[cherry-pick] Fix the race condition in cumsum operator (#42205) #42500
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* Fix the race condition in cumsum operator * Optimize cumsum operator
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ZeyuChen
approved these changes
May 6, 2022
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PR types
Bug fixes
PR changes
OPs
Describe
The reason is that the BlockReverse function in cumsum_op has race condition.
This PR modifies part of codes to avoid hazard.Followed by the issue #41932,
cherry-pick from the PR #42205