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[FIX] allow auto_round lm_head quantization #282

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merged 2 commits into from
Jul 23, 2024
Merged

[FIX] allow auto_round lm_head quantization #282

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c748310
enable auto_round lm_head quantize
Jul 23, 2024
1ef7649
Update base.py
Qubitium Jul 23, 2024
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5 changes: 2 additions & 3 deletions gptqmodel/models/base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -170,9 +170,8 @@ def quantize(
logger.warning("According to the issue https://github.com/ModelCloud/GPTQModel/issues/278, transformers version 4.43.0 has broken batch_size. until the issue is resolved, hard set the batch_size to 1.")
batch_size = 1

# TODO: lm_head quantization is yet ready but pending
if self.quantize_config.lm_head:
raise ValueError("lm_head quantization is currently inference only and not applicable for quantization. Please set `lm_head=False`.")
if self.quantize_config.lm_head and not isinstance(self.quantize_config, AutoRoundQuantizeConfig):
raise ValueError("`lm_head=True` quantization is only available with AutoRound quantizer. Please use `AutoRoundQuantizeConfig` instead of `QuantizeConfig` and set `lm_head=True` or set `lm_head=False`.")

if len(calibration_dataset) == 0:
raise ValueError("Calibration dataset must not be empty.")
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