[RFC] dropping CUDA 11.8 support in CI/CD #147383
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module: build
Build system issues
module: cuda
Related to torch.cuda, and CUDA support in general
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zpcore
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Apr 8, 2025
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Hi @miladm , @ysiraichi , CUDA 11.8 is already legacy status. I think we can drop 11.8 for PyTorch/XLA 2.7 release then. |
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May 20, 2025
… to cu126-sm75 (#151594) This PR moves distributed cuda CI job from cuda 11.8 to cuda 12.6. In doing so, a few unit test failures were exposed, some if not all of which would take a while to root-cause and fix, so temporarily skip them after creating the issues. #153479 test_nan_assert tricky behavior (e.g. skip_but_pass_in_sandcastle, ubuntu 20.04 does not work, ubuntu 22.04 works, Amazon Linux 2023 skip - what is Sandcastle OS?) #153122 CUDA context related #153517 NCCL regression, future NCCL may fix it See: #147383 Pull Request resolved: #151594 Approved by: https://github.com/eqy, https://github.com/atalman, https://github.com/cyyever
pytorchmergebot
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May 22, 2025
…12.6 (#151594) This PR moves distributed cuda CI job from cuda 11.8 to cuda 12.6. In doing so, a few unit test failures were exposed, some if not all of which would take a while to root-cause and fix, so temporarily skip them after creating the issues. #153479 test_nan_assert tricky behavior (e.g. skip_but_pass_in_sandcastle, ubuntu 20.04 does not work, ubuntu 22.04 works, Amazon Linux 2023 skip - what is Sandcastle OS?) #153122 CUDA context related #153517 NCCL regression, future NCCL may fix it #154073 skip test_symmetric_memory for cuda 12.6 before it is fixed See: #147383 Pull Request resolved: #151594 Approved by: https://github.com/eqy, https://github.com/atalman, https://github.com/cyyever, https://github.com/huydhn, https://github.com/kwen2501
This was referenced May 23, 2025
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Related to: #145544
Opening this RFC to discuss dropping of CUDA 11.8 possibility and timeline
For PyTorch Release 2.7 we are proceeding with following configuration:
CUDA 11.8, CUDNN 9.1.0.70 - Same as Previous Release 2.6. No changes to CUDA 11.8 - Legacy version
CUDA 12.6 CUDNN 9.x - Version Released to Pypi - Stable version
CUDA 12.8 CUDNN 9.x - New Experimental version
Proposal is to announce removal of CUDA 11.8 at release 2.7 and drop it for release 2.8. Hence dropping support of 11.8 in nightlies for Mar 2025-Jun 2025.
cc @malfet @seemethere @ptrblck @msaroufim @eqy @tinglvv @nWEIdia
Versions
2.7-2.8
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