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[BUG] Tests fail on a 2-GPU system

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#802 In NVIDIA/numba-cuda;

· leofang opened on Feb 20, 2026

Implement launch config infrastructure.

Status: Open (in progress).

NVIDIA/numba-cudanumber 804

#804 In NVIDIA/numba-cuda;

· tpn opened on Feb 20, 2026

Reduce kernel launch overhead

Status: Open.

Epic

#477 In NVIDIA/numba-cuda;

· leofang opened on Sep 17, 2025

[FEA] Lower precision data type inference

feature requestNew feature or requestNew feature or request

Status: Open.

Enhancement

#496 In NVIDIA/numba-cuda;

· rparolin opened on Oct 1, 2025

[BUG] Large overhead when launching kernel with torch tensors

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#98 In NVIDIA/numba-cuda;

· gmarkall opened on Dec 30, 2024

[BUG] C ABI passes struct values incorrectly when compiling with compile()

bugSomething isn't workingSomething isn't working

Status: Open.

#175 In NVIDIA/numba-cuda;

· gmarkall opened on Mar 25, 2025

Set up CI testing against Numba main

Status: Open.

#213 In NVIDIA/numba-cuda;

· kkraus14 opened on Apr 14, 2025

[FEA] Coverage reporting

feature requestNew feature or requestNew feature or request

Status: Open.

#346 In NVIDIA/numba-cuda;

· gmarkall opened on Jul 23, 2025

[TASK] Post-CUDA 13 driver fixups

Status: Open.

#386 In NVIDIA/numba-cuda;

· gmarkall opened on Aug 7, 2025

[BUG] Raising an exception or asserting inside a kernel is silently ignored.

bugSomething isn't workingSomething isn't working

Status: Open.

#388 In NVIDIA/numba-cuda;

· brycelelbach opened on Aug 7, 2025

Switch to use CuPy arrays in the test suite

Status: Open.

#472 In NVIDIA/numba-cuda;

· leofang opened on Sep 12, 2025

Support ml_dtypes

feature requestNew feature or requestNew feature or request

Status: Open.

#500 In NVIDIA/numba-cuda;

· leofang opened on Oct 2, 2025

[FEA] Support for __dlpack_capi__

feature requestNew feature or requestNew feature or request

Status: Open.

#531 In NVIDIA/numba-cuda;

· gmarkall opened on Oct 16, 2025

perf: cupy arrays are slower than pytorch tensors as well as DeviceNDArray

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#578 In NVIDIA/numba-cuda;

· cpcloud opened on Nov 4, 2025

[FEA] Allow disabling caching in compile_internal

feature requestNew feature or requestNew feature or request

Status: Open.

#590 In NVIDIA/numba-cuda;

· shwina opened on Nov 14, 2025

test: subTest creates more problems than it solves with pytest >=9

bugSomething isn't workingSomething isn't working

Status: Open.

#637 In NVIDIA/numba-cuda;

· cpcloud opened on Dec 5, 2025

[BUG] _assign_kernel cache not invalidated after ctx.reset()

bugSomething isn't workingSomething isn't working

Status: Open.

#644 In NVIDIA/numba-cuda;

· shaunc opened on Dec 9, 2025

split up objects in cudadrv/driver.py

improvementImproves an existing functionalityImproves an existing functionality

Status: Open.

Enhancement

#645 In NVIDIA/numba-cuda;

· cpcloud opened on Dec 10, 2025

figure out exactly what pickling a stream means

Status: Open.

#648 In NVIDIA/numba-cuda;

· cpcloud opened on Dec 10, 2025

Find libdevice via pathfinder

0 - BlockedCannot progress due to external reasonsCannot progress due to external reasons

Status: Open (in progress).

NVIDIA/numba-cudanumber 798

#798 In NVIDIA/numba-cuda;

· brandon-b-miller opened on Feb 19, 2026

Delegate all path discovery in cuda_paths.py to pathfinder

Status: Open (in progress).

NVIDIA/numba-cudanumber 810

#810 In NVIDIA/numba-cuda;

· cpcloud opened on Feb 26, 2026