Fix the race condition in cumsum operator #42205
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leo0519
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wawltor
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* Fix the race condition in cumsum operator * Optimize cumsum operator
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ZeyuChen
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Bug fixes
PR changes
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Describe
Followed by the issue #41932, the cumsum UT failed on P100.
The reason is that the
BlockReversefunction incumsum_ophas race condition.This PR modifies part of codes to avoid hazard.