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[chat] fix single gpu training bug in examples/train_prompts.py #3621

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Merged
TongLi3701 merged 1 commit into from
Apr 24, 2023
Merged

[chat] fix single gpu training bug in examples/train_prompts.py #3621

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6 changes: 5 additions & 1 deletion applications/Chat/examples/train_prompts.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@
from coati.models.gpt import GPTRM, GPTActor, GPTCritic
from coati.models.llama import LlamaActor, LlamaCritic, LlamaRM
from coati.models.opt import OPTRM, OPTActor, OPTCritic
from coati.models.roberta import RoBERTaRM, RoBERTaActor, RoBERTaCritic
from coati.models.roberta import RoBERTaActor, RoBERTaCritic, RoBERTaRM
from coati.trainer import PPOTrainer
from coati.trainer.strategies import ColossalAIStrategy, DDPStrategy, NaiveStrategy
from coati.utils import prepare_llama_tokenizer_and_embedding
Expand Down Expand Up @@ -143,6 +143,8 @@ def main(args):
prompt_dataset = PromptDataset(tokenizer=tokenizer, data_path=args.prompt_path, max_datasets_size=16384)
if dist.is_initialized() and dist.get_world_size() > 1:
prompt_sampler = DistributedSampler(prompt_dataset, shuffle=True, seed=42, drop_last=True)
else:
prompt_sampler = None
prompt_dataloader = DataLoader(prompt_dataset,
shuffle=(prompt_sampler is None),
sampler=prompt_sampler,
Expand All @@ -151,6 +153,8 @@ def main(args):
pretrain_dataset = SupervisedDataset(tokenizer=tokenizer, data_path=args.pretrain_dataset, max_datasets_size=16384)
if dist.is_initialized() and dist.get_world_size() > 1:
pretrain_sampler = DistributedSampler(pretrain_dataset, shuffle=True, seed=42, drop_last=True)
else:
pretrain_sampler = None
pretrain_dataloader = DataLoader(pretrain_dataset,
shuffle=(pretrain_sampler is None),
sampler=pretrain_sampler,
Expand Down