Fix weight-only quantization on OPT model #502
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I have opened an issue where ipex reports errors when running weight-only quantization on OPT models (#501).
I tried to fix this issue in this PR.
In the transformers (>=4.31.0), in the
forwardfunction ofclass OPTDecoder, the sequence of input parameters is(input_ids, attention_mask, head_mask, past_key_values, ...), while the sequence of input parameters of other models (e.g., Falcon) is(input_ids, past_key_values, attention_mask, ...).