torch.distributed.elastic.multiprocessing.api:failed (exitcode: 1) local_rank: 0 (pid: 16236) of binary: D:\anaconda\envs\RealNet\python.exe

[Xiaotu2000]

作者你好，我想请问一下这个问题是单机多卡的问题吗？
具体是如何解决呢？谢谢

[Xiaotu2000]

[W C:\cb\pytorch_1000000000000\work\torch\csrc\distributed\c10d\socket.cpp:558] [c10d] The client socket has failed to connect to [CHINAMI-28CMDMG]:29500 (system error: 10049 - 在其上下文中，该请求的地址无效。).
[W C:\cb\pytorch_1000000000000\work\torch\csrc\distributed\c10d\socket.cpp:558] [c10d] The client socket has failed to connect to [CHINAMI-28CMDMG]:29500 (system error: 10049 - 在其上下文中，该请求的地址无效。).
[W C:\cb\pytorch_1000000000000\work\torch\csrc\distributed\c10d\socket.cpp:558] [c10d] The client socket has failed to connect to [CHINAMI-28CMDMG]:29500 (system error: 10049 - 在其上下文中，该请求的地址无效。).
[W C:\cb\pytorch_1000000000000\work\torch\csrc\distributed\c10d\socket.cpp:558] [c10d] The client socket has failed to connect to [CHINAMI-28CMDMG]:29500 (system error: 10049 - 在其上下文中，该请求的地址无效。).
Traceback (most recent call last):
File "E:\pxl\RealNet\RealNet-main\train_realnet.py", line 326, in
main()
File "E:\pxl\RealNet\RealNet-main\train_realnet.py", line 101, in main
rank, world_size = setup_distributed()
File "E:\pxl\RealNet\RealNet-main\utils\dist_helper.py", line 20, in setup_distributed
dist.init_process_group(
File "D:\anaconda\envs\RealNet\lib\site-packages\torch\distributed\distributed_c10d.py", line 602, in init_process_group
default_pg = _new_process_group_helper(
File "D:\anaconda\envs\RealNet\lib\site-packages\torch\distributed\distributed_c10d.py", line 727, in _new_process_group_helper
raise RuntimeError("Distributed package doesn't have NCCL " "built in")
RuntimeError: Distributed package doesn't have NCCL built in
ERROR:torch.distributed.elastic.multiprocessing.api:failed (exitcode: 1) local_rank: 0 (pid: 16108) of binary: D:\anaconda\envs\RealNet\python.exe
配置缺少文件了？