pt: fix se_a type_one_side performance degradation#3361
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wanghan-iapcm merged 1 commit intodeepmodeling:develfrom Feb 29, 2024
Merged
pt: fix se_a type_one_side performance degradation#3361wanghan-iapcm merged 1 commit intodeepmodeling:develfrom
wanghan-iapcm merged 1 commit intodeepmodeling:develfrom
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Signed-off-by: Jinzhe Zeng <jinzhe.zeng@rutgers.edu>
Codecov ReportAll modified and coverable lines are covered by tests ✅
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## devel #3361 +/- ##
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Coverage 75.85% 75.86%
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Files 416 416
Lines 34908 34914 +6
Branches 1614 1614
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+ Hits 26480 26486 +6
Misses 7560 7560
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The code in this PR is ugly, but applying a mask is causing performance degradation for ~3 ms/step. When applying a mask, `aten::nonzero` has a high host time, as it causes host-device synchronization:  After fixing:  See pytorch/pytorch#12461 for more information. Signed-off-by: Jinzhe Zeng <jinzhe.zeng@rutgers.edu>
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Is the exclude_mask has side effect on the performance? |
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It has a different problem. It seems the integer index is slow: pytorch/pytorch#15245 I haven't tested it. |
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The code in this PR is ugly, but applying a mask is causing performance degradation for ~3 ms/step.
When applying a mask,
aten::nonzerohas a high host time, as it causes host-device synchronization:After fixing:
See pytorch/pytorch#12461 for more information.