[NLLB-MoE
] Fix NLLB MoE 4bit inference
#27012
Merged
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What does this PR do?
Fixes: #26898
The hidden states gets silenty casted in
unint8
leading to the error described in #26898The check
and self.fc2.weight.dtype != torch.int8
is not sufficient in order to cover 4bit models, for these models the weights are inuint8
, hence adding an extra condition to cover 4bit models fixes the inference issuecc @ArthurZucker