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docs/guides/model_convert/convert_from_pytorch/api_difference/cuda/torch.cuda.stream.md

@@ -0,0 +1,19 @@
+## [参数完全一致]torch.cuda.stream
+
+### [torch.cuda.stream](https://pytorch.org/docs/stable/generated/torch.cuda.stream.html)
+
+```python
+torch.cuda.stream(stream)
+```
+
+### [paddle.device.cuda.stream_guard](https://www.paddlepaddle.org.cn/documentation/docs/zh/api/paddle/device/cuda/stream_guard_cn.html)
+
+```python
+paddle.device.cuda.stream_guard(stream)
+```
+
+功能一致，参数完全一致，具体如下：
+### 参数映射
+| PyTorch       | PaddlePaddle | 备注                                                   |
+| ------------- | ------------ | ------------------------------------------------------ |
+| stream        | stream            | 指定的 CUDA stream。如果为 None，则不进行 stream 流切换。Paddle 的该 API 目前仅支持动态图模式。                                    |

docs/guides/model_convert/convert_from_pytorch/pytorch_api_mapping_cn.md

@@ -715,7 +715,9 @@
 | 16   |  [torch.cuda.memory_usage](https://pytorch.org/docs/stable/generated/torch.cuda.memory_usage.html#torch.cuda.memory_usage)  |  | 功能缺失        |
 | 17   |  [torch.cuda.mem_get_info](https://pytorch.org/docs/stable/generated/torch.cuda.mem_get_info.html#torch.cuda.mem_get_info)  |  | 功能缺失        |
 | 18   |  [torch.cuda.set_rng_state](https://pytorch.org/docs/stable/generated/torch.cuda.set_rng_state.html#torch.cuda.set_rng_state)  |  | 功能缺失        |
-
+| 19   | [torch.cuda.default_stream](https://pytorch.org/docs/stable/generated/torch.cuda.default_stream.html?highlight=torch+cuda+default_stream#torch.cuda.default_stream) | | 功能缺失 |
+| 20   | [torch.cuda.get_arch_list](https://pytorch.org/docs/stable/generated/torch.cuda.get_arch_list.html?highlight=torch+cuda+get_arch_list#torch.cuda.get_arch_list) | | 功能缺失 |
+| 21   | [torch.cuda.is_initialized](https://pytorch.org/docs/stable/generated/torch.cuda.is_initialized.html?highlight=torch+cuda+is_initialized#torch.cuda.is_initialized) | | 功能缺失 |
 
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