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704b0b3c67
We have a plethora of error types for various errors raised from c10d. These include `RuntimeError`, `TimeoutError`, `SocketError`, `DistBackendError` etc. This results in messy code during error handling somewhat like this: ``` if "NCCL" in exception_str: ... if "Timed out initializing process group in store based barrier on rank" in exception_str: ... if "The client socket has timed out after" in exception_str: ... if "Broken pipe" in exception_str: ... if "Connection reset by peer" in exception_str: ... ``` To address this issue, in this PR I've ensured added these error types: 1. **DistError** - the base type of all distributed errors 2. **DistBackendError** - this already existed and referred to PG backend errors 3. **DistStoreError** - for errors originating from the store 4. **DistNetworkError** - for general network errors coming from the socket library Pull Request resolved: https://github.com/pytorch/pytorch/pull/108191 Approved by: https://github.com/H-Huang |
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| requirements.txt | ||
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