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26 changes: 14 additions & 12 deletions applications/ChatGPT/examples/train_dummy.py
Original file line number Diff line number Diff line change
Expand Up @@ -38,19 +38,19 @@ def main(args):
# configure model
with strategy.model_init_context():
if args.model == 'gpt2':
actor = GPTActor().cuda()
critic = GPTCritic().cuda()
actor = GPTActor(pretrained=args.pretrain, lora_rank=args.lora_rank).to(torch.cuda.current_device())
critic = GPTCritic(pretrained=args.pretrain, lora_rank=args.lora_rank).to(torch.cuda.current_device())
elif args.model == 'bloom':
actor = BLOOMActor(pretrained=args.pretrain, lora_rank=args.lora_rank).cuda()
critic = BLOOMCritic(pretrained=args.pretrain, lora_rank=args.lora_rank).cuda()
actor = BLOOMActor(pretrained=args.pretrain, lora_rank=args.lora_rank).to(torch.cuda.current_device())
critic = BLOOMCritic(pretrained=args.pretrain, lora_rank=args.lora_rank).to(torch.cuda.current_device())
elif args.model == 'opt':
actor = OPTActor().cuda()
critic = OPTCritic().cuda()
actor = OPTActor(pretrained=args.pretrain, lora_rank=args.lora_rank).to(torch.cuda.current_device())
critic = OPTCritic(pretrained=args.pretrain, lora_rank=args.lora_rank).to(torch.cuda.current_device())
else:
raise ValueError(f'Unsupported model "{args.model}"')

initial_model = deepcopy(actor).cuda()
reward_model = RewardModel(deepcopy(critic.model), deepcopy(critic.value_head)).cuda()
initial_model = deepcopy(actor).to(torch.cuda.current_device())
reward_model = RewardModel(deepcopy(critic.model), deepcopy(critic.value_head)).to(torch.cuda.current_device())

# configure optimizer
if args.strategy.startswith('colossalai'):
Expand Down Expand Up @@ -114,12 +114,13 @@ def main(args):
max_timesteps=args.max_timesteps,
update_timesteps=args.update_timesteps)

# save model checkpoint after fitting on only rank0
# save model checkpoint after fitting
strategy.save_model(actor, 'actor_checkpoint_dummy.pt', only_rank0=True)
# save optimizer checkpoint on all ranks
strategy.save_optimizer(actor_optim,
'actor_optim_checkpoint_dummy_%d.pt' % (torch.cuda.current_device()),
only_rank0=False)
if args.need_optim_ckpt:
strategy.save_optimizer(actor_optim,
'actor_optim_checkpoint_dummy_%d.pt' % (torch.cuda.current_device()),
only_rank0=False)


if __name__ == '__main__':
Expand All @@ -129,6 +130,7 @@ def main(args):
default='naive')
parser.add_argument('--model', type=str, default='gpt2', choices=['gpt2', 'bloom', 'opt'])
parser.add_argument('--pretrain', type=str, default=None)
parser.add_argument('--need_optim_ckpt', type=bool, default=False)
parser.add_argument('--num_episodes', type=int, default=50)
parser.add_argument('--max_timesteps', type=int, default=10)
parser.add_argument('--update_timesteps', type=int, default=10)
Expand Down
25 changes: 14 additions & 11 deletions applications/ChatGPT/examples/train_prompts.py
Original file line number Diff line number Diff line change
Expand Up @@ -32,19 +32,20 @@ def main(args):
# configure model
with strategy.model_init_context():
if args.model == 'gpt2':
actor = GPTActor().cuda()
critic = GPTCritic().cuda()
actor = GPTActor(pretrained=args.pretrain, lora_rank=args.lora_rank).to(torch.cuda.current_device())
critic = GPTCritic(pretrained=args.pretrain, lora_rank=args.lora_rank).to(torch.cuda.current_device())
elif args.model == 'bloom':
actor = BLOOMActor(pretrained=args.pretrain, lora_rank=args.lora_rank).cuda()
critic = BLOOMCritic(pretrained=args.pretrain, lora_rank=args.lora_rank).cuda()
actor = BLOOMActor(pretrained=args.pretrain, lora_rank=args.lora_rank).to(torch.cuda.current_device())
critic = BLOOMCritic(pretrained=args.pretrain, lora_rank=args.lora_rank).to(torch.cuda.current_device())
elif args.model == 'opt':
actor = OPTActor(lora_rank=args.lora_rank).cuda()
critic = OPTCritic(lora_rank=args.lora_rank).cuda()
actor = OPTActor(pretrained=args.pretrain, lora_rank=args.lora_rank).to(torch.cuda.current_device())
critic = OPTCritic(pretrained=args.pretrain, lora_rank=args.lora_rank).to(torch.cuda.current_device())
else:
raise ValueError(f'Unsupported model "{args.model}"')

initial_model = deepcopy(actor)
reward_model = RewardModel(deepcopy(critic.model), deepcopy(critic.value_head)).cuda()
reward_model = RewardModel(deepcopy(critic.model), deepcopy(critic.value_head)).to(torch.cuda.current_device())


# configure optimizer
if args.strategy.startswith('colossalai'):
Expand Down Expand Up @@ -100,12 +101,13 @@ def tokenize_fn(texts):
num_episodes=args.num_episodes,
max_timesteps=args.max_timesteps,
update_timesteps=args.update_timesteps)
# save model checkpoint after fitting on only rank0
# save model checkpoint after fitting
strategy.save_model(actor, 'actor_checkpoint_prompts.pt', only_rank0=True)
# save optimizer checkpoint on all ranks
strategy.save_optimizer(actor_optim,
'actor_optim_checkpoint_prompts_%d.pt' % (torch.cuda.current_device()),
only_rank0=False)
if args.need_optim_ckpt:
strategy.save_optimizer(actor_optim,
'actor_optim_checkpoint_prompts_%d.pt' % (torch.cuda.current_device()),
only_rank0=False)


if __name__ == '__main__':
Expand All @@ -116,6 +118,7 @@ def tokenize_fn(texts):
default='naive')
parser.add_argument('--model', default='gpt2', choices=['gpt2', 'bloom', 'opt'])
parser.add_argument('--pretrain', type=str, default=None)
parser.add_argument('--need_optim_ckpt', type=bool, default=False)
parser.add_argument('--num_episodes', type=int, default=10)
parser.add_argument('--max_timesteps', type=int, default=10)
parser.add_argument('--update_timesteps', type=int, default=10)
Expand Down