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ci: add tango for interleaved benchmarking #3

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7abdfd3
ci: add tango for interleaved benchmarking
Coffeeri Oct 31, 2025
970944f
ci: add missing tango bench target
Coffeeri Oct 31, 2025
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30 changes: 30 additions & 0 deletions .github/workflows/ci.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -52,8 +52,38 @@ jobs:
- name: Install iai-callgrind-runner
run: cargo install --locked --version 0.16.1 iai-callgrind-runner

- name: Install cargo-export
run: cargo install --locked cargo-export

- name: Export runner path
run: echo "IAI_CALLGRIND_RUNNER=$(which iai-callgrind-runner)" >> "$GITHUB_ENV"

- name: Run benchmarks
run: cargo bench --bench byte_set

- name: Prepare Tango baseline (main)
run: |
git fetch origin main
git worktree add ../tango-baseline origin/main
mkdir -p ../tango-baseline-artifacts
pushd ../tango-baseline
if cargo bench --bench byte_set_tango --no-run >/dev/null 2>&1; then
cargo export ../tango-baseline-artifacts -- bench --bench=byte_set_tango
echo "TANGO_BASELINE_READY=1" >> "$GITHUB_ENV"
else
echo "Tango bench target missing on baseline; skipping compare."
echo "TANGO_BASELINE_READY=0" >> "$GITHUB_ENV"
fi
popd

- name: Run Tango benchmarks vs main
run: |
if [ "${TANGO_BASELINE_READY:-0}" != "1" ]; then
echo "Skipping Tango compare; baseline missing bench target."
exit 0
fi
cargo bench -q --bench byte_set_tango -- compare ../tango-baseline-artifacts/byte_set_tango --fail-threshold 1.0 --fail-fast

- name: Cleanup Tango baseline
if: always()
run: git worktree remove --force ../tango-baseline || true
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