add (N,C,*) input support for GroupNorm#34773
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jerrywgz merged 3 commits intoPaddlePaddle:developfrom Aug 20, 2021
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python/paddle/nn/layer/norm.py
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| Shape: | ||
| - x: 4-D tensor with shape: (batch, num_features, height, weight). | ||
| - output: 4-D tensor with same shape as input x. | ||
| - x: Tensor with shape: (N, C, *), where N is batch_size, C is num_features. |
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这里需要说明得更清晰些，比如tensor size的要求，不同的layout对应的shape也应该是不一样的。另外需要更新下fluiddoc下的中文文档
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目前该API只支持NCHW layout输入，参考相似API，中文文档已修改。
fluid doc预览
jerrywgz
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Aug 17, 2021
dingjiaweiww
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Aug 19, 2021
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Describe
The nn.GroupNorm is only support 4-D input now. However, there is no shape check for input tensor. So there are two type problems.
What this PR did: