numba

numba/numba

NumPy aware dynamic Python compiler using LLVM

11.1K stars 1.3K forks 11.1K watchers Python BSD 2-Clause "Simplified" License

compiler cuda llvm numba numpy parallel python

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14 Open Issues Need Help Last updated: Jul 2, 2026

Open Issues Need Help

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Equality tests on floats: add support for math.isclose() and numpy.isclose() 11 days ago

feature_request good first issue

11.1K

NumPy aware dynamic Python compiler using LLVM

Python

#compiler#cuda#llvm#numba#numpy#parallel#python

NumbaPerformanceWarning when array is indeed contiguous 11 days ago

feature_request good first issue good second issue

11.1K

NumPy aware dynamic Python compiler using LLVM

Python

#compiler#cuda#llvm#numba#numpy#parallel#python

Implement .copy() for DeviceNDArray about 1 month ago

feature_request CUDA good first issue

11.1K

NumPy aware dynamic Python compiler using LLVM

Python

#compiler#cuda#llvm#numba#numpy#parallel#python

Function overloads of some NumPy functions with scalar input are not exhaustive 2 months ago

bug good first issue

11.1K

NumPy aware dynamic Python compiler using LLVM

Python

#compiler#cuda#llvm#numba#numpy#parallel#python

NumPy functions with no scalar support 3 months ago

easy numpy good first issue good second issue

11.1K

NumPy aware dynamic Python compiler using LLVM

Python

#compiler#cuda#llvm#numba#numpy#parallel#python

The is operator in the jitted code does not work for structref instance. 3 months ago

good first issue bug - miscompile

11.1K

NumPy aware dynamic Python compiler using LLVM

Python

#compiler#cuda#llvm#numba#numpy#parallel#python

`numba.cpython.iterators.iternext_zip` defined twice 3 months ago

bug good first issue

11.1K

NumPy aware dynamic Python compiler using LLVM

Python

#compiler#cuda#llvm#numba#numpy#parallel#python

Disk cache crashes for exec()'d functions with `__module__=None` 4 months ago

good first issue bug - incorrect behavior

11.1K

NumPy aware dynamic Python compiler using LLVM

Python

#compiler#cuda#llvm#numba#numpy#parallel#python

Confusing error message: "cannot assign slice of shape (47,) from input of shape (48,)" when assigning (47,) array to (48,) slice 4 months ago

good first issue

11.1K

NumPy aware dynamic Python compiler using LLVM

Python

#compiler#cuda#llvm#numba#numpy#parallel#python

`nextafter` (via both `math` and `numpy`) missing for CUDA 4 months ago

feature_request CUDA good first issue

11.1K

NumPy aware dynamic Python compiler using LLVM

Python

#compiler#cuda#llvm#numba#numpy#parallel#python

meta-issue: All NumPy functions with no implementation 6 months ago

easy feature_request numpy good first issue good second issue

11.1K

NumPy aware dynamic Python compiler using LLVM

Python

#compiler#cuda#llvm#numba#numpy#parallel#python

Improve error message for NumPy alias type used as dtype in ArrayNdCtors 7 months ago

feature_request good first issue

11.1K

NumPy aware dynamic Python compiler using LLVM

Python

#compiler#cuda#llvm#numba#numpy#parallel#python

Failure in compile 9 months ago

good first issue bug - failure to compile

11.1K

NumPy aware dynamic Python compiler using LLVM

Python

#compiler#cuda#llvm#numba#numpy#parallel#python

Numpy vecdot support 11 months ago

feature_request good first issue

11.1K

NumPy aware dynamic Python compiler using LLVM

Python

#compiler#cuda#llvm#numba#numpy#parallel#python