【Hackathon 6th No.16】为 Paddle 新增 LPPool1D / LPPool2D API

[Asthestarsfalll]

PR Category

Others

PR Types

Others

Description

rfc:

• https://github.com/PaddlePaddle/community/pull/894

中文文档：

• https://github.com/PaddlePaddle/docs/pull/6639

lp pool，前向公式

$$ f(X) = (\sum_{x \in X} x^p)^{\frac{1}{p}} $$

反向公式

$$ grad = \sum_{x \in X} (x^{p - 1} f(X)^{1 - p}) $$

本实现直接借用了 PoolRawKernel，当 norm_type 为 $\infty$ 时，等价与最大池化，因此直接调用了 MaxPool；这样似乎可以直接支持LPPool3D，如果有需求的话。单测结果：

[paddle-bot[bot]]

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[Asthestarsfalll]

@cyber-pioneer 老师大部分CI已通过，请先审一下吧。

[paddle-ci-bot[bot]]

Sorry to inform you that 7c9e1dd's CIs have passed for more than 7 days. To prevent PR conflicts, you need to re-run all CIs manually.

[paddle-ci-bot[bot]]

Sorry to inform you that d1f4508's CIs have passed for more than 7 days. To prevent PR conflicts, you need to re-run all CIs manually.

[cyber-pioneer]

缺少float16和float64的单测？

[cyber-pioneer]

任务完成度很高，手动点赞👍

[luotao1]

@Asthestarsfalll 需要附上 RFC 链接。如果之前的RFC思路和你这儿的有所区别，需要提一个修改 RFC 的PR

[Asthestarsfalll]

@Asthestarsfalll 需要附上 RFC 链接。如果之前的RFC思路和你这儿的有所区别，需要提一个修改 RFC 的PR

已添加～

[paddle-ci-bot[bot]]

Sorry to inform you that 1cba1b5's CIs have passed for more than 7 days. To prevent PR conflicts, you need to re-run all CIs manually.

[Asthestarsfalll]

@cyber-pioneer 老师请审核~