Stablize depthwise conv#35161
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jerrywgz merged 3 commits intoPaddlePaddle:developfrom Sep 1, 2021
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… stablize_depthwise_conv
LielinJiang
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Sep 1, 2021
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PR types
Bug fixes
PR changes
OPs
Describe
Stablize depthwise conv. The reduce process in filter gradient kernel is computed in warpreduce followed by atomicadd directly which may cause numerical instability. This PR adds blockreduce after warpreduce to solve the problem.