make VMIL'19 plots

[bennn]

Make plots with:

• a few configurations on the X axis
• overhead, or exact runtime, on the Y

Think about coloring interesting bars

Start by plotting all 1-type configurations, try to generalize before pushing

Idea from:

  @inproceedings{grmhn-vmil-2019,
    title = {Which of My Transient Type Checks Are Not (Almost) Free?},
    author = {Gariano, Isaac Oscar and Roberts, Richard and Marr, Stefan and Homer, Michael and Noble, James},
    booktitle = {{VMIL}},
    pages = {58--66},
    year = {2019}
  }

Picture (on right):