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Remove the fixed eot_token mechanism for SFT #927

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merged 4 commits into from
Oct 30, 2024
Merged

Remove the fixed eot_token mechanism for SFT #927

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7697726
Remove the fixed `eot_token` mechanism for SFT
Xingfu-Yi Sep 15, 2024
f370d3c
Merge branch 'master' into eot_token_bugfix
tjruwase Sep 20, 2024
44da9cd
Merge branch 'master' into eot_token_bugfix
loadams Oct 29, 2024
73b814e
Merge branch 'master' into eot_token_bugfix
loadams Oct 30, 2024
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11 changes: 8 additions & 3 deletions applications/DeepSpeed-Chat/training/step1_supervised_finetuning/main.py
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Original file line number Diff line number Diff line change
Expand Up @@ -191,7 +191,13 @@ def parse_args():
parser.add_argument(
"--add_eot_token",
action='store_true',
help="Add <|endoftext|> as additional special token to tokenizer")
help="Add `eot_token` as additional special token to tokenizer")
parser.add_argument(
"--eot_token",
type=str,
default="<|endoftext|>",
help="Specify the format of the `eot_token`",
)
## Print loss
parser.add_argument('--print_loss',
action='store_true',
Expand Down Expand Up @@ -234,8 +240,7 @@ def main():
torch.distributed.barrier()

# load_hf_tokenizer will get the correct tokenizer and set padding tokens based on the model family
args.end_of_conversation_token = "<|endoftext|>"
additional_special_tokens = args.end_of_conversation_token if args.add_eot_token else None
additional_special_tokens = args.eot_token if args.add_eot_token else None
tokenizer = load_hf_tokenizer(args.model_name_or_path,
fast_tokenizer=True,
add_special_tokens=additional_special_tokens)
Expand Down
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