[FP8][cuBLAS][H100] only test fp32 outputs for rowwise _scaled_mm on H100
#162022
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eqy
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module: cublas
🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/162022
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zou3519
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ngimel
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Sep 18, 2025
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| # only cuBLAS supports rowwise with fp32 output and cuBLAS only supports | ||
| # rowwise on SM 9.0 | ||
| if torch.cuda.get_device_capability != (9, 0) and output_dtype == torch.float: |
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but H100 is sm_90 so the test should not have been failing?
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This is added by the PR and checks that it indeed fails on non-sm90?
ngimel
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Sep 19, 2025
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@ngimel is right, `ciflow/h100` doesn't actually appear to test the PR :( Pull Request resolved: #163354 Approved by: https://github.com/ngimel, https://github.com/Skylion007
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Sep 22, 2025
…n H100 (pytorch#162022) only cuBLAS supports float32 output and cuBLAS only supports rowwise for SM 9.0 Intended to land after pytorch#161305 Pull Request resolved: pytorch#162022 Approved by: https://github.com/ngimel
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Sep 22, 2025
@ngimel is right, `ciflow/h100` doesn't actually appear to test the PR :( Pull Request resolved: pytorch#163354 Approved by: https://github.com/ngimel, https://github.com/Skylion007
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Sep 22, 2025
…n H100 (pytorch#162022) only cuBLAS supports float32 output and cuBLAS only supports rowwise for SM 9.0 Intended to land after pytorch#161305 Pull Request resolved: pytorch#162022 Approved by: https://github.com/ngimel
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Sep 22, 2025
@ngimel is right, `ciflow/h100` doesn't actually appear to test the PR :( Pull Request resolved: pytorch#163354 Approved by: https://github.com/ngimel, https://github.com/Skylion007
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Sep 26, 2025
…n H100 (pytorch#162022) only cuBLAS supports float32 output and cuBLAS only supports rowwise for SM 9.0 Intended to land after pytorch#161305 Pull Request resolved: pytorch#162022 Approved by: https://github.com/ngimel
dsashidh
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Sep 26, 2025
@ngimel is right, `ciflow/h100` doesn't actually appear to test the PR :( Pull Request resolved: pytorch#163354 Approved by: https://github.com/ngimel, https://github.com/Skylion007
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only cuBLAS supports float32 output and cuBLAS only supports rowwise for SM 9.0
Intended to land after #161305
cc @csarofeen @ptrblck @xwang233