Update docs (#7104)

* update docs

* update docs

* update docs

* update docs

Author: Xuxuanang

docs/guides/model_convert/convert_from_pytorch/api_difference/nn/torch.nn.modules.module.register_module_forward_hook.md

@@ -1,8 +1,8 @@
-## [ torch 参数更多 ]torch.nn.modules.module.register_module_forward_hook
+## [ 组合替代实现 ]torch.nn.modules.module.register_module_forward_hook
 ### [torch.nn.modules.module.register_module_forward_hook](https://pytorch.org/docs/stable/generated/torch.nn.modules.module.register_module_forward_hook.html)
 
 ```python
-torch.nn.modules.module.register_module_forward_hook(hook, *, prepend=False, with_kwargs=False, always_call=False)
+torch.nn.modules.module.register_module_forward_hook(hook, *, always_call=False)
 ```
 
 ### [paddle.nn.Layer.register_forward_post_hook](https://www.paddlepaddle.org.cn/documentation/docs/zh/develop/api/paddle/nn/Layer_cn.html#register-forward-post-hook-hook)
@@ -11,12 +11,28 @@ torch.nn.modules.module.register_module_forward_hook(hook, *, prepend=False, wit
 paddle.nn.Layer.register_forward_post_hook(hook)
 ```
 
-PyTorch 相比 Paddle 支持更多其他参数，具体如下：
+其中，PyTorch 为给全局所有 module 注册 hook,而 Paddle 为给单个 Layer 注册 hook。PyTorch 相比 Paddle 支持更多其他参数，具体如下：
 ### 参数映射
 
 | PyTorch       | PaddlePaddle | 备注                                                   |
 | ------------- | ------------ | ------------------------------------------------------ |
-| hook  | hook       | 被注册为 forward pre-hook 的函数。 |
-| prepend  | -            | 钩子执行顺序控制，Paddle 无此参数，暂无转写方式。 |
-| with_kwargs        | -       | 是否传递关键字参数，Paddle 无此参数，暂无转写方式。  |
-| always_call        | -       | 是否强制调用钩子，Paddle 无此参数，暂无转写方式。  |
+| hook  | hook       | 被注册为 forward post-hook 的函数。 |
+| always_call        | -       | 是否强制调用钩子，Paddle 无此参数，一般对训练结果影响不大，可直接删除。  |
+
+### 转写示例
+
+```python
+# PyTorch 写法
+Linear = torch.nn.Linear(2, 4)
+Conv2d = torch.nn.Conv2d(3, 16, 3)
+Batch2d = torch.nn.BatchNorm2d(10)
+torch.nn.modules.module.register_module_forward_hook(hook)
+
+# Paddle 写法
+Linear = paddle.nn.Linear(2, 4)
+Conv2d = paddle.nn.Conv2d(3, 16, 3)
+Batch2d = paddle.nn.BatchNorm2D(10)
+Linear.register_forward_post_hook(hook)
+Conv2d.register_forward_post_hook(hook)
+Batch2d.register_forward_post_hook(hook)
+```

docs/guides/model_convert/convert_from_pytorch/api_difference/nn/torch.nn.modules.module.register_module_forward_pre_hook.md

@@ -1,4 +1,4 @@
-## [ 参数完全一致 ]torch.nn.modules.module.register_module_forward_pre_hook
+## [ 组合替代实现 ]torch.nn.modules.module.register_module_forward_pre_hook
 
 ### [torch.nn.modules.module.register_module_forward_pre_hook](https://pytorch.org/docs/stable/generated/torch.nn.modules.module.register_module_forward_pre_hook.html)
 
@@ -12,10 +12,28 @@ torch.nn.modules.module.register_module_forward_pre_hook(hook)
 paddle.nn.Layer.register_forward_pre_hook(hook)
 ```
 
-功能一致，参数完全一致，具体如下：
+其中，PyTorch 为给全局所有 module 注册 hook,而 Paddle 为给单个 Layer 注册 hook, 具体如下：
 
 ### 参数映射
 
 | PyTorch | PaddlePaddle | 备注                                                                                            |
 |---------|--------------|-----------------------------------------------------------------------------------------------|
 | hook  | hook       | 被注册为 forward pre-hook 的函数。 |
+
+### 转写示例
+
+```python
+# PyTorch 写法
+Linear = torch.nn.Linear(2, 4)
+Conv2d = torch.nn.Conv2d(3, 16, 3)
+Batch2d = torch.nn.BatchNorm2d(10)
+torch.nn.modules.module.register_module_forward_pre_hook(hook)
+
+# Paddle 写法
+Linear = paddle.nn.Linear(2, 4)
+Conv2d = paddle.nn.Conv2d(3, 16, 3)
+Batch2d = paddle.nn.BatchNorm2D(10)
+Linear.register_forward_pre_hook(hook)
+Conv2d.register_forward_pre_hook(hook)
+Batch2d.register_forward_pre_hook(hook)
+```

docs/guides/model_convert/convert_from_pytorch/api_difference/torch/torch._foreach_abs.md

@@ -0,0 +1,19 @@
+## [组合替代实现]torch.\_foreach_abs
+
+### [torch.\_foreach_abs](https://pytorch.org/docs/stable/generated/torch._foreach_abs.html#torch-foreach-abs)
+
+```python
+torch._foreach_abs(self)
+```
+
+Paddle 无此 API，需要组合实现。
+
+### 转写示例
+
+```python
+# PyTorch 写法
+torch._foreach_abs(tensors)
+
+# Paddle 写法
+[paddle.abs(x) for x in tensors]
+```

docs/guides/model_convert/convert_from_pytorch/api_difference/torch/torch._foreach_abs_.md

@@ -0,0 +1,19 @@
+## [组合替代实现]torch.\_foreach_abs_
+
+### [torch.\_foreach_abs_](https://pytorch.org/docs/stable/generated/torch._foreach_abs_.html#torch-foreach-abs)
+
+```python
+torch._foreach_abs_(self)
+```
+
+Paddle 无此 API，需要组合实现。
+
+### 转写示例
+
+```python
+# PyTorch 写法
+torch._foreach_abs_(tensors)
+
+# Paddle 写法
+[paddle.abs_(x) for x in tensors]
+```

docs/guides/model_convert/convert_from_pytorch/api_difference/torch/torch._foreach_acos.md

@@ -0,0 +1,19 @@
+## [组合替代实现]torch.\_foreach_acos
+
+### [torch.\_foreach_acos](https://pytorch.org/docs/stable/generated/torch._foreach_acos.html#torch-foreach-acos)
+
+```python
+torch._foreach_acos(self)
+```
+
+Paddle 无此 API，需要组合实现。
+
+### 转写示例
+
+```python
+# PyTorch 写法
+torch._foreach_acos(tensors)
+
+# Paddle 写法
+[paddle.acos(x) for x in tensors]
+```

docs/guides/model_convert/convert_from_pytorch/api_difference/torch/torch._foreach_acos_.md

@@ -0,0 +1,19 @@
+## [组合替代实现]torch.\_foreach_acos_
+
+### [torch.\_foreach_acos_](https://pytorch.org/docs/stable/generated/torch._foreach_acos_.html#torch-foreach-acos)
+
+```python
+torch._foreach_acos_(self)
+```
+
+Paddle 无此 API，需要组合实现。
+
+### 转写示例
+
+```python
+# PyTorch 写法
+torch._foreach_acos_(tensors)
+
+# Paddle 写法
+[paddle.acos_(x) for x in tensors]
+```

docs/guides/model_convert/convert_from_pytorch/api_difference/torch/torch._foreach_asin.md

@@ -0,0 +1,19 @@
+## [组合替代实现]torch.\_foreach_asin
+
+### [torch.\_foreach_asin](https://pytorch.org/docs/stable/generated/torch._foreach_asin.html#torch-foreach-asin)
+
+```python
+torch._foreach_asin(self)
+```
+
+Paddle 无此 API，需要组合实现。
+
+### 转写示例
+
+```python
+# PyTorch 写法
+torch._foreach_asin(tensors)
+
+# Paddle 写法
+[paddle.asin(x) for x in tensors]
+```

docs/guides/model_convert/convert_from_pytorch/api_difference/torch/torch._foreach_asin_.md

@@ -0,0 +1,19 @@
+## [组合替代实现]torch.\_foreach_asin_
+
+### [torch.\_foreach_asin_](https://pytorch.org/docs/stable/generated/torch._foreach_asin_.html#torch-foreach-asin)
+
+```python
+torch._foreach_asin_(self)
+```
+
+Paddle 无此 API，需要组合实现。
+
+### 转写示例
+
+```python
+# PyTorch 写法
+torch._foreach_asin_(tensors)
+
+# Paddle 写法
+[paddle.asin_(x) for x in tensors]
+```

docs/guides/model_convert/convert_from_pytorch/api_difference/torch/torch._foreach_atan.md

@@ -0,0 +1,19 @@
+## [组合替代实现]torch.\_foreach_atan
+
+### [torch.\_foreach_atan](https://pytorch.org/docs/stable/generated/torch._foreach_atan.html#torch-foreach-atan)
+
+```python
+torch._foreach_atan(self)
+```
+
+Paddle 无此 API，需要组合实现。
+
+### 转写示例
+
+```python
+# PyTorch 写法
+torch._foreach_atan(tensors)
+
+# Paddle 写法
+[paddle.atan(x) for x in tensors]
+```

docs/guides/model_convert/convert_from_pytorch/api_difference/torch/torch._foreach_atan_.md

@@ -0,0 +1,19 @@
+## [组合替代实现]torch.\_foreach_atan_
+
+### [torch.\_foreach_atan_](https://pytorch.org/docs/stable/generated/torch._foreach_atan_.html#torch-foreach-atan)
+
+```python
+torch._foreach_atan_(self)
+```
+
+Paddle 无此 API，需要组合实现。
+
+### 转写示例
+
+```python
+# PyTorch 写法
+torch._foreach_atan_(tensors)
+
+# Paddle 写法
+[paddle.atan_(x) for x in tensors]
+```