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映射文档 No. 54 #5852

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May 9, 2023
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cd352eb
新增5个api映射文档，修改5个原有文档的内容
ranchongzhi May 4, 2023
0c7fd18
modify torch.nn.CTCLoss.md
ranchongzhi May 6, 2023
ec56fce
Merge branch 'develop' of https://github.com/PaddlePaddle/docs into r…
ranchongzhi May 6, 2023
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4 changes: 2 additions & 2 deletions ...guides/model_convert/convert_from_pytorch/api_difference/nn/torch.nn.BCELoss.md
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Expand Up @@ -21,8 +21,8 @@ paddle.nn.BCELoss(weight=None,
| PyTorch | PaddlePaddle | 备注 |
| ------------- | ------------ | ------------------------------------------------------ |
| weight | weight | 表示每个 batch 二值交叉熵的权重。 |
| size_average | - | PyTorch 已弃用。 |
| reduce | - | PyTorch 已弃用。 |
| size_average | - | PyTorch 已弃用，paddle 需要转写。 |
| reduce | - | PyTorch 已弃用，paddle 需要转写。 |
| reduction | reduction | 表示应用于输出结果的计算方式。 |

### 转写示例
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6 changes: 3 additions & 3 deletions ...el_convert/convert_from_pytorch/api_difference/nn/torch.nn.BCEWithLogitsLoss.md
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# [ torch 参数更多 ]torch.nn.BCEWithLogitsLoss
### [torch.nn.BCEWithLogitsLoss](https)
### [torch.nn.BCEWithLogitsLoss](https://pytorch.org/docs/1.13/generated/torch.nn.BCEWithLogitsLoss.html#bcewithlogitsloss)

```python
torch.nn.BCEWithLogitsLoss(weight=None,
Expand All @@ -23,8 +23,8 @@ paddle.nn.BCEWithLogitsLoss(weight=None,
| PyTorch | PaddlePaddle | 备注 |
| ------------- | ------------ | ------------------------------------------------------ |
| weight | weight | 表示每个 batch 二值交叉熵的权重。 |
| size_average | - | PyTorch 已弃用。 |
| reduce | - | PyTorch 已弃用。 |
| size_average | - | PyTorch 已弃用，paddle 需要转写。 |
| reduce | - | PyTorch 已弃用，paddle 需要转写。 |
| reduction | reduction | 表示应用于输出结果的计算方式。 |
| pos_weight | pos_weight | 表示正类的权重。 |

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26 changes: 26 additions & 0 deletions ...guides/model_convert/convert_from_pytorch/api_difference/nn/torch.nn.CTCLoss.md
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# [torch 参数更多]torch.nn.CTCLoss

### [torch.nn.CTCLoss](https://pytorch.org/docs/1.13/generated/torch.nn.CTCLoss.html#torch.nn.CTCLoss)

```python
torch.nn.CTCLoss(blank=0,
reduction='mean',
zero_infinity=False)
```

### [paddle.nn.CTCLoss](https://www.paddlepaddle.org.cn/documentation/docs/zh/api/paddle/nn/CTCLoss_cn.html#ctcloss)

```python
paddle.nn.CTCLoss(blank=0,
reduction='mean')
```

其中，Pytorch 相比 Paddle 支持更多其他参数，具体如下：

### 参数映射

| PyTorch | Paddle | 备注 |
| ------------- | --------- | ------------------------------------------------------------ |
| blank | blank | 空格标记的 ID 值。 |
| reduction | reduction | 表示应用于输出结果的计算方式。 |
| zero_infinity | - | 是否将无穷大损失及其梯度置 0，Paddle 无此参数，需要转写，paddle 暂无转写方式。 |
12 changes: 6 additions & 6 deletions ...del_convert/convert_from_pytorch/api_difference/nn/torch.nn.CrossEntropyLoss.md
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# [torch 参数更多]torch.nn.CrossEntropyLoss
### [torch.nn.CrossEntropyLoss](https://pytorch.org/docs/stable/generated/torch.nn.CrossEntropyLoss.html?highlight=crossentropyloss#torch.nn.CrossEntropyLoss)
### [torch.nn.CrossEntropyLoss](https://pytorch.org/docs/1.13/generated/torch.nn.CrossEntropyLoss.html#torch.nn.CrossEntropyLoss)

```python
torch.nn.CrossEntropyLoss(weight=None,
Expand All @@ -26,13 +26,13 @@ paddle.nn.CrossEntropyLoss(weight=None,
| PyTorch | PaddlePaddle | 备注 |
| ------------- | ------------ | ------------------------------------------------------ |
| weight | weight | 表示每个类别的权重。 |
| <font color='red'> size_average </font> | - | PyTorch 已弃用， Paddle 无此参数，需要转写。 |
| size_average | - | PyTorch 已弃用，Paddle 无此参数，需要转写。|
| ignore_index | ignore_index | 表示忽略的一个标签值。 |
| <font color='red'> reduce </font> | - | PyTorch 已弃用， Paddle 无此参数，需要转写。 |
| reduce | - | PyTorch 已弃用， Paddle 无此参数，需要转写。 |
| reduction | reduction | 表示应用于输出结果的计算方式。 |
| <font color='red'> label_smoothing </font> | - | 指定计算损失时的平滑量，Paddle 无此功能，暂无转写方式。 |
| - | <font color='red'> soft_label </font> | 指明 label 是否为软标签，Pytorch 无此参数，Paddle 保持默认即可。 |
| - | <font color='red'> axis </font> | 进行 softmax 计算的维度索引，Pytorch 无此参数，Paddle 保持默认即可。 |
| label_smoothing | - | 指定计算损失时的平滑量，Paddle 无此功能，暂无转写方式。 |
| - | soft_label | 指明 label 是否为软标签，Pytorch 无此参数，Paddle 保持默认即可。 |
| - | axis | 进行 softmax 计算的维度索引，Pytorch 无此参数，Paddle 保持默认即可。 |

### 转写示例
#### size_average
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48 changes: 48 additions & 0 deletions ...l_convert/convert_from_pytorch/api_difference/nn/torch.nn.HingeEmbeddingLoss.md
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# [torch 参数更多]torch.nn.HingeEmbeddingLoss

### [torch.nn.HingeEmbeddingLoss](https://pytorch.org/docs/1.13/generated/torch.nn.HingeEmbeddingLoss.html#hingeembeddingloss)

```python
torch.nn.HingeEmbeddingLoss(margin=1.0,
size_average=None,
reduce=None,
reduction='mean')
```

### [paddle.nn.HingeEmbeddingLoss](https://www.paddlepaddle.org.cn/documentation/docs/zh/api/paddle/nn/HingeEmbeddingLoss_cn.html#hingeembeddingloss)

```python
paddle.nn.HingeEmbeddingLoss(margin=1.0,
reduction='mean',
name=None)
```

Pytorch 相比 Paddle 支持更多其他参数，具体如下：

### 参数映射

| PyTorch | Paddle | 备注 |
| ------------ | --------- | ------------------------------------------------------------ |
| margin | margin | 当 label 为-1 时，该值决定了小于 margin 的 input 才需要纳入 hinge embedding loss 的计算。 |
| size_average | - | PyTorch 已弃用， Paddle 无此参数，需要转写。 |
| reduce | - | PyTorch 已弃用， Paddle 无此参数，需要转写。 |
| reduction | reduction | 表示应用于输出结果的计算方式。 |

### 转写示例

#### size_average

```python
# Pytorch 的 size_average、reduce 参数转为 Paddle 的 reduction 参数
if size_average is None:
size_average = True
if reduce is None:
reduce = True

if size_average and reduce:
reduction = 'mean'
elif reduce:
reduction = 'sum'
else:
reduction = 'none'
```
4 changes: 2 additions & 2 deletions ...ides/model_convert/convert_from_pytorch/api_difference/nn/torch.nn.KLDivLoss.md
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Expand Up @@ -18,8 +18,8 @@ paddle.nn.KLDivLoss(reduction='mean')
### 参数差异
| PyTorch | PaddlePaddle | 备注 |
| ------------- | ------------ | ------------------------------------------------------ |
| size_average | - | 已弃用。 |
| reduce | - | 已弃用。 |
| size_average | - | PyTorch 已弃用， Paddle 无此参数，需要转写。 |
| reduce | - | PyTorch 已弃用， Paddle 无此参数，需要转写。 |
| reduction | reduction | 表示对输出结果的计算方式。 |
| log_target | - | 指定目标是否为日志空间，Paddle 无此功能，暂无转写方式。 |

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48 changes: 48 additions & 0 deletions ...el_convert/convert_from_pytorch/api_difference/nn/torch.nn.MarginRankingLoss.md
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# [torch 参数更多]torch.nn.MarginRankingLoss

### [torch.nn.MarginRankingLoss](https://pytorch.org/docs/1.13/generated/torch.nn.MarginRankingLoss.html#marginrankingloss)

```python
torch.nn.MarginRankingLoss(margin=0.0,
size_average=None,
reduce=None,
reduction='mean')
```

### [paddle.nn.MarginRankingLoss](https://www.paddlepaddle.org.cn/documentation/docs/zh/api/paddle/nn/MarginRankingLoss_cn.html#marginrankingloss)

```python
paddle.nn.MarginRankingLoss(margin=0.0,
reduction='mean',
name=None)
```

Pytorch 相比 Paddle 支持更多其他参数，具体如下：

### 参数映射

| PyTorch | Paddle | 备注 |
| ------------ | --------- | -------------------------------------------- |
| margin | margin | 用于加和的 margin 值。 |
| size_average | - | PyTorch 已弃用， Paddle 无此参数，需要转写。 |
| reduce | - | PyTorch 已弃用， Paddle 无此参数，需要转写。 |
| reduction | reduction | 表示应用于输出结果的计算方式。 |

### 转写示例

#### size_average

```python
# Pytorch 的 size_average、reduce 参数转为 Paddle 的 reduction 参数
if size_average is None:
size_average = True
if reduce is None:
reduce = True

if size_average and reduce:
reduction = 'mean'
elif reduce:
reduction = 'sum'
else:
reduction = 'none'
```
48 changes: 48 additions & 0 deletions ...guides/model_convert/convert_from_pytorch/api_difference/nn/torch.nn.NLLLoss.md
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# [torch 参数更多]torch.nn.NLLLoss

### [torch.nn.NLLLoss](https://pytorch.org/docs/1.13/generated/torch.nn.NLLLoss.html?highlight=nllloss#torch.nn.NLLLoss)

```python
torch.nn.NLLLoss(weight=None,
size_average=None,
ignore_index=- 100,
reduce=None,
reduction='mean')
```

### [paddle.nn.NLLLoss](https://www.paddlepaddle.org.cn/documentation/docs/zh/api/paddle/nn/NLLLoss_cn.html#nllloss)

```python
paddle.nn.NLLLoss(weight=None,
ignore_index=- 100,
reduction='mean',
name=None)
```

Pytorch 相比 Paddle 支持更多其他参数，具体如下：

### 参数映射
| PyTorch | Paddle | 备注 |
| ------------ | ------------ | -------------------------------------------- |
| weight | weight | 表示每个类别的权重。 |
| size_average | - | PyTorch 已弃用， Paddle 无此参数，需要转写。 |
| ignore_index | ignore_index | 表示忽略的一个标签值。 |
| reduce | - | PyTorch 已弃用， Paddle 无此参数，需要转写。 |
| reduction | reduction | 表示应用于输出结果的计算方式。 |

### 转写示例
#### size_average
```python
# Pytorch 的 size_average、reduce 参数转为 Paddle 的 reduction 参数
if size_average is None:
size_average = True
if reduce is None:
reduce = True

if size_average and reduce:
reduction = 'mean'
elif reduce:
reduction = 'sum'
else:
reduction = 'none'
```
6 changes: 3 additions & 3 deletions ...s/model_convert/convert_from_pytorch/api_difference/nn/torch.nn.SmoothL1Loss.md
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Expand Up @@ -20,9 +20,9 @@ paddle.nn.SmoothL1Loss(reduction='mean',
### 参数映射
| PyTorch | PaddlePaddle | 备注 |
| ------------- | ------------ | ------------------------------------------------------ |
| size_average | - | 已弃用。 |
| reduce | - | 已弃用。 |
| reduction | reduction | 表示对输出 Tensor 的计算方式。 |
| size_average | - | PyTorch 已弃用， Paddle 无此参数，需要转写。 |
| reduce | - | PyTorch 已弃用， Paddle 无此参数，需要转写。 |
| reduction | reduction | 表示应用于输出结果的计算方式。 |
| beta | delta | SmoothL1Loss 损失的阈值参数。 |

### 转写示例
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45 changes: 45 additions & 0 deletions ...model_convert/convert_from_pytorch/api_difference/nn/torch.nn.SoftMarginLoss.md
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# [torch 参数更多]torch.nn.SoftMarginLoss

### [torch.nn.SoftMarginLosss](https://pytorch.org/docs/1.13/generated/torch.nn.SoftMarginLoss.html#torch.nn.SoftMarginLoss)

```python
torch.nn.SoftMarginLoss(size_average=None,
reduce=None,
reduction='mean')
```

### [paddle.nn.SoftMarginLoss](https://www.paddlepaddle.org.cn/documentation/docs/zh/api/paddle/nn/SoftMarginLoss_cn.html#softmarginloss)

```python
paddle.nn.SoftMarginloss(reduction='mean',
name=None)
```

Pytorch 相比 Paddle 支持更多其他参数，具体如下：

### 参数映射

| PyTorch | Paddle | 备注 |
| ------------ | --------- | -------------------------------------------- |
| size_average | - | PyTorch 已弃用， Paddle 无此参数，需要转写。 |
| reduce | - | PyTorch 已弃用， Paddle 无此参数，需要转写。 |
| reduction | reduction | 表示应用于输出结果的计算方式。 |

### 转写示例

#### size_average

```python
# Pytorch 的 size_average、reduce 参数转为 Paddle 的 reduction 参数
if size_average is None:
size_average = True
if reduce is None:
reduce = True

if size_average and reduce:
reduction = 'mean'
elif reduce:
reduction = 'sum'
else:
reduction = 'none'
```