[Dygraph] Fix EagerReducer::MarkVarReady() 's lank of HasGrad() branch
#62299
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wanghuancoder
approved these changes
Mar 4, 2024
chen2016013
changed the title
EagerReducer::MarkVarReady() 's lank of HasGrad()
chen2016013
changed the title
EagerReducer::MarkVarReady() 's lank of HasGrad()EagerReducer::MarkVarReady() 's lank of HasGrad() branch
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Description
Pcard-67164
EagrReducer的MarkVarReady函数缺少HasGrad()分支判断，相应的GradVar如果没有被initialized，会在该函数内报出segmentation fault
问题来源：PaddleDetection部分模型的多卡运行