only one GPU, I met the error that "Default process group is not initialized"

facebookresearch / maskrcnn-benchmark

Fast, modular reference implementation of Instance Segmentation and Object Detection algorithms in PyTorch.

MIT License

9.31k stars 2.49k forks source link

only one GPU, I met the error that "Default process group is not initialized" #1319

Open nanzh-19 opened 3 years ago

nanzh-19 commented 3 years ago

❓ Questions and Help

I only have one GPU, and when I trained the supernet on coco, there was an error that "AssertionError: Default process group is not initialized" I think that i should not use "SyncBN" to distributed calculating. how can I set it up so I can train with only one GPU?