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Add a reminder for the illegal memory error #3822

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merged 4 commits into from
May 27, 2024
Merged

Add a reminder for the illegal memory error #3822

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bebac62
Add a reminder for the illeagle memory error encountered in the GPU v…
Yi-FanLi May 25, 2024
e84994d
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] May 25, 2024
b89b97b
Update deepmd/utils/batch_size.py
Yi-FanLi May 25, 2024
e46b232
mitigate -> avoid; do not use AI-style language
Yi-FanLi May 25, 2024
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5 changes: 5 additions & 0 deletions deepmd/utils/batch_size.py
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Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,11 @@
self.maximum_working_batch_size = initial_batch_size
if self.is_gpu_available():
self.minimal_not_working_batch_size = 2**31
log.info(

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deepmd/utils/batch_size.py#L64 

Added line #L64 was not covered by tests
"If you encounter the error 'an illegal memory access was encountered', this may be due to a TensorFlow issue. "
"To avoid this, set the environment variable DP_INFER_BATCH_SIZE to a smaller value than the last adjusted batch size. "
"The environment variable DP_INFER_BATCH_SIZE controls the inference batch size (nframes * natoms). "
)
else:
self.minimal_not_working_batch_size = (
self.maximum_working_batch_size + 1
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