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how to use multi-gpus to finetune large datasets like ReCoRD? #1338

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runzeer opened this issue Sep 2, 2021 · 3 comments
Open

how to use multi-gpus to finetune large datasets like ReCoRD? #1338

runzeer opened this issue Sep 2, 2021 · 3 comments

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@runzeer
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runzeer commented Sep 2, 2021 •
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@zphang
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zphang commented Sep 6, 2021

The main runscript should automatically detect the number of GPUs available and run with DataParallel. Are you encountering any issues doing so?

@runzeer
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runzeer commented Sep 6, 2021

when using the DataParallel, the memory cost in each GPU is not equal. So if convenient, could you change the mode to DDP?

@zphang
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zphang commented Sep 9, 2021 •
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Yep, we are aware that alternative multi-GPU methods like DDP have some advantages over DataParallel, but switching to DDP will introduce non-trivial complexity, and we do not currently have plans to incorporate it, although we are not ruling it out for the future.

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@zphang @runzeer