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@zhwesky2010 zhwesky2010 commented Jan 18, 2021

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cherry-pick #30553

fix bug of multicard grad ncclAllReduce, the gradient accumulater of parameters should be keep order, otherwsie, it will influence multicard ncclAllReduce of grad.

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@zhwesky2010 zhwesky2010 force-pushed the fix_ncclallreduce_2.0 branch from 7999d79 to 6096724 Compare January 19, 2021 03:33
@zhwesky2010 zhwesky2010 force-pushed the fix_ncclallreduce_2.0 branch from 6096724 to 5524fe9 Compare January 19, 2021 04:10
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LGTM

@lanxianghit lanxianghit merged commit 9605838 into PaddlePaddle:release/2.0 Jan 19, 2021
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5 participants