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Prepare optimizer only when args.do_train is True

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MottoX
2019-05-02 19:09:29 +08:00
parent 3ae8c8be1e
commit 74dbba64bc
5 changed files with 130 additions and 125 deletions
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27
examples/run_openai_gpt.py
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@@ -183,19 +183,20 @@ def main():
eval_dataloader = DataLoader(eval_data, sampler=eval_sampler, batch_size=args.eval_batch_size)
# Prepare optimizer
param_optimizer = list(model.named_parameters())
no_decay = ['bias', 'LayerNorm.bias', 'LayerNorm.weight']
optimizer_grouped_parameters = [
{'params': [p for n, p in param_optimizer if not any(nd in n for nd in no_decay)], 'weight_decay': 0.01},
{'params': [p for n, p in param_optimizer if any(nd in n for nd in no_decay)], 'weight_decay': 0.0}
]
num_train_optimization_steps = len(train_data) * args.num_train_epochs // args.train_batch_size
optimizer = OpenAIAdam(optimizer_grouped_parameters,
lr=args.learning_rate,
warmup=args.warmup_proportion,
max_grad_norm=args.max_grad_norm,
weight_decay=args.weight_decay,
t_total=num_train_optimization_steps)
if args.do_train:
param_optimizer = list(model.named_parameters())
no_decay = ['bias', 'LayerNorm.bias', 'LayerNorm.weight']
optimizer_grouped_parameters = [
{'params': [p for n, p in param_optimizer if not any(nd in n for nd in no_decay)], 'weight_decay': 0.01},
{'params': [p for n, p in param_optimizer if any(nd in n for nd in no_decay)], 'weight_decay': 0.0}
]
num_train_optimization_steps = len(train_data) * args.num_train_epochs // args.train_batch_size
optimizer = OpenAIAdam(optimizer_grouped_parameters,
lr=args.learning_rate,
warmup=args.warmup_proportion,
max_grad_norm=args.max_grad_norm,
weight_decay=args.weight_decay,
t_total=num_train_optimization_steps)
if args.do_train:
nb_tr_steps, tr_loss, exp_average_loss = 0, 0, None