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added default kwargs for accelerate support #4

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Merged
TimDettmers merged 2 commits into from
Jul 21, 2022
Merged

added default kwargs for accelerate support #4

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795cc33
added default kwargs
younesbelkada Jul 20, 2022
e50b404
fix small bug
younesbelkada Jul 20, 2022
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4 changes: 2 additions & 2 deletions bitsandbytes/nn/modules.py
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Original file line number Diff line number Diff line change
Expand Up @@ -52,7 +52,7 @@ def forward(self, x):


class Int8Params(torch.nn.Parameter):
def __new__(cls, data=None, requires_grad=True, has_fp16_weights=False):
def __new__(cls, data=None, requires_grad=True, has_fp16_weights=False, CB=None, SCB=None):
cls.has_fp16_weights = has_fp16_weights
cls.CB = None
cls.SCB = None
Expand All @@ -66,7 +66,7 @@ def cuda(self, device):
else:
# we store the 8-bit rows-major weight
# we convert this weight to the turning/ampere weight during the first inference pass
B = self.data.contiguous().half().cuda()
B = self.data.contiguous().half().cuda(device)
CB, CBt, SCB, SCBt, coo_tensorB = bnb.functional.double_quant(B)
del CBt
del SCBt
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