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[cherry-pick] Optimize performance of dygraph (#42231, #42253) #42309

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merged 3 commits into from
Apr 28, 2022

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zyfncg
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@zyfncg zyfncg commented Apr 27, 2022

PR types

Performance optimization

PR changes

Others

Describe

  • sum api性能优化:
    • 将sum的Python代码中对于dtype的处理转移到C++中,sum api接口整体性能提升超20%
    • IsDenseTensorInput处理逻辑优化
  • KernelSignature添加移动构造函数和移动赋值函数。

* optimize the performanece of sum api

* optimize IsDenseTensorInput

* remove debug log
* add move construct for KernelSignature

* add noexcept
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@phlrain phlrain merged commit 69a92b7 into PaddlePaddle:release/2.3 Apr 28, 2022
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3 participants