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[zero]fix zero ckptIO with offload (#4529)

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* fix zero ckptio with offload

* fix load device

* saved tensors in ckpt should be on CPU

* fix unit test

* fix unit test

* add clear cache

* save memory for CI
This commit is contained in:
LuGY
2023-09-01 17:41:19 +08:00
committed by GitHub
parent c7b60f7547
commit cbac782254
3 changed files with 22 additions and 16 deletions
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tests/test_zero/test_low_level/test_zero_ckpt.py
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@@ -37,7 +37,7 @@ def loose_close(a, b, dtype: torch.dtype = torch.float32):
atol = 4e-3
a = a.detach().to(dtype)
b = b.detach().to(dtype)
b = b.detach().to(dtype).to(a.device)
assert_close(a, b, rtol=rtol, atol=atol)