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[WeeklyReport] YibinLiu666 2024.03.09~2024.03.22 (#169)
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* add first weekly report

* Update WeeklyReports/Hackathon_6th/09_YibinLiu666/[WeeklyReports] 2024.02.25~2024.03.08.md

* second week

* update

* Update WeeklyReports/Hackathon_6th/09_YibinLiu666/[WeeklyReports]2024.03.09~2024.03.22.md

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Co-authored-by: HydrogenSulfate <[email protected]>
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YibinLiu666 and HydrogenSulfate authored Mar 29, 2024
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### 姓名
YibinLiu666

### 实习项目
高阶微分的性能分析和优化

### 本周工作

1. **高阶微分大算子性能优化**

* 优化add_double_grad大算子性能:https://github.com/PaddlePaddle/Paddle/pull/62474
* 优化divide_double_grad大算子性能 (一直在给这个优化debug,问题有点小多):https://github.com/PaddlePaddle/Paddle/pull/62533


2. **高阶微分算子组合单测添加**

* 添加高阶微分算子的组合实现的单测


3. **问题疑惑与解答**

### 下周工作

1. merge现在提交的pr,补全单测
2. 进一步优化divide_double_grad
3. 阅读fft算子的相关文档,理解原理后尝试优化FFTC2RGradKernel

### 导师点评
DivideDoubleGrad算子需要考虑张量广播以及变量复用的情况,较为复杂,益斌认真解决了原有的BUG并优化了速度 👍 。

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