optimize elementwise_min_grad using new reduce interface #38236
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… elem_min_grad_new
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Avin0323
approved these changes
Jan 12, 2022
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PR types
Performance optimization
PR changes
OPs
Describe
功能
该PR使用Reduce接口优化了elementwise_min的反向计算
效果
以下是op-benchmark效果，其中「paddle优化1」 表示使用Reduce初步优化效果；「paddle优化2」表示进一步优化，即三元计算替换二元计算后的优化效果：
整体上，效果与elementwise_max_grad几乎相同：优化3（适配多输出代码优化后)较优化1（reduce接口优化)、优化2（三元functor优化）均有显著提升；但当前前两个配置差于dev 10%左右；