Minutes_2024_05_07

Numba Meeting: 2024-05-07

Attendees: FPOC (last week): FPOC (incoming):

NOTE: All communication is subject to the Numba Code of Conduct.

Please refer to this calendar for the next meeting date.

0. Discussion

• Numba 0.60.0rc1 and llvmlite 0.43.0rc1 status.

  • llvmlite at pre-tag testing phase
  • numba a little further behind

• NumPy 2.0 support update.

• PIXIE status update.

• Discussion on compile times and whether it's possible to not lower all the way to machine code for every function in a call graph.

  • https://github.com/numba/numba-examples/blob/master/notebooks/Numba_053_profiling_the_compiler.ipynb
  • https://numba.readthedocs.io/en/stable/developer/event_api.html
  • https://numba.readthedocs.io/en/stable/reference/envvars.html#envvar-NUMBA_CHROME_TRACE

• LLVM opt pass ordering.

  • discussion on whether it'd be better to run less aggressive/specific optimisations on functions prior to their inclusion in the final module for an entry point.

• Extend cache invalidation to include changes in other files (#8396)

• Calling typing_context.refresh in call_overload #9524.

New "Ready for Review" PRs

1. New Issues

• numba#9554 Segfault in np.power involving integers and fastmath
• numba#9555 Numba with TBB warning, disabled
• numba#9556 assert disabling debug option for numba jit compilation
• numba#9557 Add support for providing signatures for jitted functions that accept functions as arguments
• numba#9560 test_linalg_matrix_power fails due to tolerance issues when built against lapack

2. New PRs

• numba#9553 Enable caching functions arising from exec of strings (continued)
• numba#9558 Added 0.60.0 release notes
• numba#9559 Update version support table 0.60
• llvmlite#1046 Add basic infra required to move Numba to NewPassManager

3. Short-term Roadmap

2024-gantt: https://github.com/numba/numba/issues/9540