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[QUESTION]How is vescale zero2 implemented? #54

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starstream opened this issue Sep 12, 2024 · 1 comment

starstream commented Sep 12, 2024

How is vescale zero2 implemented? Is the distributed optimizer of megatron zero2?

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starstream commented Sep 13, 2024 •

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reduce-scatter grad buffer seems to work in the same way when using distributed optimizer. where to discard grad?

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