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add bf16 lora option

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Former-commit-id: b6ec112bebcb379caa32617a135df4d5d3cf865b
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hiyouga 2024-01-19 16:29:03 +08:00
parent a9fe47a848
commit e199967391
2 changed files with 6 additions and 2 deletions
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6
src/llmtuner/hparams/finetuning_args.py
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@ -55,9 +55,13 @@ class LoraArguments:
Phi choices: [\"Wqkv\", \"out_proj\", \"fc1\", \"fc2\"], \
Others choices: the same as LLaMA."}
)
lora_bf16_mode: Optional[bool] = field(
default=False,
metadata={"help": "Whether or not to train lora adapters in bf16 precision."}
)
create_new_adapter: Optional[bool] = field(
default=False,
metadata={"help": "Whether to create a new adapter with randomly initialized weight or not."}
metadata={"help": "Whether or not to create a new adapter with randomly initialized weight."}
)

2
src/llmtuner/model/adapter.py
View File

@ -125,7 +125,7 @@ def init_adapter(
model = get_peft_model(model, lora_config)
for param in filter(lambda p: p.requires_grad, model.parameters()):
param.data = param.data.to(torch.float32)
param.data = param.data.to(torch.bfloat16 if finetuning_args.lora_bf16_mode else torch.float32)
if model_args.adapter_name_or_path is not None:
logger.info("Loaded adapter(s): {}".format(",".join(model_args.adapter_name_or_path)))