Minutes_2022_05_24

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Numba Meeting: 2022-05-24

Attendees: Siu Kwan Lam, Andre Masella, Benjamin Graham, Graham Markall, LI Da, stuart, Todd A. Anderson, Val, Guilherme Leobas, Shannon Quinn, Luk

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

Please refer to this calendar for the next meeting date.

0. Discussion

Numba 0.55.2 & llvmlite 0.38.1 Release status
- llvmlite 0.38.1 is out
- Numba 0.55.2
  - backported 1.22.3
Numba 0.56.0

1. New Issues

#8062 - Jit functions with optional shape arguments for creating numpy arrays
#8066 - Numba 0.55.2 Checklist
#8076 - Please document required versions in installation documentation
#8085 - cache=True slow for parallel target
#8087 - ModuleNotFoundError: No module named 'numba.misc'
#8090 - BUG: Memory leak when PyModule_AddObject fails (static analyzer report)
#8091 - BUG: Memory leak when the module created by MOD_DEF is not decreased on failure (static analyzer report)
#8092 - BUG: Memory leak due to new reference is not decreased on failure (static analyzer reports)
#8095 - cuda stubs raising mypy SyntaxError
#8101 - Bad multithreaded performance of allocations
#8105 - Missing check for failed allocation in nrt.c
#8107 - scipy-1.8.1 breaks numba. Downgrade fixes issues.

llvmlite

#838 - Segfault calling llvm function from ctypes under Python 3.10
#839 - Building from source: should llvm_11_consecutive_registers.patch be used?
#840 - llvmlite 0.38.1 checklist
#843 - Cross-building from M1 to x86 may not work

Closed Issues

#8063 - call insert method on reflect list(NamedTuple) reports segfault
#8086 - Occasional finalizer exceptions in CUDA target
#8088 - BUG: Double free in function MOD_INIT(_devicearray) due to unnecessary refcnt decrement (static analyzer report)
#8096 - Potential regression in libopenblas 0.3.20 for M1

2. New PRs

#8061 - Migrate glue_lowering to overload_method where easy
#8064 - Rename "nb:run_pass" to "numba:run_pass" and document it.
#8065 - Fix PyLowering mishandling starargs
#8068 - update changelog for 0.55.2
#8077 - change return type of np.broadcast_shapes to a tuple
#8081 - Fix erroneous array count in parallel gufunc kernel generation.
#8083 - Misc/backport0.55 combine
#8084 - Pin meta.yaml to llvmlite 0.38 series
#8089 - [WIP] CUDA caching
#8098 - Backport #8097: Exclude libopenblas 0.3.20 on osx-arm64
#8102 - Combine numpy run_constrained in meta.yaml to the run requirements
#8103 - Backport #8102 to fix numpy requirements
#8104 - WIP: support numpy array comparison with string
#8106 - Remove injection of atomic JIT functions into NRT memsys.

llvmlite:

#846 - Cherry-Pick: #842 --> main :Changelog for 0.38.1

Closed PRs

#8067 - Backport #8027: Support for NumPy 1.22
#8069 - Install llvmlite 0.38 for Numba 0.55.*
#8070 - Release0.55
#8071 - Combine #8067 #8069
#8072 - Combine patches needed for 0.55.2
#8073 - minimal rename from master to main for CI only
#8074 - 0.55.2/update max numpy
#8075 - update max NumPy for 0.55.2
#8078 - Backport #7804: update local references from master -> main
#8079 - [WIP] on-disk caching of CUDA kernels
#8080 - Fix windows test failure due to timeout when the machine is slow poss…
#8082 - Backport #8080: fix windows failure due to timeout
#8093 - Backport #7904: Support m1
#8094 - Backport #8052 Ensure pthread is linked in when building for ppc64le.
#8097 - Exclude libopenblas 0.3.20 on osx-arm64
#8099 - Fix Py_DECREF use in case of error state (for devicearray).
#8100 - Backport #7786 for 0.55.2: Remove dependency on intel-openmp for OSX

llvmlite

#841 - Merge pull request #813 from seibert/m1_support
#842 - Changelog for 0.38.1
#844 - use 10.15 as OSX image for llvmlite builds
#845 - Backport #786 for 0.38.1

3. Next Release: Version 0.56.0/0.39.0, RC May

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