torchao: add int8; quanto: add NF4; torch compile fixes + ability to compile optim#986
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torchao: add int8; quanto: add NF4; torch compile fixes + ability to compile optim#986
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added 8 commits
September 23, 2024 21:06
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@sayakpaul i can't get this to work on NVIDIA devices, but it does work on Apple MPS. have you had any luck training on torchao? for cuda it complains it cannot cast (tensor, tensor) to tensor. |
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currently the main benefit of torchao i can see is that we get torch compile support, but torch compile doesn't even work on mps.. on MPS, torchao is 3 seconds per step slower than quanto, which is roughly the same speed as bf16, tested on Flux Dev. so if there's no nvidia support for training and it works more slowly on MPS, not sure there is a point to merge this PR |
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i change my mind, i got it to work with int8 on nvidia after messing around with the internals on the GPUMODE discord. |
bghira
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bghira
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Sep 28, 2024
…int8 when dynamo is enabled
bghira
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