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cast edge case

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This commit is contained in:
justheuristic 2022-09-18 00:36:46 +03:00
parent cbfdf0b5ef
commit ab9dee062d
1 changed files with 1 additions and 4 deletions
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5
bitsandbytes/autograd/_functions.py
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@ -221,9 +221,6 @@ class MatMul8bitLt(torch.autograd.Function):
# 3. Matmul
# 4. Mixed-precision decomposition matmul
# 5. Save state
requires_gradA = A.requires_grad
requires_gradB = B.requires_grad
requires_gradBias = bias is not None and bias.requires_grad
formatB = state.formatB
input_shape = A.shape
if state.outlier_pool is None:
@ -330,7 +327,7 @@ class MatMul8bitLt(torch.autograd.Function):
ctx.grad_shape = input_shape
ctx.dtype_A, ctx.dtype_B, ctx.dtype_bias = A.dtype, B.dtype, None if bias is None else bias.dtype
if requires_gradA or requires_gradB:
if any(ctx.needs_input_grad[:2]):
ctx.tensors = (CAt, subA)
ctx.tensor_states = (SCAt, state.idx)
else: