【FlexCheckpoint】fix early clearing of communication buffer in resharder

[xingmingyyj]

PR Category

User Experience

PR Types

Bug fixes

Description

fix early clearing of communication buffer in resharder

是否引起精度变化

否

[paddle-bot]

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[codecov-commenter]

Codecov Report

❌ Patch coverage is 10.00000% with 9 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (develop@59ab39b). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
...addle/distributed/flex_checkpoint/dcp/resharder.py	0.00%	9 Missing ⚠️

❌ Your patch status has failed because the patch coverage (10.00%) is below the target coverage (90.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@            Coverage Diff             @@
##             develop   #78575   +/-   ##
==========================================
  Coverage           ?   10.00%           
==========================================
  Files              ?        2           
  Lines              ?       10           
  Branches           ?        0           
==========================================
  Hits               ?        1           
  Misses             ?        9           
  Partials           ?        0           

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[swgu98]

单测需要4卡才能跑，CI覆盖率机器两卡