/continuous_integration/install_old.sh
@@ -1,34 +1,28 @@
 #!/bin/bash
 
-# License: BSD 3-Clause
-
-set -xe
+set -e
 
 UNAMESTR=`uname`
 
-
-# Install a recent version of clang and libomp if needed
-# Only applicable on linux jobs
-if [[ "$CC_OUTER_LOOP" == "clang-18" ]] || \
-   [[ "$CC_INNER_LOOP" == "clang-18" ]] || \
-   [[ "$BLIS_CC" == "clang-18" ]]
-then
+if [[ "$CC_OUTER_LOOP" == "clang-10" || "$CC_INNER_LOOP" == "clang-10" ]]; then
+    # Assume Ubuntu: install a recent version of clang and libomp
     wget https://apt.llvm.org/llvm.sh
     chmod +x llvm.sh
-    sudo ./llvm.sh 18
+    sudo ./llvm.sh 10
     sudo apt-get install libomp-dev
 fi
 
-
 make_conda() {
-    CHANNEL="$1"
-    TO_INSTALL="setuptools $2"
+    TO_INSTALL="$@"
     if [[ "$UNAMESTR" == "Darwin" ]]; then
         if [[ "$INSTALL_LIBOMP" == "conda-forge" ]]; then
             # Install an OpenMP-enabled clang/llvm from conda-forge
             # assumes conda-forge is set on priority channel
             TO_INSTALL="$TO_INSTALL compilers llvm-openmp"
 
+            export CFLAGS="$CFLAGS -I$CONDA/envs/$VIRTUALENV/include"
+            export LDFLAGS="$LDFLAGS -Wl,-rpath,$CONDA/envs/$VIRTUALENV/lib -L$CONDA/envs/$VIRTUALENV/lib"
+
         elif [[ "$INSTALL_LIBOMP" == "homebrew" ]]; then
             # Install a compiler with a working openmp
             HOMEBREW_NO_AUTO_UPDATE=1 brew install libomp
@@ -36,50 +30,37 @@ make_conda() {
             # enable OpenMP support for Apple-clang
             export CC=/usr/bin/clang
             export CPPFLAGS="$CPPFLAGS -Xpreprocessor -fopenmp"
-            export CFLAGS="$CFLAGS -I/opt/homebrew/opt/libomp/include"
-            export LDFLAGS="$LDFLAGS -Wl,-rpath,/opt/homebrew/opt/libomp/lib -L/opt/homebrew/opt/libomp/lib -lomp"
+            export CFLAGS="$CFLAGS -I/usr/local/opt/libomp/include"
+            export LDFLAGS="$LDFLAGS -Wl,-rpath,/usr/local/opt/libomp/lib -L/usr/local/opt/libomp/lib -lomp"
         fi
     fi
-
-    if [[ "$PYTHON_VERSION" == "*" ]]; then
-        # Avoid installing free-threaded python
-        TO_INSTALL="$TO_INSTALL python-gil"
-    fi
-
-    # prevent mixing conda channels
-    conda config --set channel_priority strict
-    conda config --add channels $CHANNEL
-
     conda update -n base conda conda-libmamba-solver -q --yes
     conda config --set solver libmamba
-    conda create -n testenv -q --yes python=$PYTHON_VERSION $TO_INSTALL
-    conda activate testenv
-
-    which clang
+    conda create -n $VIRTUALENV -q --yes $TO_INSTALL
+    source activate $VIRTUALENV
 }
 
-
 if [[ "$PACKAGER" == "conda" ]]; then
-    TO_INSTALL=""
+    TO_INSTALL="python=$PYTHON_VERSION pip"
     if [[ "$NO_NUMPY" != "true" ]]; then
-        TO_INSTALL="$TO_INSTALL numpy scipy"
-        if [[ -n "$BLAS" ]]; then
-            TO_INSTALL="$TO_INSTALL blas=*=$BLAS"
-        fi
+        TO_INSTALL="$TO_INSTALL numpy scipy blas[build=$BLAS]"
     fi
-	make_conda "defaults" "$TO_INSTALL"
+	make_conda $TO_INSTALL
 
 elif [[ "$PACKAGER" == "conda-forge" ]]; then
-    TO_INSTALL="numpy scipy blas=*=$BLAS"
+    conda config --prepend channels conda-forge
+    conda config --set channel_priority strict
+    TO_INSTALL="python=$PYTHON_VERSION numpy scipy blas[build=$BLAS]"
     if [[ "$BLAS" == "openblas" && "$OPENBLAS_THREADING_LAYER" == "openmp" ]]; then
         TO_INSTALL="$TO_INSTALL libopenblas=*=*openmp*"
     fi
-    make_conda "conda-forge" "$TO_INSTALL"
+    make_conda $TO_INSTALL
 
 elif [[ "$PACKAGER" == "pip" ]]; then
     # Use conda to build an empty python env and then use pip to install
     # numpy and scipy
-    make_conda "conda-forge" ""
+    TO_INSTALL="python=$PYTHON_VERSION pip"
+    make_conda $TO_INSTALL
     if [[ "$NO_NUMPY" != "true" ]]; then
         pip install numpy scipy
     fi
@@ -87,7 +68,8 @@ elif [[ "$PACKAGER" == "pip" ]]; then
 elif [[ "$PACKAGER" == "pip-dev" ]]; then
     # Use conda to build an empty python env and then use pip to install
     # numpy and scipy dev versions
-    make_conda "conda-forge" ""
+    TO_INSTALL="python=$PYTHON_VERSION pip"
+    make_conda $TO_INSTALL
 
     dev_anaconda_url=https://pypi.anaconda.org/scientific-python-nightly-wheels/simple
     pip install --pre --upgrade --timeout=60 --extra-index $dev_anaconda_url numpy scipy
@@ -98,31 +80,14 @@ elif [[ "$PACKAGER" == "ubuntu" ]]; then
     sudo add-apt-repository --remove ppa:ubuntu-toolchain-r/test
     sudo apt-get update
     sudo apt-get install python3-scipy python3-virtualenv $APT_BLAS
-    python3 -m virtualenv --system-site-packages --python=python3 testenv
-    source testenv/bin/activate
-
-elif [[ "$INSTALL_BLAS" == "blis" ]]; then
-    TO_INSTALL="cython meson-python pkg-config"
-    make_conda "conda-forge" "$TO_INSTALL"
-    source ./continuous_integration/install_blis.sh
-
-elif [[ "$INSTALL_BLAS" == "flexiblas" ]]; then
-    TO_INSTALL="cython openblas $PLATFORM_SPECIFIC_PACKAGES meson-python pkg-config compilers"
-    make_conda "conda-forge" "$TO_INSTALL"
-    source ./continuous_integration/install_flexiblas.sh
-
+    python3 -m virtualenv --system-site-packages --python=python3 $VIRTUALENV
+    source $VIRTUALENV/bin/activate
 fi
 
-echo $CFLAGS
 
-python -m pip install -v -q -r dev-requirements.txt
+python -m pip install -q -r dev-requirements.txt
 bash ./continuous_integration/build_test_ext.sh
 
-# Check which BLAS is linked (only available on linux)
-if [[ "$UNAMESTR" == "Linux" && "$NO_NUMPY" != "true" ]]; then
-    ldd tests/_openmp_test_helper/nested_prange_blas.cpython*.so
-fi
-
 python --version
 python -c "import numpy; print(f'numpy {numpy.__version__}')" || echo "no numpy"
 python -c "import scipy; print(f'scipy {scipy.__version__}')" || echo "no scipy"
diff --git a/continuous_integration/test_script.sh b/continuous_integration/run_tests.sh
similarity index 100%
rename from continuous_integration/test_script.sh
rename to continuous_integration/run_tests.sh

From 2231a92f16cb79840d516b9f34d02bb08efde193 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 18:12:16 +0100
Subject: [PATCH 62/92] iter

---
 .github/workflows/test.yml | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 051b49c7..01fd9297 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -19,6 +19,9 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
+env:
+  JUNITXML: 'test-data.xml'
+
 jobs:
 
   linting:
@@ -38,7 +41,6 @@ jobs:
           black --check --diff .
 
   testing:
-    name: Testing
     needs: linting
     timeout-minutes: 30
     strategy:
@@ -233,7 +235,28 @@ jobs:
         run: |
           bash -el continuous_integration/run_tests.sh
 
+      - name: Upload test results
+        uses: actions/upload-artifact@v4
+        with:
+          name: test-results
+          path: ${{ env.JUNITXML }}
+
       - name: Upload to Codecov
         uses: codecov/codecov-action@v5
         with:
           files: coverage.xml
+
+  # Meta-test to ensure that at least one of the above CI configurations had
+  # the necessary platform settings to execute each test without raising
+  # skipping.
+  post_testing:
+    needs: testing
+    runs-on: ubuntu-latest
+    steps:
+      - name: Download tests artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: test-results
+      - name: Check no test always skipped
+        run: |
+          python continuous_integration/check_no_test_skipped.py 

From f560d4c708058b13313b1c7ec157b91143623854 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 19:16:08 +0100
Subject: [PATCH 63/92] iter

---
 continuous_integration/install.sh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/continuous_integration/install.sh b/continuous_integration/install.sh
index d96f3b8c..43ec5716 100644
--- a/continuous_integration/install.sh
+++ b/continuous_integration/install.sh
@@ -6,6 +6,13 @@ set -xe
 
 UNAMESTR=`uname`
 
+echo $GITHUB_WORKFLOW
+echo $GITHUB_JOB
+echo $GITHUB_ACTION
+echo $GITHUB_RUN_ID
+echo $GITHUB_RUN_NUMBER
+
+
 
 # Install a recent version of clang and libomp if needed
 # Only applicable on linux jobs

From bcae972e509e0260626018e47d33512cba474163 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Fri, 7 Mar 2025 19:50:20 +0100
Subject: [PATCH 64/92] iter

---
 continuous_integration/install.sh | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/continuous_integration/install.sh b/continuous_integration/install.sh
index 43ec5716..8e660c74 100644
--- a/continuous_integration/install.sh
+++ b/continuous_integration/install.sh
@@ -6,11 +6,7 @@ set -xe
 
 UNAMESTR=`uname`
 
-echo $GITHUB_WORKFLOW
-echo $GITHUB_JOB
-echo $GITHUB_ACTION
-echo $GITHUB_RUN_ID
-echo $GITHUB_RUN_NUMBER
+echo $GITHUB_STEP_SUMMARY
 
 
 

From 79fa63465fcfe8721a21e857cf9c00a08d8e514b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sat, 8 Mar 2025 02:42:32 +0100
Subject: [PATCH 65/92] iter

---
 continuous_integration/install.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/continuous_integration/install.sh b/continuous_integration/install.sh
index 8e660c74..5faaa528 100644
--- a/continuous_integration/install.sh
+++ b/continuous_integration/install.sh
@@ -8,6 +8,11 @@ UNAMESTR=`uname`
 
 echo $GITHUB_STEP_SUMMARY
 
+ls -al /Users/runner/work/_temp/_runner_file_commands/
+
+FNAME = $(basename $GITHUB_STEP_SUMMARY)
+echo $FNAME
+
 
 
 # Install a recent version of clang and libomp if needed

From 4f3b12e46e4da48eea753528afaa3977fd8fc761 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sat, 8 Mar 2025 02:44:54 +0100
Subject: [PATCH 66/92] iter

---
 continuous_integration/install.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/continuous_integration/install.sh b/continuous_integration/install.sh
index 5faaa528..2e19f928 100644
--- a/continuous_integration/install.sh
+++ b/continuous_integration/install.sh
@@ -10,7 +10,7 @@ echo $GITHUB_STEP_SUMMARY
 
 ls -al /Users/runner/work/_temp/_runner_file_commands/
 
-FNAME = $(basename $GITHUB_STEP_SUMMARY)
+FNAME=$(basename $GITHUB_STEP_SUMMARY)
 echo $FNAME
 
 

From 5f9c2e67a3b0201a535412caee5e37d80975361b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sat, 8 Mar 2025 02:49:39 +0100
Subject: [PATCH 67/92] iter

---
 continuous_integration/install.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/continuous_integration/install.sh b/continuous_integration/install.sh
index 2e19f928..4ff4f2e2 100644
--- a/continuous_integration/install.sh
+++ b/continuous_integration/install.sh
@@ -8,7 +8,7 @@ UNAMESTR=`uname`
 
 echo $GITHUB_STEP_SUMMARY
 
-ls -al /Users/runner/work/_temp/_runner_file_commands/
+ls -a -l -F /Users/runner/work/_temp/_runner_file_commands/
 
 FNAME=$(basename $GITHUB_STEP_SUMMARY)
 echo $FNAME

From e7d27bbf82fc640efa0f43f37957811c8929c346 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sat, 8 Mar 2025 02:54:04 +0100
Subject: [PATCH 68/92] iter

---
 continuous_integration/install.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/continuous_integration/install.sh b/continuous_integration/install.sh
index 4ff4f2e2..4e067b25 100644
--- a/continuous_integration/install.sh
+++ b/continuous_integration/install.sh
@@ -13,6 +13,8 @@ ls -a -l -F /Users/runner/work/_temp/_runner_file_commands/
 FNAME=$(basename $GITHUB_STEP_SUMMARY)
 echo $FNAME
 
+cat $GITHUB_STEP_SUMMARY
+
 
 
 # Install a recent version of clang and libomp if needed

From 09144737565ce2e95db5e5133d9c35ff63f9b612 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sat, 8 Mar 2025 18:39:15 +0100
Subject: [PATCH 69/92] iter

---
 .github/workflows/test.yml          | 3 ++-
 continuous_integration/run_tests.sh | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 01fd9297..46f38913 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -239,7 +239,7 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: test-results
-          path: ${{ env.JUNITXML }}
+          path: ${{ env.JUNITXML }}*
 
       - name: Upload to Codecov
         uses: codecov/codecov-action@v5
@@ -259,4 +259,5 @@ jobs:
           name: test-results
       - name: Check no test always skipped
         run: |
+          ls -al
           python continuous_integration/check_no_test_skipped.py 
diff --git a/continuous_integration/run_tests.sh b/continuous_integration/run_tests.sh
index 97ac9356..21c19b15 100755
--- a/continuous_integration/run_tests.sh
+++ b/continuous_integration/run_tests.sh
@@ -21,4 +21,4 @@ export MKL_THREADING_LAYER=INTEL
 # launching the tests:
 python -m threadpoolctl -i numpy scipy.linalg #tests._openmp_test_helper.openmp_helpers_inner
 
-pytest -vlrxXs -W error -k "$TESTS" --junitxml=$JUNITXML --cov=threadpoolctl --cov-report xml
+pytest -vlrxXs -W error -k "$TESTS" --junitxml=$JUNITXML$GITHUB_STEP_SUMMARY --cov=threadpoolctl --cov-report xml

From bb6762ce738b58914bec32f438dce7035c250688 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sat, 8 Mar 2025 18:39:51 +0100
Subject: [PATCH 70/92] iter

---
 continuous_integration/install.sh | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/continuous_integration/install.sh b/continuous_integration/install.sh
index 4e067b25..d96f3b8c 100644
--- a/continuous_integration/install.sh
+++ b/continuous_integration/install.sh
@@ -6,16 +6,6 @@ set -xe
 
 UNAMESTR=`uname`
 
-echo $GITHUB_STEP_SUMMARY
-
-ls -a -l -F /Users/runner/work/_temp/_runner_file_commands/
-
-FNAME=$(basename $GITHUB_STEP_SUMMARY)
-echo $FNAME
-
-cat $GITHUB_STEP_SUMMARY
-
-
 
 # Install a recent version of clang and libomp if needed
 # Only applicable on linux jobs

From 5cc79d05c4a3855bc4513f2374311f9164b3e69b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sat, 8 Mar 2025 18:54:02 +0100
Subject: [PATCH 71/92] iter

---
 .github/workflows/test.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 46f38913..767fe102 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -238,7 +238,7 @@ jobs:
       - name: Upload test results
         uses: actions/upload-artifact@v4
         with:
-          name: test-results
+          name: test_result_${{ env.RUN_UNIQUE_ID }}_${{ matrix.step }}
           path: ${{ env.JUNITXML }}*
 
       - name: Upload to Codecov
@@ -256,7 +256,7 @@ jobs:
       - name: Download tests artifacts
         uses: actions/download-artifact@v4
         with:
-          name: test-results
+          name: test_result_${{ env.RUN_UNIQUE_ID }}_*
       - name: Check no test always skipped
         run: |
           ls -al

From 96966277f4750405680ea5dae449674ca77eb537 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sat, 8 Mar 2025 19:02:07 +0100
Subject: [PATCH 72/92] iter

---
 .github/workflows/test.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 767fe102..6059258d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -238,7 +238,7 @@ jobs:
       - name: Upload test results
         uses: actions/upload-artifact@v4
         with:
-          name: test_result_${{ env.RUN_UNIQUE_ID }}_${{ matrix.step }}
+          name: test_result_${{ matrix.name }}
           path: ${{ env.JUNITXML }}*
 
       - name: Upload to Codecov

From f0f8546c35ed8c188119bcde03d86d7b61614a39 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sat, 8 Mar 2025 19:10:09 +0100
Subject: [PATCH 73/92] iter

---
 .github/workflows/test.yml          | 7 +++----
 continuous_integration/run_tests.sh | 2 +-
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6059258d..51dd297e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -19,9 +19,6 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
-env:
-  JUNITXML: 'test-data.xml'
-
 jobs:
 
   linting:
@@ -232,13 +229,15 @@ jobs:
           bash -el continuous_integration/install.sh
 
       - name: Test library
+        env:
+          JUNITXML: test_result_${{ env.RUN_UNIQUE_ID }}_${{ matrix.name }}.xml
         run: |
           bash -el continuous_integration/run_tests.sh
 
       - name: Upload test results
         uses: actions/upload-artifact@v4
         with:
-          name: test_result_${{ matrix.name }}
+          name: test_result_${{ env.RUN_UNIQUE_ID }}_${{ matrix.name }}
           path: ${{ env.JUNITXML }}*
 
       - name: Upload to Codecov
diff --git a/continuous_integration/run_tests.sh b/continuous_integration/run_tests.sh
index 21c19b15..97ac9356 100755
--- a/continuous_integration/run_tests.sh
+++ b/continuous_integration/run_tests.sh
@@ -21,4 +21,4 @@ export MKL_THREADING_LAYER=INTEL
 # launching the tests:
 python -m threadpoolctl -i numpy scipy.linalg #tests._openmp_test_helper.openmp_helpers_inner
 
-pytest -vlrxXs -W error -k "$TESTS" --junitxml=$JUNITXML$GITHUB_STEP_SUMMARY --cov=threadpoolctl --cov-report xml
+pytest -vlrxXs -W error -k "$TESTS" --junitxml=$JUNITXML --cov=threadpoolctl --cov-report xml

From 67071c2b9f4332f5d2bf84418c6372693d29f74a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sat, 8 Mar 2025 19:29:12 +0100
Subject: [PATCH 74/92] iter

---
 .github/workflows/test.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 51dd297e..0490b41b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -230,14 +230,14 @@ jobs:
 
       - name: Test library
         env:
-          JUNITXML: test_result_${{ env.RUN_UNIQUE_ID }}_${{ matrix.name }}.xml
+          JUNITXML: test_result_${{github.run_id}}_${{ matrix.name }}.xml
         run: |
           bash -el continuous_integration/run_tests.sh
 
       - name: Upload test results
         uses: actions/upload-artifact@v4
         with:
-          name: test_result_${{ env.RUN_UNIQUE_ID }}_${{ matrix.name }}
+          name: test_result_${{github.run_id}}_${{ matrix.name }}
           path: ${{ env.JUNITXML }}*
 
       - name: Upload to Codecov
@@ -255,7 +255,7 @@ jobs:
       - name: Download tests artifacts
         uses: actions/download-artifact@v4
         with:
-          name: test_result_${{ env.RUN_UNIQUE_ID }}_*
+          name: test_result_${{github.run_id}}_*
       - name: Check no test always skipped
         run: |
           ls -al

From 65462fcde5840fb54674e4e570678ddb146f1e54 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sat, 8 Mar 2025 20:42:11 +0100
Subject: [PATCH 75/92] iter

---
 .github/workflows/test.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0490b41b..ed30f72e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -230,14 +230,14 @@ jobs:
 
       - name: Test library
         env:
-          JUNITXML: test_result_${{github.run_id}}_${{ matrix.name }}.xml
+          JUNITXML: test_result_${{github.run_id}}_${{ matrix.os }}_${{ matrix.name }}.xml
         run: |
           bash -el continuous_integration/run_tests.sh
 
       - name: Upload test results
         uses: actions/upload-artifact@v4
         with:
-          name: test_result_${{github.run_id}}_${{ matrix.name }}
+          name: test_result_${{github.run_id}}_${{ matrix.os }}_${{ matrix.name }}
           path: ${{ env.JUNITXML }}*
 
       - name: Upload to Codecov

From 5b0032b00cb669afe88622caffde7527aa1924ba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sat, 8 Mar 2025 20:44:37 +0100
Subject: [PATCH 76/92] iter

---
 .github/workflows/test.yml | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ed30f72e..9ac275a7 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -202,7 +202,9 @@ jobs:
             CC_OUTER_LOOP: "gcc"
             CC_INNER_LOOP: "gcc"
 
-    env: ${{ matrix }}
+    env: 
+      ${{ matrix }}
+      JUNITXML: test_result_${{github.run_id}}_${{ matrix.os }}_${{ matrix.name }}.xml
 
     runs-on: ${{ matrix.os }}
 
@@ -229,8 +231,6 @@ jobs:
           bash -el continuous_integration/install.sh
 
       - name: Test library
-        env:
-          JUNITXML: test_result_${{github.run_id}}_${{ matrix.os }}_${{ matrix.name }}.xml
         run: |
           bash -el continuous_integration/run_tests.sh
 
@@ -238,7 +238,7 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: test_result_${{github.run_id}}_${{ matrix.os }}_${{ matrix.name }}
-          path: ${{ env.JUNITXML }}*
+          path: ${{ env.JUNITXML }}
 
       - name: Upload to Codecov
         uses: codecov/codecov-action@v5

From 4782b2aabf1974c9220751c620414ea1c32a5897 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sat, 8 Mar 2025 20:46:21 +0100
Subject: [PATCH 77/92] iter

---
 .github/workflows/test.yml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9ac275a7..05a11975 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -202,8 +202,7 @@ jobs:
             CC_OUTER_LOOP: "gcc"
             CC_INNER_LOOP: "gcc"
 
-    env: 
-      ${{ matrix }}
+    env: ${{ matrix }}
       JUNITXML: test_result_${{github.run_id}}_${{ matrix.os }}_${{ matrix.name }}.xml
 
     runs-on: ${{ matrix.os }}

From 80b404551e9854f6311c00c14a2a1662d76ea453 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sat, 8 Mar 2025 20:51:19 +0100
Subject: [PATCH 78/92] iter

---
 .github/workflows/test.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 05a11975..ff59289d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -203,7 +203,6 @@ jobs:
             CC_INNER_LOOP: "gcc"
 
     env: ${{ matrix }}
-      JUNITXML: test_result_${{github.run_id}}_${{ matrix.os }}_${{ matrix.name }}.xml
 
     runs-on: ${{ matrix.os }}
 
@@ -230,6 +229,8 @@ jobs:
           bash -el continuous_integration/install.sh
 
       - name: Test library
+        env:
+          JUNITXML: test_result_${{github.run_id}}_${{ matrix.os }}_${{ matrix.name }}.xml
         run: |
           bash -el continuous_integration/run_tests.sh
 

From ab98cfef16414507d6dc942a11f246c06b1c44b8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sat, 8 Mar 2025 20:51:47 +0100
Subject: [PATCH 79/92] iter

---
 .github/workflows/test.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ff59289d..26e9b51d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -238,7 +238,7 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: test_result_${{github.run_id}}_${{ matrix.os }}_${{ matrix.name }}
-          path: ${{ env.JUNITXML }}
+          path: test_result_*
 
       - name: Upload to Codecov
         uses: codecov/codecov-action@v5

From 12716a2c8507132c6073599e94b5533f207cb4e9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sat, 8 Mar 2025 21:13:45 +0100
Subject: [PATCH 80/92] iter

---
 .github/workflows/test.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 26e9b51d..818fb766 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -255,7 +255,7 @@ jobs:
       - name: Download tests artifacts
         uses: actions/download-artifact@v4
         with:
-          name: test_result_${{github.run_id}}_*
+          path: test_result_*
       - name: Check no test always skipped
         run: |
           ls -al

From a6dfad935f3da90c99396bc70c6fc496fb3c6d3b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sat, 8 Mar 2025 22:07:05 +0100
Subject: [PATCH 81/92] iter

---
 .github/workflows/test.yml | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 818fb766..a8f61641 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -252,11 +252,16 @@ jobs:
     needs: testing
     runs-on: ubuntu-latest
     steps:
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.12"
       - name: Download tests artifacts
         uses: actions/download-artifact@v4
         with:
-          path: test_result_*
+          name: test_results
       - name: Check no test always skipped
         run: |
           ls -al
+          pwd
           python continuous_integration/check_no_test_skipped.py 

From 1f0ea6cfc327006985bf093c0c77fe1821214713 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sat, 8 Mar 2025 22:39:34 +0100
Subject: [PATCH 82/92] iter

---
 .github/workflows/test.yml | 154 ++++++++++++++++++-------------------
 1 file changed, 77 insertions(+), 77 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a8f61641..94bf4266 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -45,47 +45,47 @@ jobs:
       matrix:
         include:
 
-          - name: pylatest_conda_forge_mkl
-            os: windows-latest
-            PYTHON_VERSION: "*"
-            PACKAGER: "conda-forge"
-            BLAS: "mkl"
-          - name: py310_conda_forge_openblas
-            os: windows-latest
-            PYTHON_VERSION: "3.10"
-            PACKAGER: "conda-forge"
-            BLAS: "openblas"
-          - name: py39_conda
-            os: windows-latest
-            PYTHON_VERSION: "3.9"
-            PACKAGER: "conda"
-          - name: py38_pip
-            os: windows-latest
-            PYTHON_VERSION: "3.8"
-            PACKAGER: "pip"
+          # - name: pylatest_conda_forge_mkl
+          #   os: windows-latest
+          #   PYTHON_VERSION: "*"
+          #   PACKAGER: "conda-forge"
+          #   BLAS: "mkl"
+          # - name: py310_conda_forge_openblas
+          #   os: windows-latest
+          #   PYTHON_VERSION: "3.10"
+          #   PACKAGER: "conda-forge"
+          #   BLAS: "openblas"
+          # - name: py39_conda
+          #   os: windows-latest
+          #   PYTHON_VERSION: "3.9"
+          #   PACKAGER: "conda"
+          # - name: py38_pip
+          #   os: windows-latest
+          #   PYTHON_VERSION: "3.8"
+          #   PACKAGER: "pip"
 
-          # MacOS env with OpenMP installed through homebrew
-          - name: py38_conda_homebrew_libomp
-            os: macos-latest
-            PYTHON_VERSION: "3.8"
-            PACKAGER: "conda"
-            BLAS: "openblas"
-            CC_OUTER_LOOP: "clang"
-            CC_INNER_LOOP: "clang"
-            INSTALL_LIBOMP: "homebrew"
-          # MacOS env with OpenBLAS and OpenMP installed through conda-forge compilers
-          - name: pylatest_conda_forge_clang_openblas
-            os: macos-latest
-            PYTHON_VERSION: "*"
-            PACKAGER: "conda-forge"
-            BLAS: "openblas"
-            INSTALL_LIBOMP: "conda-forge"
-          # MacOS env with FlexiBLAS
-          - name: pylatest_flexiblas
-            os: macos-latest
-            PYTHON_VERSION: "*"
-            INSTALL_BLAS: "flexiblas"
-            PLATFORM_SPECIFIC_PACKAGES: "llvm-openmp"
+          # # MacOS env with OpenMP installed through homebrew
+          # - name: py38_conda_homebrew_libomp
+          #   os: macos-latest
+          #   PYTHON_VERSION: "3.8"
+          #   PACKAGER: "conda"
+          #   BLAS: "openblas"
+          #   CC_OUTER_LOOP: "clang"
+          #   CC_INNER_LOOP: "clang"
+          #   INSTALL_LIBOMP: "homebrew"
+          # # MacOS env with OpenBLAS and OpenMP installed through conda-forge compilers
+          # - name: pylatest_conda_forge_clang_openblas
+          #   os: macos-latest
+          #   PYTHON_VERSION: "*"
+          #   PACKAGER: "conda-forge"
+          #   BLAS: "openblas"
+          #   INSTALL_LIBOMP: "conda-forge"
+          # # MacOS env with FlexiBLAS
+          # - name: pylatest_flexiblas
+          #   os: macos-latest
+          #   PYTHON_VERSION: "*"
+          #   INSTALL_BLAS: "flexiblas"
+          #   PLATFORM_SPECIFIC_PACKAGES: "llvm-openmp"
 
           # Linux environments to test that packages that comes with Ubuntu 20.04
           # are correctly handled.
@@ -164,43 +164,43 @@ jobs:
             CC_OUTER_LOOP: "gcc"
             CC_INNER_LOOP: "clang-18"
 
-          # Linux environments with numpy linked to BLIS
-          - name: pylatest_blis_gcc_clang_openmp
-            os: ubuntu-latest
-            PYTHON_VERSION: "*"
-            INSTALL_BLAS: "blis"
-            BLIS_NUM_THREAEDS: "4"
-            CC_OUTER_LOOP: "gcc"
-            CC_INNER_LOOP: "gcc"
-            BLIS_CC: "clang-18"
-            BLIS_ENABLE_THREADING: "openmp"
-          - name: pylatest_blis_clang_gcc_pthreads
-            os: ubuntu-latest
-            PYTHON_VERSION: "*"
-            INSTALL_BLAS: "blis"
-            BLIS_NUM_THREADS: "4"
-            CC_OUTER_LOOP: "clang-18"
-            CC_INNER_LOOP: "clang-18"
-            BLIS_CC: "gcc-12"
-            BLIS_ENABLE_THREADING: "pthreads"
-          - name: pylatest_blis_no_threading
-            os: ubuntu-latest
-            PYTHON_VERSION: "*"
-            INSTALL_BLAS: "blis"
-            BLIS_NUM_THREADS: "1"
-            CC_OUTER_LOOP: "gcc"
-            CC_INNER_LOOP: "gcc"
-            BLIS_CC: "gcc-12"
-            BLIS_ENABLE_THREADING: "no"
+          # # Linux environments with numpy linked to BLIS
+          # - name: pylatest_blis_gcc_clang_openmp
+          #   os: ubuntu-latest
+          #   PYTHON_VERSION: "*"
+          #   INSTALL_BLAS: "blis"
+          #   BLIS_NUM_THREAEDS: "4"
+          #   CC_OUTER_LOOP: "gcc"
+          #   CC_INNER_LOOP: "gcc"
+          #   BLIS_CC: "clang-18"
+          #   BLIS_ENABLE_THREADING: "openmp"
+          # - name: pylatest_blis_clang_gcc_pthreads
+          #   os: ubuntu-latest
+          #   PYTHON_VERSION: "*"
+          #   INSTALL_BLAS: "blis"
+          #   BLIS_NUM_THREADS: "4"
+          #   CC_OUTER_LOOP: "clang-18"
+          #   CC_INNER_LOOP: "clang-18"
+          #   BLIS_CC: "gcc-12"
+          #   BLIS_ENABLE_THREADING: "pthreads"
+          # - name: pylatest_blis_no_threading
+          #   os: ubuntu-latest
+          #   PYTHON_VERSION: "*"
+          #   INSTALL_BLAS: "blis"
+          #   BLIS_NUM_THREADS: "1"
+          #   CC_OUTER_LOOP: "gcc"
+          #   CC_INNER_LOOP: "gcc"
+          #   BLIS_CC: "gcc-12"
+          #   BLIS_ENABLE_THREADING: "no"
 
-          # Linux env with FlexiBLAS
-          - name: pylatest_flexiblas
-            os: ubuntu-latest
-            PYTHON_VERSION: "*"
-            INSTALL_BLAS: "flexiblas"
-            PLATFORM_SPECIFIC_PACKAGES: "mkl"
-            CC_OUTER_LOOP: "gcc"
-            CC_INNER_LOOP: "gcc"
+          # # Linux env with FlexiBLAS
+          # - name: pylatest_flexiblas
+          #   os: ubuntu-latest
+          #   PYTHON_VERSION: "*"
+          #   INSTALL_BLAS: "flexiblas"
+          #   PLATFORM_SPECIFIC_PACKAGES: "mkl"
+          #   CC_OUTER_LOOP: "gcc"
+          #   CC_INNER_LOOP: "gcc"
 
     env: ${{ matrix }}
 
@@ -259,7 +259,7 @@ jobs:
       - name: Download tests artifacts
         uses: actions/download-artifact@v4
         with:
-          name: test_results
+          path: test_results
       - name: Check no test always skipped
         run: |
           ls -al

From 42c679eb33f57f69e0627c5c0c872f63f976d84e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sat, 8 Mar 2025 22:47:42 +0100
Subject: [PATCH 83/92] iter

---
 .github/workflows/test.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 94bf4266..1b8d611a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -256,10 +256,15 @@ jobs:
         uses: actions/setup-python@v4
         with:
           python-version: "3.12"
+
+      - name: Checkout code
+        uses: actions/checkout@v3
+
       - name: Download tests artifacts
         uses: actions/download-artifact@v4
         with:
           path: test_results
+
       - name: Check no test always skipped
         run: |
           ls -al

From fe79cf8ca8d077536c253c5e07d51dcc33f6719d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sat, 8 Mar 2025 23:03:00 +0100
Subject: [PATCH 84/92] iter

---
 .github/workflows/test.yml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 1b8d611a..ad06db8b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -267,6 +267,5 @@ jobs:
 
       - name: Check no test always skipped
         run: |
-          ls -al
-          pwd
+          ls test_results
           python continuous_integration/check_no_test_skipped.py 

From 3e15f65e4b34ed2cddde4641ae97d0b3eb233e8e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sat, 8 Mar 2025 23:11:37 +0100
Subject: [PATCH 85/92] iter

---
 .github/workflows/test.yml                      | 4 ++--
 continuous_integration/check_no_test_skipped.py | 9 ++++-----
 2 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ad06db8b..8de74c2a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -237,6 +237,7 @@ jobs:
       - name: Upload test results
         uses: actions/upload-artifact@v4
         with:
+          # Requires a unique name for each job in the matrix of this run
           name: test_result_${{github.run_id}}_${{ matrix.os }}_${{ matrix.name }}
           path: test_result_*
 
@@ -267,5 +268,4 @@ jobs:
 
       - name: Check no test always skipped
         run: |
-          ls test_results
-          python continuous_integration/check_no_test_skipped.py 
+          python continuous_integration/check_no_test_skipped.py test_results
diff --git a/continuous_integration/check_no_test_skipped.py b/continuous_integration/check_no_test_skipped.py
index f831d29a..37f64a15 100644
--- a/continuous_integration/check_no_test_skipped.py
+++ b/continuous_integration/check_no_test_skipped.py
@@ -13,12 +13,11 @@
 always_skipped = {}
 
 for name in os.listdir(base_dir):
-    # all test result files are in /base_dir/jobs.*/ dirs
-    if name.startswith("stage1."):
-        print("> processing test result from job", name.replace("stage1", ""))
+    # all test result files are in base_dir/
+    if name.startswith("test_result_"):
+        print(f"> processing test result {name}")
         print("  > tests skipped:")
-        result_file = os.path.join(base_dir, name, "test-data.xml")
-        root = ET.parse(result_file).getroot()
+        root = ET.parse(name).getroot()
 
         # All tests are identified by the xml tag testcase.
         for test in root.iter("testcase"):

From 72bdbebfa252fbbe7a3f76e0044239eac26bb2a4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sat, 8 Mar 2025 23:49:18 +0100
Subject: [PATCH 86/92] iter

---
 continuous_integration/check_no_test_skipped.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/continuous_integration/check_no_test_skipped.py b/continuous_integration/check_no_test_skipped.py
index 37f64a15..55ab1e93 100644
--- a/continuous_integration/check_no_test_skipped.py
+++ b/continuous_integration/check_no_test_skipped.py
@@ -17,7 +17,8 @@
     if name.startswith("test_result_"):
         print(f"> processing test result {name}")
         print("  > tests skipped:")
-        root = ET.parse(name).getroot()
+        result_file = os.path.join(base_dir, name)
+        root = ET.parse(result_file).getroot()
 
         # All tests are identified by the xml tag testcase.
         for test in root.iter("testcase"):

From 0ffdd8f4d98d2c75f5bea60ad24c36be1dbeea83 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sun, 9 Mar 2025 00:17:40 +0100
Subject: [PATCH 87/92] iter

---
 .github/workflows/test.yml                      | 4 +---
 continuous_integration/check_no_test_skipped.py | 6 +++---
 continuous_integration/run_tests.sh             | 2 +-
 3 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 8de74c2a..5b42055b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -229,8 +229,6 @@ jobs:
           bash -el continuous_integration/install.sh
 
       - name: Test library
-        env:
-          JUNITXML: test_result_${{github.run_id}}_${{ matrix.os }}_${{ matrix.name }}.xml
         run: |
           bash -el continuous_integration/run_tests.sh
 
@@ -239,7 +237,7 @@ jobs:
         with:
           # Requires a unique name for each job in the matrix of this run
           name: test_result_${{github.run_id}}_${{ matrix.os }}_${{ matrix.name }}
-          path: test_result_*
+          path: test_result.xml
 
       - name: Upload to Codecov
         uses: codecov/codecov-action@v5
diff --git a/continuous_integration/check_no_test_skipped.py b/continuous_integration/check_no_test_skipped.py
index 55ab1e93..18fd6bc2 100644
--- a/continuous_integration/check_no_test_skipped.py
+++ b/continuous_integration/check_no_test_skipped.py
@@ -13,11 +13,11 @@
 always_skipped = {}
 
 for name in os.listdir(base_dir):
-    # all test result files are in base_dir/
+    # all test result files are in base_dir/test_result_*/ dirs
     if name.startswith("test_result_"):
-        print(f"> processing test result {name}")
+        print(f"> processing test result from job {name.replace('test_result_', '')}")
         print("  > tests skipped:")
-        result_file = os.path.join(base_dir, name)
+        result_file = os.path.join(base_dir, name, "test_result.xml")
         root = ET.parse(result_file).getroot()
 
         # All tests are identified by the xml tag testcase.
diff --git a/continuous_integration/run_tests.sh b/continuous_integration/run_tests.sh
index 97ac9356..b7ea425b 100755
--- a/continuous_integration/run_tests.sh
+++ b/continuous_integration/run_tests.sh
@@ -21,4 +21,4 @@ export MKL_THREADING_LAYER=INTEL
 # launching the tests:
 python -m threadpoolctl -i numpy scipy.linalg #tests._openmp_test_helper.openmp_helpers_inner
 
-pytest -vlrxXs -W error -k "$TESTS" --junitxml=$JUNITXML --cov=threadpoolctl --cov-report xml
+pytest -vlrxXs -W error -k "$TESTS" --junitxml=test_result.xml --cov=threadpoolctl --cov-report xml

From 3832ae5c62abd820d415b46d48219fc2042fa916 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sun, 9 Mar 2025 00:21:43 +0100
Subject: [PATCH 88/92] iter

---
 .github/workflows/test.yml | 152 ++++++++++++++++++-------------------
 1 file changed, 76 insertions(+), 76 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5b42055b..21917ae5 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -45,47 +45,47 @@ jobs:
       matrix:
         include:
 
-          # - name: pylatest_conda_forge_mkl
-          #   os: windows-latest
-          #   PYTHON_VERSION: "*"
-          #   PACKAGER: "conda-forge"
-          #   BLAS: "mkl"
-          # - name: py310_conda_forge_openblas
-          #   os: windows-latest
-          #   PYTHON_VERSION: "3.10"
-          #   PACKAGER: "conda-forge"
-          #   BLAS: "openblas"
-          # - name: py39_conda
-          #   os: windows-latest
-          #   PYTHON_VERSION: "3.9"
-          #   PACKAGER: "conda"
-          # - name: py38_pip
-          #   os: windows-latest
-          #   PYTHON_VERSION: "3.8"
-          #   PACKAGER: "pip"
+          - name: pylatest_conda_forge_mkl
+            os: windows-latest
+            PYTHON_VERSION: "*"
+            PACKAGER: "conda-forge"
+            BLAS: "mkl"
+          - name: py310_conda_forge_openblas
+            os: windows-latest
+            PYTHON_VERSION: "3.10"
+            PACKAGER: "conda-forge"
+            BLAS: "openblas"
+          - name: py39_conda
+            os: windows-latest
+            PYTHON_VERSION: "3.9"
+            PACKAGER: "conda"
+          - name: py38_pip
+            os: windows-latest
+            PYTHON_VERSION: "3.8"
+            PACKAGER: "pip"
 
-          # # MacOS env with OpenMP installed through homebrew
-          # - name: py38_conda_homebrew_libomp
-          #   os: macos-latest
-          #   PYTHON_VERSION: "3.8"
-          #   PACKAGER: "conda"
-          #   BLAS: "openblas"
-          #   CC_OUTER_LOOP: "clang"
-          #   CC_INNER_LOOP: "clang"
-          #   INSTALL_LIBOMP: "homebrew"
-          # # MacOS env with OpenBLAS and OpenMP installed through conda-forge compilers
-          # - name: pylatest_conda_forge_clang_openblas
-          #   os: macos-latest
-          #   PYTHON_VERSION: "*"
-          #   PACKAGER: "conda-forge"
-          #   BLAS: "openblas"
-          #   INSTALL_LIBOMP: "conda-forge"
-          # # MacOS env with FlexiBLAS
-          # - name: pylatest_flexiblas
-          #   os: macos-latest
-          #   PYTHON_VERSION: "*"
-          #   INSTALL_BLAS: "flexiblas"
-          #   PLATFORM_SPECIFIC_PACKAGES: "llvm-openmp"
+          # MacOS env with OpenMP installed through homebrew
+          - name: py38_conda_homebrew_libomp
+            os: macos-latest
+            PYTHON_VERSION: "3.8"
+            PACKAGER: "conda"
+            BLAS: "openblas"
+            CC_OUTER_LOOP: "clang"
+            CC_INNER_LOOP: "clang"
+            INSTALL_LIBOMP: "homebrew"
+          # MacOS env with OpenBLAS and OpenMP installed through conda-forge compilers
+          - name: pylatest_conda_forge_clang_openblas
+            os: macos-latest
+            PYTHON_VERSION: "*"
+            PACKAGER: "conda-forge"
+            BLAS: "openblas"
+            INSTALL_LIBOMP: "conda-forge"
+          # MacOS env with FlexiBLAS
+          - name: pylatest_flexiblas
+            os: macos-latest
+            PYTHON_VERSION: "*"
+            INSTALL_BLAS: "flexiblas"
+            PLATFORM_SPECIFIC_PACKAGES: "llvm-openmp"
 
           # Linux environments to test that packages that comes with Ubuntu 20.04
           # are correctly handled.
@@ -164,43 +164,43 @@ jobs:
             CC_OUTER_LOOP: "gcc"
             CC_INNER_LOOP: "clang-18"
 
-          # # Linux environments with numpy linked to BLIS
-          # - name: pylatest_blis_gcc_clang_openmp
-          #   os: ubuntu-latest
-          #   PYTHON_VERSION: "*"
-          #   INSTALL_BLAS: "blis"
-          #   BLIS_NUM_THREAEDS: "4"
-          #   CC_OUTER_LOOP: "gcc"
-          #   CC_INNER_LOOP: "gcc"
-          #   BLIS_CC: "clang-18"
-          #   BLIS_ENABLE_THREADING: "openmp"
-          # - name: pylatest_blis_clang_gcc_pthreads
-          #   os: ubuntu-latest
-          #   PYTHON_VERSION: "*"
-          #   INSTALL_BLAS: "blis"
-          #   BLIS_NUM_THREADS: "4"
-          #   CC_OUTER_LOOP: "clang-18"
-          #   CC_INNER_LOOP: "clang-18"
-          #   BLIS_CC: "gcc-12"
-          #   BLIS_ENABLE_THREADING: "pthreads"
-          # - name: pylatest_blis_no_threading
-          #   os: ubuntu-latest
-          #   PYTHON_VERSION: "*"
-          #   INSTALL_BLAS: "blis"
-          #   BLIS_NUM_THREADS: "1"
-          #   CC_OUTER_LOOP: "gcc"
-          #   CC_INNER_LOOP: "gcc"
-          #   BLIS_CC: "gcc-12"
-          #   BLIS_ENABLE_THREADING: "no"
+          # Linux environments with numpy linked to BLIS
+          - name: pylatest_blis_gcc_clang_openmp
+            os: ubuntu-latest
+            PYTHON_VERSION: "*"
+            INSTALL_BLAS: "blis"
+            BLIS_NUM_THREAEDS: "4"
+            CC_OUTER_LOOP: "gcc"
+            CC_INNER_LOOP: "gcc"
+            BLIS_CC: "clang-18"
+            BLIS_ENABLE_THREADING: "openmp"
+          - name: pylatest_blis_clang_gcc_pthreads
+            os: ubuntu-latest
+            PYTHON_VERSION: "*"
+            INSTALL_BLAS: "blis"
+            BLIS_NUM_THREADS: "4"
+            CC_OUTER_LOOP: "clang-18"
+            CC_INNER_LOOP: "clang-18"
+            BLIS_CC: "gcc-12"
+            BLIS_ENABLE_THREADING: "pthreads"
+          - name: pylatest_blis_no_threading
+            os: ubuntu-latest
+            PYTHON_VERSION: "*"
+            INSTALL_BLAS: "blis"
+            BLIS_NUM_THREADS: "1"
+            CC_OUTER_LOOP: "gcc"
+            CC_INNER_LOOP: "gcc"
+            BLIS_CC: "gcc-12"
+            BLIS_ENABLE_THREADING: "no"
 
-          # # Linux env with FlexiBLAS
-          # - name: pylatest_flexiblas
-          #   os: ubuntu-latest
-          #   PYTHON_VERSION: "*"
-          #   INSTALL_BLAS: "flexiblas"
-          #   PLATFORM_SPECIFIC_PACKAGES: "mkl"
-          #   CC_OUTER_LOOP: "gcc"
-          #   CC_INNER_LOOP: "gcc"
+          # Linux env with FlexiBLAS
+          - name: pylatest_flexiblas
+            os: ubuntu-latest
+            PYTHON_VERSION: "*"
+            INSTALL_BLAS: "flexiblas"
+            PLATFORM_SPECIFIC_PACKAGES: "mkl"
+            CC_OUTER_LOOP: "gcc"
+            CC_INNER_LOOP: "gcc"
 
     env: ${{ matrix }}
 

From f3cdd72207bfdfac388bbf9b073c59dae730c723 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sun, 9 Mar 2025 01:14:36 +0100
Subject: [PATCH 89/92] iter

---
 tests/test_threadpoolctl.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/test_threadpoolctl.py b/tests/test_threadpoolctl.py
index 6e920924..7f6e090e 100644
--- a/tests/test_threadpoolctl.py
+++ b/tests/test_threadpoolctl.py
@@ -658,7 +658,7 @@ def test_openblas_threading_layer():
 # skip test if not run in a azure pipelines job since it relies on a specific flexiblas
 # installation.
 @pytest.mark.skipif(
-    "TF_BUILD" not in os.environ, reason="not running in azure pipelines"
+    "GITHUB_ACTIONS" not in os.environ, reason="not running in azure pipelines"
 )
 def test_flexiblas():
     # Check that threadpool_info correctly recovers the FlexiBLAS backends.
@@ -696,7 +696,7 @@ def test_flexiblas_switch_error():
 # skip test if not run in a azure pipelines job since it relies on a specific flexiblas
 # installation.
 @pytest.mark.skipif(
-    "TF_BUILD" not in os.environ, reason="not running in azure pipelines"
+    "GITHUB_ACTIONS" not in os.environ, reason="not running in azure pipelines"
 )
 def test_flexiblas_switch():
     # Check that the backend can be switched.

From a1b5cb2364d0cb2ccf8fa567f0acb1c21ee8f935 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sun, 9 Mar 2025 01:28:19 +0100
Subject: [PATCH 90/92] iter

---
 .github/workflows/test.yml | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 21917ae5..a8f07574 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -238,6 +238,7 @@ jobs:
           # Requires a unique name for each job in the matrix of this run
           name: test_result_${{github.run_id}}_${{ matrix.os }}_${{ matrix.name }}
           path: test_result.xml
+          retention-days: 1
 
       - name: Upload to Codecov
         uses: codecov/codecov-action@v5
@@ -247,7 +248,7 @@ jobs:
   # Meta-test to ensure that at least one of the above CI configurations had
   # the necessary platform settings to execute each test without raising
   # skipping.
-  post_testing:
+  meta_test:
     needs: testing
     runs-on: ubuntu-latest
     steps:
@@ -259,7 +260,7 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v3
 
-      - name: Download tests artifacts
+      - name: Download tests results
         uses: actions/download-artifact@v4
         with:
           path: test_results

From 02fbd5094e6081e40c1e197f6e1a6729af715785 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sun, 9 Mar 2025 14:16:26 +0100
Subject: [PATCH 91/92] iter

---
 .azure_pipeline.yml                           | 214 ------------------
 .github/workflows/test.yml                    |   4 +
 continuous_integration/install.cmd            |  38 ----
 continuous_integration/install.sh             |   9 +-
 continuous_integration/install_old.sh         |  95 --------
 continuous_integration/install_with_blis.sh   |  71 ------
 .../install_with_flexiblas.sh                 |  87 -------
 continuous_integration/posix.yml              |  48 ----
 continuous_integration/test_script.cmd        |  10 -
 continuous_integration/upload_codecov.sh      |  15 --
 continuous_integration/windows.yml            |  35 ---
 dev-requirements.txt                          |   1 +
 12 files changed, 8 insertions(+), 619 deletions(-)
 delete mode 100644 .azure_pipeline.yml
 delete mode 100644 continuous_integration/install.cmd
 delete mode 100755 continuous_integration/install_old.sh
 delete mode 100755 continuous_integration/install_with_blis.sh
 delete mode 100755 continuous_integration/install_with_flexiblas.sh
 delete mode 100644 continuous_integration/posix.yml
 delete mode 100644 continuous_integration/test_script.cmd
 delete mode 100755 continuous_integration/upload_codecov.sh
 delete mode 100644 continuous_integration/windows.yml

diff --git a/.azure_pipeline.yml b/.azure_pipeline.yml
deleted file mode 100644
index 44703825..00000000
--- a/.azure_pipeline.yml
+++ /dev/null
@@ -1,214 +0,0 @@
-# Adapted from https://github.com/pandas-dev/pandas/blob/master/azure-pipelines.yml
-
-# Global variables for all jobs
-variables:
-  VIRTUALENV: 'testvenv'
-  JUNITXML: 'test-data.xml'
-  CODECOV_TOKEN: 'cee0e505-c12e-4139-aa43-621fb16a2347'
-
-schedules:
-- cron: "0 1 * * *"  # 1am UTC
-  displayName: Run nightly build
-  branches:
-    include:
-    - master
-  always: true
-
-stages:
-- stage:
-  jobs:
-
-  - job: 'linting'
-    displayName: Linting
-    pool:
-      vmImage: ubuntu-latest
-    steps:
-      - task: UsePythonVersion@0
-        inputs:
-          versionSpec: '3.12'
-      - script: |
-          pip install black==25.1.0
-        displayName: install black
-      - script: |
-          black --check --diff .
-        displayName: Run black
-
-  - template: continuous_integration/windows.yml
-    parameters:
-      name: Windows
-      vmImage: windows-latest
-      matrix:
-        pylatest_conda_forge_mkl:
-          PYTHON_VERSION: '*'
-          PACKAGER: 'conda-forge'
-          BLAS: 'mkl'
-        py310_conda_forge_openblas:
-          PYTHON_VERSION: '3.10'
-          PACKAGER: 'conda-forge'
-          BLAS: 'openblas'
-        py39_conda:
-          PYTHON_VERSION: '3.9'
-          PACKAGER: 'conda'
-        py38_pip:
-          PYTHON_VERSION: '3.8'
-          PACKAGER: 'pip'
-
-  - template: continuous_integration/posix.yml
-    parameters:
-      name: Linux
-      vmImage: ubuntu-20.04
-      matrix:
-        # Linux environment with development versions of numpy and scipy
-        pylatest_pip_dev:
-          PACKAGER: 'pip-dev'
-          PYTHON_VERSION: '*'
-          CC_OUTER_LOOP: 'gcc'
-          CC_INNER_LOOP: 'gcc'
-        # Linux environment to test that packages that comes with Ubuntu 20.04
-        # are correctly handled.
-        py38_ubuntu_atlas_gcc_gcc:
-          PACKAGER: 'ubuntu'
-          APT_BLAS: 'libatlas3-base libatlas-base-dev'
-          PYTHON_VERSION: '3.8'
-          CC_OUTER_LOOP: 'gcc'
-          CC_INNER_LOOP: 'gcc'
-        py38_ubuntu_openblas_gcc_gcc:
-          PACKAGER: 'ubuntu'
-          APT_BLAS: 'libopenblas-base libopenblas-dev'
-          PYTHON_VERSION: '3.8'
-          CC_OUTER_LOOP: 'gcc'
-          CC_INNER_LOOP: 'gcc'
-        # Linux + Python 3.9 and homogeneous runtime nesting.
-        py39_conda_openblas_clang_clang:
-          PACKAGER: 'conda'
-          PYTHON_VERSION: '3.9'
-          BLAS: 'openblas'
-          CC_OUTER_LOOP: 'clang-10'
-          CC_INNER_LOOP: 'clang-10'
-        # Linux environment with MKL and Clang (known to be unsafe for
-        # threadpoolctl) to only test the warning from multiple OpenMP.
-        pylatest_conda_mkl_clang_gcc:
-          PACKAGER: 'conda'
-          PYTHON_VERSION: '*'
-          BLAS: 'mkl'
-          CC_OUTER_LOOP: 'clang-10'
-          CC_INNER_LOOP: 'gcc'
-          TESTS: 'libomp_libiomp_warning'
-        # Linux environment with MKL, safe for threadpoolctl.
-        pylatest_conda_mkl_gcc_gcc:
-          PACKAGER: 'conda'
-          PYTHON_VERSION: '*'
-          BLAS: 'mkl'
-          CC_OUTER_LOOP: 'gcc'
-          CC_INNER_LOOP: 'gcc'
-          MKL_THREADING_LAYER: 'INTEL'
-        # Linux + Python 3.8 with numpy / scipy installed with pip from PyPI
-        # and heterogeneous OpenMP runtimes.
-        py38_pip_openblas_gcc_clang:
-          PACKAGER: 'pip'
-          PYTHON_VERSION: '3.8'
-          CC_OUTER_LOOP: 'gcc'
-          CC_INNER_LOOP: 'clang-10'
-        # Linux environment with numpy from conda-forge channel and openblas-openmp
-        pylatest_conda_forge:
-          PACKAGER: 'conda-forge'
-          PYTHON_VERSION: '*'
-          BLAS: 'openblas'
-          OPENBLAS_THREADING_LAYER: 'openmp'
-          CC_OUTER_LOOP: 'gcc'
-          CC_INNER_LOOP: 'gcc'
-        # Linux environment with no numpy and heterogeneous OpenMP runtimes.
-        pylatest_conda_nonumpy_gcc_clang:
-          PACKAGER: 'conda'
-          NO_NUMPY: 'true'
-          PYTHON_VERSION: '*'
-          CC_OUTER_LOOP: 'gcc'
-          CC_INNER_LOOP: 'clang-10'
-        # Linux environment with numpy linked to BLIS
-        pylatest_blis_gcc_clang_openmp:
-          PACKAGER: 'conda'
-          PYTHON_VERSION: '*'
-          INSTALL_BLAS: 'blis'
-          BLIS_NUM_THREADS: '4'
-          CC_OUTER_LOOP: 'gcc'
-          CC_INNER_LOOP: 'gcc'
-          BLIS_CC: 'clang-10'
-          BLIS_ENABLE_THREADING: 'openmp'
-        pylatest_blis_clang_gcc_pthreads:
-          PACKAGER: 'conda'
-          PYTHON_VERSION: '*'
-          INSTALL_BLAS: 'blis'
-          BLIS_NUM_THREADS: '4'
-          CC_OUTER_LOOP: 'clang-10'
-          CC_INNER_LOOP: 'clang-10'
-          BLIS_CC: 'gcc-8'
-          BLIS_ENABLE_THREADING: 'pthreads'
-        pylatest_blis_no_threading:
-          PACKAGER: 'conda'
-          PYTHON_VERSION: '*'
-          INSTALL_BLAS: 'blis'
-          BLIS_NUM_THREADS: '1'
-          CC_OUTER_LOOP: 'gcc'
-          CC_INNER_LOOP: 'gcc'
-          BLIS_CC: 'gcc-8'
-          BLIS_ENABLE_THREADING: 'no'
-        pylatest_flexiblas:
-          PACKAGER: 'conda'
-          PYTHON_VERSION: '*'
-          INSTALL_BLAS: 'flexiblas'
-          PLATFORM_SPECIFIC_PACKAGES: 'mkl'
-          CC_OUTER_LOOP: 'gcc'
-          CC_INNER_LOOP: 'gcc'
-
-
-  - template: continuous_integration/posix.yml
-    parameters:
-      name: macOS
-      vmImage: macOS-latest
-      matrix:
-        # MacOS environment with OpenMP installed through homebrew
-        py38_conda_homebrew_libomp:
-          PACKAGER: 'conda'
-          PYTHON_VERSION: '3.8'
-          BLAS: 'openblas'
-          CC_OUTER_LOOP: 'clang'
-          CC_INNER_LOOP: 'clang'
-          INSTALL_LIBOMP: 'homebrew'
-        # MacOS env with OpenBLAS and OpenMP installed through conda-forge compilers
-        py39_conda_forge_clang_openblas:
-          PACKAGER: 'conda-forge'
-          PYTHON_VERSION: '*'
-          BLAS: 'openblas'
-          CC_OUTER_LOOP: 'clang'
-          CC_INNER_LOOP: 'clang'
-          INSTALL_LIBOMP: 'conda-forge'
-        # MacOS environment with OpenMP installed through conda-forge compilers
-        pylatest_conda_forge_clang:
-          PACKAGER: 'conda-forge'
-          PYTHON_VERSION: '*'
-          BLAS: 'mkl'
-          CC_OUTER_LOOP: 'clang'
-          CC_INNER_LOOP: 'clang'
-          INSTALL_LIBOMP: 'conda-forge'
-        pylatest_flexiblas:
-          PACKAGER: 'conda'
-          PYTHON_VERSION: '*'
-          INSTALL_BLAS: 'flexiblas'
-          PLATFORM_SPECIFIC_PACKAGES: 'mkl'
-          CC_OUTER_LOOP: 'clang'
-          CC_INNER_LOOP: 'clang'
-
-- stage:
-  jobs:
-  # Meta-test to ensure that at least of the above CI configurations had
-  # the necessary platform settings to execute each test without raising
-  # skipping.
-  - job: 'no_test_always_skipped'
-    displayName: 'No test always skipped'
-    pool:
-      vmImage: ubuntu-latest
-    steps:
-      - download: current
-      - script: |
-          python continuous_integration/check_no_test_skipped.py $(Pipeline.Workspace)
-        displayName: 'No test always skipped'
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a8f07574..1520b10b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -45,20 +45,24 @@ jobs:
       matrix:
         include:
 
+          # Windows env with numpy, scipy,MKL installed through conda-forge
           - name: pylatest_conda_forge_mkl
             os: windows-latest
             PYTHON_VERSION: "*"
             PACKAGER: "conda-forge"
             BLAS: "mkl"
+          # Windows env with numpy, scipy, OpenBLAS installed through conda-forge
           - name: py310_conda_forge_openblas
             os: windows-latest
             PYTHON_VERSION: "3.10"
             PACKAGER: "conda-forge"
             BLAS: "openblas"
+          # Windows env with numpy, scipy installed through conda
           - name: py39_conda
             os: windows-latest
             PYTHON_VERSION: "3.9"
             PACKAGER: "conda"
+          # Windows env with numpy, scipy installed through pip
           - name: py38_pip
             os: windows-latest
             PYTHON_VERSION: "3.8"
diff --git a/continuous_integration/install.cmd b/continuous_integration/install.cmd
deleted file mode 100644
index 40731e05..00000000
--- a/continuous_integration/install.cmd
+++ /dev/null
@@ -1,38 +0,0 @@
-@rem https://github.com/numba/numba/blob/master/buildscripts/incremental/setup_conda_environment.cmd
-@rem The cmd /C hack circumvents a regression where conda installs a conda.bat
-@rem script in non-root environments.
-set CONDA_INSTALL=cmd /C conda install -q -y
-set PIP_INSTALL=pip install -q
-
-@echo on
-
-@rem Deactivate any environment
-call deactivate
-@rem Clean up any left-over from a previous build and install version of python
-conda update -n base conda conda-libmamba-solver -q -y
-conda config --set solver libmamba
-conda remove --all -q -y -n %VIRTUALENV%
-conda create -n %VIRTUALENV% -q -y python=%PYTHON_VERSION%
-
-call activate %VIRTUALENV%
-python -m pip install -U pip
-python --version
-pip --version
-
-@rem Install dependencies with either conda or pip.
-set TO_INSTALL=numpy scipy cython pytest
-
-if "%PACKAGER%" == "conda" (%CONDA_INSTALL% %TO_INSTALL%)
-if "%PACKAGER%" == "conda-forge" (%CONDA_INSTALL% -c conda-forge %TO_INSTALL% blas[build=%BLAS%])
-if "%PACKAGER%" == "pip" (%PIP_INSTALL% %TO_INSTALL%)
-
-@rem Install extra developer dependencies
-pip install -q -r dev-requirements.txt
-
-@rem Install package
-flit install --symlink
-
-@rem Build the cython test helper for openmp
-bash ./continuous_integration/build_test_ext.sh
-
-if %errorlevel% neq 0 exit /b %errorlevel%
diff --git a/continuous_integration/install.sh b/continuous_integration/install.sh
index d96f3b8c..7a958980 100644
--- a/continuous_integration/install.sh
+++ b/continuous_integration/install.sh
@@ -8,7 +8,7 @@ UNAMESTR=`uname`
 
 
 # Install a recent version of clang and libomp if needed
-# Only applicable on linux jobs
+# Only applicable to linux jobs
 if [[ "$CC_OUTER_LOOP" == "clang-18" ]] || \
    [[ "$CC_INNER_LOOP" == "clang-18" ]] || \
    [[ "$BLIS_CC" == "clang-18" ]]
@@ -22,7 +22,7 @@ fi
 
 make_conda() {
     CHANNEL="$1"
-    TO_INSTALL="setuptools $2"
+    TO_INSTALL="$2"
     if [[ "$UNAMESTR" == "Darwin" ]]; then
         if [[ "$INSTALL_LIBOMP" == "conda-forge" ]]; then
             # Install an OpenMP-enabled clang/llvm from conda-forge
@@ -52,10 +52,9 @@ make_conda() {
 
     conda update -n base conda conda-libmamba-solver -q --yes
     conda config --set solver libmamba
+
     conda create -n testenv -q --yes python=$PYTHON_VERSION $TO_INSTALL
     conda activate testenv
-
-    which clang
 }
 
 
@@ -113,8 +112,6 @@ elif [[ "$INSTALL_BLAS" == "flexiblas" ]]; then
 
 fi
 
-echo $CFLAGS
-
 python -m pip install -v -q -r dev-requirements.txt
 bash ./continuous_integration/build_test_ext.sh
 
diff --git a/continuous_integration/install_old.sh b/continuous_integration/install_old.sh
deleted file mode 100755
index d0e8402f..00000000
--- a/continuous_integration/install_old.sh
+++ /dev/null
@@ -1,95 +0,0 @@
-#!/bin/bash
-
-set -e
-
-UNAMESTR=`uname`
-
-if [[ "$CC_OUTER_LOOP" == "clang-10" || "$CC_INNER_LOOP" == "clang-10" ]]; then
-    # Assume Ubuntu: install a recent version of clang and libomp
-    wget https://apt.llvm.org/llvm.sh
-    chmod +x llvm.sh
-    sudo ./llvm.sh 10
-    sudo apt-get install libomp-dev
-fi
-
-make_conda() {
-    TO_INSTALL="$@"
-    if [[ "$UNAMESTR" == "Darwin" ]]; then
-        if [[ "$INSTALL_LIBOMP" == "conda-forge" ]]; then
-            # Install an OpenMP-enabled clang/llvm from conda-forge
-            # assumes conda-forge is set on priority channel
-            TO_INSTALL="$TO_INSTALL compilers llvm-openmp"
-
-            export CFLAGS="$CFLAGS -I$CONDA/envs/$VIRTUALENV/include"
-            export LDFLAGS="$LDFLAGS -Wl,-rpath,$CONDA/envs/$VIRTUALENV/lib -L$CONDA/envs/$VIRTUALENV/lib"
-
-        elif [[ "$INSTALL_LIBOMP" == "homebrew" ]]; then
-            # Install a compiler with a working openmp
-            HOMEBREW_NO_AUTO_UPDATE=1 brew install libomp
-
-            # enable OpenMP support for Apple-clang
-            export CC=/usr/bin/clang
-            export CPPFLAGS="$CPPFLAGS -Xpreprocessor -fopenmp"
-            export CFLAGS="$CFLAGS -I/usr/local/opt/libomp/include"
-            export LDFLAGS="$LDFLAGS -Wl,-rpath,/usr/local/opt/libomp/lib -L/usr/local/opt/libomp/lib -lomp"
-        fi
-    fi
-    conda update -n base conda conda-libmamba-solver -q --yes
-    conda config --set solver libmamba
-    conda create -n $VIRTUALENV -q --yes $TO_INSTALL
-    source activate $VIRTUALENV
-}
-
-if [[ "$PACKAGER" == "conda" ]]; then
-    TO_INSTALL="python=$PYTHON_VERSION pip"
-    if [[ "$NO_NUMPY" != "true" ]]; then
-        TO_INSTALL="$TO_INSTALL numpy scipy blas[build=$BLAS]"
-    fi
-	make_conda $TO_INSTALL
-
-elif [[ "$PACKAGER" == "conda-forge" ]]; then
-    conda config --prepend channels conda-forge
-    conda config --set channel_priority strict
-    TO_INSTALL="python=$PYTHON_VERSION numpy scipy blas[build=$BLAS]"
-    if [[ "$BLAS" == "openblas" && "$OPENBLAS_THREADING_LAYER" == "openmp" ]]; then
-        TO_INSTALL="$TO_INSTALL libopenblas=*=*openmp*"
-    fi
-    make_conda $TO_INSTALL
-
-elif [[ "$PACKAGER" == "pip" ]]; then
-    # Use conda to build an empty python env and then use pip to install
-    # numpy and scipy
-    TO_INSTALL="python=$PYTHON_VERSION pip"
-    make_conda $TO_INSTALL
-    if [[ "$NO_NUMPY" != "true" ]]; then
-        pip install numpy scipy
-    fi
-
-elif [[ "$PACKAGER" == "pip-dev" ]]; then
-    # Use conda to build an empty python env and then use pip to install
-    # numpy and scipy dev versions
-    TO_INSTALL="python=$PYTHON_VERSION pip"
-    make_conda $TO_INSTALL
-
-    dev_anaconda_url=https://pypi.anaconda.org/scientific-python-nightly-wheels/simple
-    pip install --pre --upgrade --timeout=60 --extra-index $dev_anaconda_url numpy scipy
-
-elif [[ "$PACKAGER" == "ubuntu" ]]; then
-    # Remove the ubuntu toolchain PPA that seems to be invalid:
-    # https://github.com/scikit-learn/scikit-learn/pull/13934
-    sudo add-apt-repository --remove ppa:ubuntu-toolchain-r/test
-    sudo apt-get update
-    sudo apt-get install python3-scipy python3-virtualenv $APT_BLAS
-    python3 -m virtualenv --system-site-packages --python=python3 $VIRTUALENV
-    source $VIRTUALENV/bin/activate
-fi
-
-
-python -m pip install -q -r dev-requirements.txt
-bash ./continuous_integration/build_test_ext.sh
-
-python --version
-python -c "import numpy; print(f'numpy {numpy.__version__}')" || echo "no numpy"
-python -c "import scipy; print(f'scipy {scipy.__version__}')" || echo "no scipy"
-
-python -m flit install --symlink
diff --git a/continuous_integration/install_with_blis.sh b/continuous_integration/install_with_blis.sh
deleted file mode 100755
index 06dfc897..00000000
--- a/continuous_integration/install_with_blis.sh
+++ /dev/null
@@ -1,71 +0,0 @@
-#!/bin/bash
-
-set -e
-
-pushd ..
-ABS_PATH=$(pwd)
-popd
-
-# Install a recent version of clang and libomp
-wget https://apt.llvm.org/llvm.sh
-chmod +x llvm.sh
-sudo ./llvm.sh 17
-sudo apt-get install libomp-dev
-
-# create conda env
-conda update -n base conda conda-libmamba-solver -q --yes
-conda config --set solver libmamba
-conda create -n $VIRTUALENV -q --yes -c conda-forge python=$PYTHON_VERSION \
-    pip cython meson-python pkg-config
-source activate $VIRTUALENV
-
-if [[ "$BLIS_CC" == "gcc-8" ]]; then
-    sudo apt install gcc-8
-fi
-
-pushd ..
-
-# build & install blis
-mkdir BLIS_install
-git clone https://github.com/flame/blis.git
-pushd blis
-
-./configure --prefix=$ABS_PATH/BLIS_install --enable-cblas --enable-threading=$BLIS_ENABLE_THREADING CC=$BLIS_CC auto
-make -j4
-make install
-popd
-
-# build & install numpy
-git clone https://github.com/numpy/numpy.git
-pushd numpy
-git submodule update --init
-
-echo "libdir=$ABS_PATH/BLIS_install/lib/
-includedir=$ABS_PATH/BLIS_install/include/blis/
-version=latest
-extralib=-lm -lpthread -lgfortran
-Name: blis
-Description: BLIS
-Version: \${version}
-Libs: -L\${libdir} -lblis
-Libs.private: \${extralib}
-Cflags: -I\${includedir}" > blis.pc
-
-PKG_CONFIG_PATH=$ABS_PATH/numpy/ pip install . -v --no-build-isolation -Csetup-args=-Dblas=blis
-popd
-
-popd
-
-python -m pip install -q -r dev-requirements.txt
-CFLAGS=-I$ABS_PATH/BLIS_install/include/blis \
-    LDFLAGS="-L$ABS_PATH/BLIS_install/lib -Wl,-rpath,$ABS_PATH/BLIS_install/lib" \
-    bash ./continuous_integration/build_test_ext.sh
-
-# Check that BLIS is linked
-ldd tests/_openmp_test_helper/nested_prange_blas.cpython*.so
-
-python --version
-python -c "import numpy; print(f'numpy {numpy.__version__}')" || echo "no numpy"
-python -c "import scipy; print(f'scipy {scipy.__version__}')" || echo "no scipy"
-
-python -m flit install --symlink
diff --git a/continuous_integration/install_with_flexiblas.sh b/continuous_integration/install_with_flexiblas.sh
deleted file mode 100755
index 59eec612..00000000
--- a/continuous_integration/install_with_flexiblas.sh
+++ /dev/null
@@ -1,87 +0,0 @@
-#!/bin/bash
-
-set -e
-
-pushd ..
-ABS_PATH=$(pwd)
-popd
-
-# create conda env
-conda update -n base conda conda-libmamba-solver -q --yes
-conda config --set solver libmamba
-conda create -n $VIRTUALENV -q --yes -c conda-forge python=$PYTHON_VERSION \
-    pip cython openblas $PLATFORM_SPECIFIC_PACKAGES meson-python pkg-config compilers
-source activate $VIRTUALENV
-
-pushd ..
-
-# build & install FlexiBLAS
-mkdir flexiblas_install
-git clone https://github.com/mpimd-csc/flexiblas.git
-pushd flexiblas
-
-# Temporary ping Flexiblas commit to avoid openmp symbols not found at link time
-git checkout v3.4.2 
-
-mkdir build
-pushd build
-
-EXTENSION=".so"
-if [[ $(uname) == "Darwin" ]]; then
-    EXTENSION=".dylib"
-fi
-
-# We intentionally restrict the list of backends to make it easier to
-# write platform agnostic tests. In particular, we do not detect OS
-# provided backends such as macOS' Apple/Accelerate/vecLib nor plaftorm
-# specific BLAS implementations such as MKL that cannot be installed on
-# arm64 hardware.
-cmake ../ -DCMAKE_INSTALL_PREFIX=$ABS_PATH"/flexiblas_install" \
-    -DBLAS_AUTO_DETECT="OFF" \
-    -DEXTRA="OPENBLAS_CONDA" \
-    -DFLEXIBLAS_DEFAULT="OPENBLAS_CONDA" \
-    -DOPENBLAS_CONDA_LIBRARY=$CONDA_PREFIX"/lib/libopenblas"$EXTENSION \
-make
-make install
-
-# Check that all 3 BLAS are listed in FlexiBLAS configuration
-$ABS_PATH/flexiblas_install/bin/flexiblas list
-popd
-popd
-
-# build & install numpy
-git clone https://github.com/numpy/numpy.git
-pushd numpy
-git submodule update --init
-
-echo "libdir=$ABS_PATH/flexiblas_install/lib/
-includedir=$ABS_PATH/flexiblas_install/include/flexiblas/
-version=3.3.1
-extralib=-lm -lpthread -lgfortran
-Name: flexiblas
-Description: FlexiBLAS - a BLAS wrapper
-Version: \${version}
-Libs: -L\${libdir} -lflexiblas
-Libs.private: \${extralib}
-Cflags: -I\${includedir}" > flexiblas.pc
-
-PKG_CONFIG_PATH=$ABS_PATH/numpy/ pip install . -v --no-build-isolation -Csetup-args=-Dblas=flexiblas -Csetup-args=-Dlapack=flexiblas
-popd
-
-popd
-
-python -m pip install -q -r dev-requirements.txt
-CFLAGS=-I$ABS_PATH/flexiblas_install/include/flexiblas \
-    LDFLAGS="-L$ABS_PATH/flexiblas_install/lib -Wl,-rpath,$ABS_PATH/flexiblas_install/lib" \
-    bash ./continuous_integration/build_test_ext.sh
-
-# Check that FlexiBLAS is linked
-if [[ $(uname) != "Darwin" ]]; then
-    ldd tests/_openmp_test_helper/nested_prange_blas.cpython*.so
-fi
-
-python --version
-python -c "import numpy; print(f'numpy {numpy.__version__}')" || echo "no numpy"
-python -c "import scipy; print(f'scipy {scipy.__version__}')" || echo "no scipy"
-
-python -m flit install --symlink
diff --git a/continuous_integration/posix.yml b/continuous_integration/posix.yml
deleted file mode 100644
index a1598d37..00000000
--- a/continuous_integration/posix.yml
+++ /dev/null
@@ -1,48 +0,0 @@
-parameters:
-  name: ''
-  vmImage: ''
-  matrix: []
-
-jobs:
-- job: ${{ parameters.name }}
-  pool:
-    vmImage: ${{ parameters.vmImage }}
-  strategy:
-    matrix:
-      ${{ insert }}: ${{ parameters.matrix }}
-
-  steps:
-    - bash: echo "##vso[task.prependpath]$CONDA/bin"
-      displayName: Add conda to PATH
-      condition: or(startsWith(variables['PACKAGER'], 'conda'), startsWith(variables['PACKAGER'], 'pip'))
-    - bash: sudo chown -R $USER $CONDA
-      # On Hosted macOS, the agent user doesn't have ownership of Miniconda's installation directory/
-      # We need to take ownership if we want to update conda or install packages globally
-      displayName: Take ownership of conda installation
-      condition: eq('${{ parameters.name }}', 'macOS')
-    - script: |
-        continuous_integration/install.sh
-      displayName: 'Install without custom BLAS'
-      condition: eq(variables['INSTALL_BLAS'], '')
-    - script: |
-        continuous_integration/install_with_blis.sh
-      displayName: 'Install with BLIS'
-      condition: eq(variables['INSTALL_BLAS'], 'blis')
-    - script: |
-        continuous_integration/install_with_flexiblas.sh
-      displayName: 'Install with FlexiBLAS'
-      condition: eq(variables['INSTALL_BLAS'], 'flexiblas')
-    - script: |
-        continuous_integration/test_script.sh
-      displayName: 'Test Library'
-    - task: PublishTestResults@2
-      inputs:
-        testResultsFiles: '$(JUNITXML)'
-        testRunTitle: ${{ format('{0}-$(Agent.JobName)', parameters.name) }}
-      displayName: 'Publish Test Results'
-      condition: succeededOrFailed()
-    - publish: $(JUNITXML)
-    - script: |
-        bash continuous_integration/upload_codecov.sh
-      displayName: 'Upload to codecov'
-      condition: succeeded()
diff --git a/continuous_integration/test_script.cmd b/continuous_integration/test_script.cmd
deleted file mode 100644
index 4da20228..00000000
--- a/continuous_integration/test_script.cmd
+++ /dev/null
@@ -1,10 +0,0 @@
-call activate %VIRTUALENV%
-
-# Display version information
-python -m pip list
-
-# Use the CLI to display the effective runtime environment prior to
-# launching the tests:
-python -m threadpoolctl -i numpy scipy.linalg tests._openmp_test_helper.openmp_helpers_inner
-
-pytest -vlrxXs --junitxml=%JUNITXML% --cov=threadpoolctl
diff --git a/continuous_integration/upload_codecov.sh b/continuous_integration/upload_codecov.sh
deleted file mode 100755
index 1fb312c0..00000000
--- a/continuous_integration/upload_codecov.sh
+++ /dev/null
@@ -1,15 +0,0 @@
-#!/bin/bash
-
-set -e
-
-if [[ "$PACKAGER" == "conda" ]]; then
-    source activate $VIRTUALENV
-elif [[ "$PACKAGER" == "pip" ]]; then
-    source activate $VIRTUALENV
-elif [[ "$PACKAGER" == "ubuntu" ]]; then
-    source $VIRTUALENV/bin/activate
-fi
-
-pip install codecov
-
-codecov || echo "codecov upload failed"
diff --git a/continuous_integration/windows.yml b/continuous_integration/windows.yml
deleted file mode 100644
index 7d6e53da..00000000
--- a/continuous_integration/windows.yml
+++ /dev/null
@@ -1,35 +0,0 @@
-
-parameters:
-  name: ''
-  vmImage: ''
-  matrix: []
-
-jobs:
-- job: ${{ parameters.name }}
-  pool:
-    vmImage: ${{ parameters.vmImage }}
-
-  strategy:
-    matrix:
-      ${{ insert }}: ${{ parameters.matrix }}
-
-  steps:
-    - powershell: Write-Host "##vso[task.prependpath]$env:CONDA\Scripts"
-      displayName: Add conda to PATH
-    - script: |
-        continuous_integration\\install.cmd
-      displayName: 'Install'
-    - script: |
-        continuous_integration\\test_script.cmd
-      displayName: 'Test threadpoolctl'
-    - task: PublishTestResults@2
-      inputs:
-        testResultsFiles: '$(JUNITXML)'
-        testRunTitle: ${{ format('{0}-$(Agent.JobName)', parameters.name) }}
-      displayName: 'Publish Test Results'
-      condition: succeededOrFailed()
-    - publish: $(JUNITXML)
-    - script: |
-        bash continuous_integration\\upload_codecov.sh
-      displayName: 'Upload to codecov'
-      condition: succeeded()
diff --git a/dev-requirements.txt b/dev-requirements.txt
index d118f1e7..04901b66 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -3,3 +3,4 @@ coverage
 pytest
 pytest-cov
 cython
+setuptools

From 69099285fa94ece8f05d4e9c9d7097e8870cb9f8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20du=20Boisberranger?=
 <jeremie@probabl.ai>
Date: Sun, 9 Mar 2025 15:08:36 +0100
Subject: [PATCH 92/92] iter

---
 continuous_integration/run_tests.sh | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/continuous_integration/run_tests.sh b/continuous_integration/run_tests.sh
index b7ea425b..f26f0fdc 100755
--- a/continuous_integration/run_tests.sh
+++ b/continuous_integration/run_tests.sh
@@ -14,11 +14,8 @@ elif [[ "$PACKAGER" == "ubuntu" ]]; then
     pip list
 fi
 
-export MKL_THREADING_LAYER=INTEL
-
-
 # Use the CLI to display the effective runtime environment prior to
 # launching the tests:
-python -m threadpoolctl -i numpy scipy.linalg #tests._openmp_test_helper.openmp_helpers_inner
+python -m threadpoolctl -i numpy scipy.linalg tests._openmp_test_helper.openmp_helpers_inner
 
 pytest -vlrxXs -W error -k "$TESTS" --junitxml=test_result.xml --cov=threadpoolctl --cov-report xml