Memory saving loading weight for non-quant models #56
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@pengchongjin @michaelmoynihan Any idea on this PR? |
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Thanks, @KaneGreen ! Coould you please sign the CLA in order to pass the pre-check? |
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@pengchongjin I've signed that. But it doesn't update. Any way to re-run this check? |
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@pengchongjin CLA has been signed |
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Trying to fix #51
And this also increase the speed of loading weights. (in my computer, about 1min vs 2min)
Tested on
1.1-7b-itand7b-itmodel.but:
quantmodel.requires_gradofnn.ParameterinLinearandEmbeddingtoTrueafter the loading is completed. (I don't know why some nn.Parameters in model.py haverequires_gradas False and others as default True) But I think, this shouldn't affect sinceforwardfunction ofGemmaForCausalLMhas@torch.no_grad().