Commit Graph

2 Commits

Author SHA1 Message Date
Pieter Noordhuis
52472508e9 Add env:// rendezvous test (#11782)
Summary:
A missing environment variable raised a missing key error. Now it
raises a more descriptive error of the actual problem, for example:

ValueError: Error initializing torch.distributed using env:// rendezvous: environment variable WORLD_SIZE expected, but not set

Pull Request resolved: https://github.com/pytorch/pytorch/pull/11782

Differential Revision: D9888962

Pulled By: pietern

fbshipit-source-id: 5947e7a7bf7aa45f13bbd7b5e997529f26cc92d6
2018-09-19 09:56:06 -07:00
Teng Li
0988bbad2d C10d release to torch.distributed for PT1 (#11405)
Summary:
The old `torch.distributed` will go to `torch.distributed.deprecated`
The old DDP will go to `torch.nn.parallel.deprecated`

Now `torch.nn.parallel.DDP` will use c10d DDP
Now `torch.distributed` will use C10d frontend API
Pull Request resolved: https://github.com/pytorch/pytorch/pull/11405

Reviewed By: pietern

Differential Revision: D9733733

Pulled By: teng-li

fbshipit-source-id: d6a3f3e73f8d3a7fcb1f4baef53c78063b8cbb08
2018-09-10 23:27:22 -07:00