Minutes_2019 04 09

Attendees: Val, Ehsan, Stan, Siu, Stuart, Todd

0. Feature Discussion

• AnacondaCON discussions
  • potential cython integration
• LLVM 8 status
  • Stuart is getting Polly to work
  • exploring adding new targets to build:
    • nvptx, amdgpu, webassembly
    • seems to only add 20MB to llvmlite size
• Support dict and {} syntax
  • will be a follow-up PR to current type-inference PR

1. New issues

• #3955 - Caching for function with objmode context-manager
  • need investigation of how this could be made to work
• #3950 - Feature request, general purpose iteration by dimension over arrays
• #3949 - weird behavior of Records.make_c_struct.
• #3948 - cfunc sig/signature attribute.
• #3934 - numba.errors.NotDefinedError: Variable '$8.2' is not defined
• #3932 - Failed in nopython mode pipeline (step: nopython mode backend)
• #3931 - Reshape fails when nested in loop
• #3930 - Vectorize docs improvement
  • Need to create a flowchart/guide page on how to decide which decorator works for which problems.
• #3929 - Make it so that the numba.__version__ ends up in the reportable error message copy-paste sections.

Already Closed

• #3954 - Numba and google or-tools
• #3953 - numpy searchsorted doesn't work on integer arrays
• #3947 - Error in Nopython mode during for loop usage
• #3945 - Include functools.wraps in wrapers.py for projects using sphinx and numba decorators.

2. Open PRs

• #3957 - Fix gdb launch race condition
• #3956 - Type-inferred dictionary
• #3952 - __mul__ for strings, initial implementation and tests
• #3951 - A guide to overloading
• #3946 - Return variable renaming dict from inline_closurecall
  • Ready to merge
• #3942 - WIP: Add in better type hinting for functions where this is possible.
• #3940 - Isolate mutation on func_ir._definitions
• #3939 - Update icc_rt clone recipe.
  • Ready to merge
• #3937 - [WIP] String to int conversion
• #3936 - Solve DeprecationWarning on Python 3.7.
• #3935 - Silence DeprecationWarning
• #3933 - Adds .bytes property to CUDA device array objects.

already merged

• #3944 - Fixup jitclass docs
• #3943 - fix two small typos in vectorize docs
• #3941 - Fix typing of ufuncs in parfor conversion
• #3938 - Better error message for unknown opcode

Old Active

See https://github.com/numba/numba/projects/10

4. Next Release: Version 0.44, RC=May 20, Final=May 27 week

• LLVM 8
  • fixes twine bug
  • fixes common symbol bug
• Caching improvements requirement gathering
  • transitive dependency
  • bug related to storing runtime-only info
  • may punt on jitclasses
  • may punt on issues of (g)ufunc
  • future: pre-filled/package-able cache
    • open questions:
      • numba version pinning(?)
      • regen cache for different numba versions
      • regen at post-install