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Differences in training effects between single-GPU and multi-GPU training #5

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@yangfy2023

Hi, I'm trying to use sympointv1 for training, but I'm finding some difference in the training results between single and multi gpu. On 8*A100 I can effectively drop the loss, but using a single gpu and setting the batch_size to 16 doesn't have the same training effect.how should I train with a single card?

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