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[bug fix] Fix problem where dp grad merge not compatible with ClipGradientByGlobalNorm function #36334

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FeixLiu
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@FeixLiu FeixLiu commented Oct 11, 2021

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fix_dp_grad_merge_with_grad_clip_by_global_norm

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Thanks for your contribution!
Please wait for the result of CI firstly. See Paddle CI Manual for details.

@FeixLiu FeixLiu changed the title fix_dp_grad_merge_with_grad_clip_by_global_norm [bug fix] Fix program where dp grad merge not compatible with ClipGradientByGlobalNorm function Oct 11, 2021
@FeixLiu FeixLiu changed the title [bug fix] Fix program where dp grad merge not compatible with ClipGradientByGlobalNorm function [bug fix] Fix problem where dp grad merge not compatible with ClipGradientByGlobalNorm function Oct 11, 2021
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LGTM

# We need to handle the correct block, otherwise will encounter
# a 'NotFoundError' during compile time.
block = default_main_program().current_block()
block.append_op(
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看下g.block可行否

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可行,但考虑到未来存在更新g.block的可能性,使用current_block是最保险的。

@wangxicoding wangxicoding merged commit 1026052 into PaddlePaddle:develop Oct 11, 2021
@FeixLiu FeixLiu deleted the fix_dp_grad_merge_with_grad_clip_by_global_norm branch October 11, 2021 11:02
FeixLiu added a commit to FeixLiu/Paddle that referenced this pull request Nov 25, 2021
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2 participants