【Hackathon 6th No. 27】为 paddle.io.RandomSampler/random_split /Layer.clear_gradients 进行功能增强 #6594
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感谢你贡献飞桨文档，文档预览构建中，Docs-New 跑完后即可预览，预览链接：http://preview-pr-6594.paddle-docs-preview.paddlepaddle.org.cn/documentation/docs/zh/api/index_cn.html |
zhwesky2010
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Apr 8, 2024
* add backednds.cudnn.version * add celu * add torch.distributed.ReduceOp * update some docs * update some docs of PaddlePaddle#6594 * update some docs
zhwesky2010
reviewed
Apr 9, 2024
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| PyTorch 相比 Paddle 支持更多其他参数，具体如下： | ||
| PyTorch 的 `Module.zero_grad` 参数与 Paddle 的 `Layer.clear_gradients` 参数用法不同，具体如下： |
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| ### 参数映射 | ||
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| | PyTorch | PaddlePaddle | 备注 | | ||
| | ----------- | ------------ | ------------------------------------------------ | | ||
| | set_to_none | - | 是否设置为 None，Paddle 无此参数，暂无转写方式。 | | ||
| | set_to_none | set_to_zero | 设置如何清空梯度，PyTorch 默认设置为 None，Paddle 默认设置为 0，需要转写。 | |
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Pytoch直接写None的表现吧，None就是设为True的意思吧
两者功能刚好相反，Paddle需设置为False
写的时候尽量让用户一眼就能直观看明白双方的差异（这个的差异是两者功能刚好相反），所以你要加入一些自己的理解，而不是直接复制原参数介绍
zhwesky2010
approved these changes
Apr 10, 2024
| @@ -9,13 +9,23 @@ torch.nn.Module.zero_grad(set_to_none=True) | |||
| ### [paddle.nn.Layer.clear_gradients](https://www.paddlepaddle.org.cn/documentation/docs/zh/develop/api/paddle/nn/Layer_cn.html#clear-gradients) | |||
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| ```python | |||
| paddle.nn.Layer.clear_gradients() | |||
| paddle.nn.Layer.clear_gradients(set_to_zero=True) | |||
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后面再给 paddle.nn.Layer.clear_gradients 加一个别名 paddle.nn.Layer.clear_grad 吧，这样可以和 paddle.optim.Optimizer.clear_grad 完全对应上
NKNaN
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refer to:
PaddlePaddle/Paddle#62966