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[Random op] remove FLAGS_use_curand of all Random OP's CUDA implementation #41308

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merged 1 commit into from
Apr 7, 2022
Merged

[Random op] remove FLAGS_use_curand of all Random OP's CUDA implementation #41308

merged 1 commit into from
Apr 7, 2022

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zhwesky2010
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@zhwesky2010 zhwesky2010 commented Apr 2, 2022 •
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PR types

Performance optimization

PR changes

OPs

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对 随机数系列OP 进行了整体升级，采用性能优的CUDA并行式 随机数算法curandStatePhilox4_32_10_t，并添加了不兼容保护开关FLAGS_use_curand，共涉及到以下PR：

  1. [Random op]optimize CUDA implementation of dropout OP #40874
  2. [Random op]optimize CUDA implementation of multinomial OP #40752
  3. [Random op]optimize CUDA implementation of randperm OP #40464
  4. [Random op]optimize CUDA implementaion of randint OP #39952
  5. [Random op]optimize CUDA implementaion of bernoulli OP #39732
  6. [Random op]optimize CUDA implementaion of uniform/gaussian OP #38611
  7. [Random op]add new API/OP:paddle.Tensor.exponential_ #38256
  8. [Random op]add new API/OP: paddle.poisson #38117

该PR是上面所有PR的最终升级PR，将移除不兼容保护开关FLAGS_use_curand，对性能有2~145倍提升，具体性能加速数据如下：

infoflow 2022-04-06 15-45-22

注：该PR仅改变上述API/OP的随机数采样方式，仅改变采样值，概率密度函数不变，理论上对模型不产生收敛影响。

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paddle-bot-old bot commented Apr 2, 2022

你的PR提交成功，感谢你对开源项目的贡献!
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@zhwesky2010 zhwesky2010 changed the title 1 remove FLAGS_use_curand and change all random op CUDA implementation remove FLAGS_use_curand and change all random op CUDA implementation Apr 2, 2022
@zhwesky2010 zhwesky2010 changed the title remove FLAGS_use_curand and change all random op CUDA implementation [Random op] remove FLAGS_use_curand for all random op's CUDA implementation Apr 2, 2022
@zhwesky2010 zhwesky2010 changed the title [Random op] remove FLAGS_use_curand for all random op's CUDA implementation [Random op] remove FLAGS_use_curand for all Random OP's CUDA implementation Apr 2, 2022
@zhwesky2010 zhwesky2010 mentioned this pull request Apr 6, 2022
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@zhwesky2010 zhwesky2010 changed the title [Random op] remove FLAGS_use_curand for all Random OP's CUDA implementation [Random op] remove FLAGS_use_curand of all Random OP's CUDA implementation Apr 6, 2022
XiaoguangHu01
XiaoguangHu01 approved these changes Apr 7, 2022
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LGTM

jeff41404
jeff41404 approved these changes Apr 7, 2022
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LGTM

@zhwesky2010 zhwesky2010 merged commit 9714878 into PaddlePaddle:develop Apr 7, 2022
douch pushed a commit to douch/Paddle that referenced this pull request Apr 10, 2022
@zhwesky2010
remove FLAGS_use_curand and change all random op CUDA implementation (P…
0372a4d 
…addlePaddle#41308)
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@jeff41404 jeff41404 jeff41404 approved these changes

@XiaoguangHu01 XiaoguangHu01 XiaoguangHu01 approved these changes

@lanxianghit lanxianghit lanxianghit approved these changes

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@zhwesky2010 @jeff41404 @XiaoguangHu01 @lanxianghit