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DDP Hangs with uneven batches #80

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danrsc opened this issue Jan 10, 2022 · 0 comments
Open

DDP Hangs with uneven batches #80

danrsc opened this issue Jan 10, 2022 · 0 comments
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@danrsc
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danrsc commented Jan 10, 2022

If you run training with an uneven number of batches on different GPUs, a hang will occur. Since PyTorch 1.8.1, the join context manager on DDP exists to help with this situation. I don't believe PyMarlin handles this right now
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@danrsc @ananthrs1