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cast device

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justheuristic 2022-09-18 01:25:56 +03:00
parent e4086a2758
commit 01b4c6a048
1 changed files with 2 additions and 1 deletions
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tests/test_modules.py
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@ -568,7 +568,8 @@ def test_linear8bitlt_no_fp16_weights(threshold, memory_efficient_backward):
mlp.zero_grad()
(o1 * grad_proj).sum().backward()
grad_ref = grad_proj.flatten(2) @ w2.half() @ w1.half()
assert torch.allclose(b1.grad, grad_ref)
scale = grad_ref.abs().mean()
assert torch.allclose(b1.grad, grad_ref, rtol=0, atol=0.1 * scale)