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[Distributed] create model on meta device #1227
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🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/torchchat/1227
Note: Links to docs will display an error until the docs builds have been completed. ✅ No FailuresAs of commit cb77ba5 with merge base 77bac00 ( This comment was automatically generated by Dr. CI and updates every 15 minutes. |
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Rebase to fix failing tochao_experimental check |
lessw2020
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Sep 30, 2024
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Change 1
Changing from:
to
because when we later load weights, we will swap out the tensors of the model anyway. So saving an on-device init here.
Change 2
Also added a
with devicecontext tomodel.setup_cache()call. So that the caches are directly created on the target device -- saving amodel.to(device)call.