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sync-bn efficiency?

Open hszhao opened this issue 8 years ago • 0 comments

Hi, thanks for your work on sync-bn. 1.I want to know the efficiency comparison between un-sync bn and your implementation of sync-bn? 2. Btw, has anyone meet program stuck (I meet this at some iterations when 2 gpus are used and at the beginning if 4 gpus are adopted)?

hszhao avatar Apr 09 '18 04:04 hszhao