Add grad_name_map to record correspondences between vars and grad_vars #4794
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JiayiFeng
changed the title
JiayiFeng
changed the title
jacquesqiao
reviewed
Oct 13, 2017
paddle/framework/backward.cc
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| const OperatorBase& op, | ||
| const std::unordered_set<std::string>& no_grad_set) { | ||
| const OperatorBase& op, const std::unordered_set<std::string>& no_grad_set, | ||
| std::unordered_map<std::string, std::string>* grad_name_map) { |
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maybe grad_name_map ==> grad_to_var? or some better name.
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Actually, we do not need change runtime implementation. But, just leave it there is OK.
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