Commit 01b4c6a0 authored by justheuristic's avatar justheuristic
Browse files

cast device

parent e4086a27
......@@ -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)
......
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