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Merge pull request #2945 from marko1616/bugfix/lora-model-merge

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修复了在 transformers > 4.36.2 版本中部分模型合并 Lora 模型时因生成配置校验而导致的崩溃问题

Former-commit-id: 49f9dbb4b168b0e9f72e2233271aca130fca55e7
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hoshi-hiyouga 2024-03-25 13:36:08 +08:00 committed by GitHub
commit abbbdae903
1 changed files with 9 additions and 0 deletions
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src/llmtuner/train/tuner.py
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@ -64,6 +64,15 @@ def export_model(args: Optional[Dict[str, Any]] = None):
for param in model.parameters(): for param in model.parameters():
param.data = param.data.to(output_dtype) param.data = param.data.to(output_dtype)
# Configuration check and fix
config = model.generation_config
if not config.do_sample and (
(config.temperature is not None and config.temperature != 1.0) or
(config.top_p is not None and config.top_p != 1.0) or
(config.typical_p is not None and config.typical_p != 1.0)
):
config.do_sample = True
model.save_pretrained( model.save_pretrained(
save_directory=model_args.export_dir, save_directory=model_args.export_dir,
max_shard_size="{}GB".format(model_args.export_size), max_shard_size="{}GB".format(model_args.export_size),