Minutes_2020_10_06

Numba Meeting: 2020-10-06

Attendees: Todd, Guilherme, Val, Siu, Graham, Stuart, Juan

0. Feature Discussion

• Burndown:

  • NumPy 1.19
    • skip ediff1d test.
      • numpy changed behavior for some edge cases
      • adjusting numba code to match is too big and complicated
      • there's also a bug in numpy.
    • add to CI
  • LLVM 10 build 2, with SVML patch
    • fixes a SVML code-generation bug against AVX512
  • llvmlite enable PIC https://github.com/numba/llvmlite/pull/627
    • for linux & hopefully BSD
  • Refprune LLVM pass being reviewed
    • cleaning up PR but review welcome
  • Check with Todd:
    • https://github.com/numba/numba/pull/6224
    • https://github.com/numba/numba/pull/5892
      • stuart: move commit series to new PR

• Next release plan

  • maybe a patch release for Py3.9

    • should just be one new opcode

  • 0.53.0rc1 plan to tag in Jan 2021

  • Ask:

    • librosa
    • RAPIDS
    • datashader
    • umap
    • poliastro
    • clifford
    • AwkwardArray
    • pydata-sparse
    • stumpy
    • Bodo

  • Protocol:

    • 3 Weeks timebox
    • open an issue on issue tracker and ping major contributors
    • Build and test any projects that we don't hear from ourselves
    • If we don't encounter any issues -> cut the final
    • else: fix until not broken

• Community meeting next week?!

  • type annotation
  • numba-"extras"

1. New Issues

• #6293 - Typer does not propagate return type to all return variables
  • patch 6294
• #6288 - Strange behavior with the mean() function

Closed Issues

• #6301 - Implement np.logspace and np.geomspace
• #6302 - Implement np.gradient
• #6291 - Missing 'same_kind' case in ufunc_find_matching_loop?

2. New PRs

• #6300 - Un-skip tests that were skipped because of #4026.
• #6299 - Fix flake8 violations in numba.cuda.simulator
• #6298 - Fix flake8 violations in numba.cuda.tests.cudadrv
• #6297 - Fix flake8 violations in numba.cuda.tests.cudapy module
• #6296 - Fix flake8 violations in numba.cuda module
• **** #6295 - Enhance inspect_cfg
• #6294 - Make return type propagate to all return variables
• #6292 - Document support for structured array attribute access
• #6290 - CUDA: Add support for complex power
• #6289 - Refactor atomic test cases to reduce code duplication

Closed PRs

• #6303 - Merge cuda flake8 prs

3. Next Release: Version 0.52.0, RC=7th Oct, Final=RC+=~3weeks?

• Requests for 0.52
  • Fast(er) typed.List/typed.Dict? Doesn't have to be in 0.52, next 3-5 months is fine.

4. Upcoming tasks