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[PIR]Support PassStopGradients mechanism and Set stop_gradient as True #57255
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YuanRisheng
previously approved these changes
Sep 13, 2023
cyber-pioneer
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Sep 13, 2023
3b29e1e
YuanRisheng
previously approved these changes
Sep 14, 2023
YuanRisheng
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Sep 15, 2023
danleifeng
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Nov 14, 2023
PaddlePaddle#57255) * [PIR]Set stop_gradient as True and is_persistable as False * add PassStopGradients for build op * fix unittest * fix lint * fix uint32_t * fix ut
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Description
Pcard-67164
对于一个Op,只要它其中一个输入的stop_gradient = False,则其输出的stop_gradient 就应该为 False.
TODO: 是否需要特殊处理一批本身无梯度定义的输出,比如Index_xx类的算子,其返回的index本身是没有梯度的。