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Update fast_lora.py

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Daniel Han-Chen 2024-03-10 18:33:52 +11:00
commit c1f3e70394
1 changed files with 7 additions and 5 deletions
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12
unsloth/kernels/fast_lora.py
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@ -28,14 +28,16 @@ def matmul_lora(X, W, W_quant, A, B, s, out = None):
reshape = False
pass
W.addmm_(A.to(dtype), B.to(dtype), alpha = s)
out = torch.matmul(X, W, out = out)
if W_quant is not None: del W
if A is not None:
# LoRA is enabled
A, B = A.t(), B.t()
out += (X @ A.to(dtype)) @ (s * B.to(dtype))
pass
# if A is not None:
# # LoRA is enabled
# A, B = A.t(), B.t()
# out += (X @ A.to(dtype)) @ (s * B.to(dtype))
# pass
return out.view(batch, seq_len, -1) if reshape else out
pass