Use saved optimizer and scheduler states if available

This commit is contained in:
Bilal Khan
2019-11-27 19:10:24 -06:00
committed by Lysandre Debut
parent a03fcf570d
commit 0eb973b0d9

View File

@@ -188,6 +188,13 @@ def train(args, train_dataset, model, tokenizer):
]
optimizer = AdamW(optimizer_grouped_parameters, lr=args.learning_rate, eps=args.adam_epsilon)
scheduler = get_linear_schedule_with_warmup(optimizer, num_warmup_steps=args.warmup_steps, num_training_steps=t_total)
# Check if saved optimizer or scheduler states exist
if os.path.isfile(os.path.join(args.model_name_or_path, 'optimizer.pt')) and os.path.isfile(os.path.join(args.model_name_or_path, 'scheduler.pt')):
# Load in optimizer and scheduler states
optimizer.load_state_dict(torch.load(os.path.join(args.model_name_or_path, 'optimizer.pt')))
scheduler.load_state_dict(torch.load(os.path.join(args.model_name_or_path, 'scheduler.pt')))
if args.fp16:
try:
from apex import amp