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slowfast error #81

Open idekazuki opened 4 years ago

idekazuki commented 4 years ago 
Traceback (most recent call last):
  File "run_net.py", line 69, in <module>
    main()
  File "run_net.py", line 65, in main
    train(cfg=cfg)
  File "/host/space0/ide-k/mygit/slowfast/train_net.py", line 20, in train
    model = build_model(cfg)
  File "/host/space0/ide-k/mygit/slowfast/Slowfast/models/build.py", line 40, in build_model
    module=model, device_ids=[cur_device], output_device=cur_device
  File "/home/yanai-lab/ide-k/ide-k/pyenv/slowfast/lib/python3.7/site-packages/torch/nn/parallel/distributed.py", line 273, in __init__
    self.process_group = _get_default_group()
  File "/home/yanai-lab/ide-k/ide-k/pyenv/slowfast/lib/python3.7/site-packages/torch/distributed/distributed_c10d.py", line 268, in _get_default_group
    raise RuntimeError("Default process group has not been initialized, "
RuntimeError: Default process group has not been initialized, please make sure to call init_process_group.