Yi Wang ba36e32406 [Gradient Compression] Correct the usage of min_compression_rate (#52979) ... Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/52979 Compression rate = uncompressed size / compressed size, so the compression rate is usually greater than 1. Previously the compression rate was perceived as compressed size / uncompressed size, which can be very confusing. ghstack-source-id: 122996272 Test Plan: unit tests Reviewed By: zhaojuanmao Differential Revision: D26713349 fbshipit-source-id: 83b7f8908c101954cf01f56a22161047fbfeaa53		2021-03-03 15:35:40 -08:00
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ddp_comm_hooks	[Gradient Compression] Correct the usage of min_compression_rate (#52979)	2021-03-03 15:35:40 -08:00
__init__.py	[Gradient Compression] Add unit tests that test default Python comm hook implementations (#47158)	2020-11-06 00:28:09 -08:00