File size: 496 Bytes
8bfd0ad | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | import torch
from ._ops import ops
def gemm_4bit_forward(
input: torch.Tensor,
weight: torch.Tensor,
absmax: torch.Tensor,
blocksize: int,
quant_type: int,
) -> torch.Tensor:
original_dtype = input.dtype
if original_dtype != torch.bfloat16:
input = input.to(torch.bfloat16)
output = ops.gemm_4bit_forward(input, weight, absmax, blocksize, quant_type)
if original_dtype != torch.bfloat16:
output = output.to(original_dtype)
return output
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