apex: I try the example when init init_process_group got an error
I got ValueError: Error initializing torch.distributed using env:// rendezvous: environment variable RANK expected, but not set this when I run it.
I use Pytorch 1.1.0 and Ubuntu 18.04. How to solve it, thx.
About this issue
- Original URL
- State: closed
- Created 5 years ago
- Reactions: 9
- Comments: 15 (3 by maintainers)
Hi @PistonY,
how are you executing the script? If you are running the distributed example in
main_amp.py, note that you should call:as described in the README.