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transformers
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multi-gpu cleanup

This commit is contained in:
thomwolf 2018-11-04 11:54:57 +01:00
parent 5ee171689c
commit 1701291ef9
2 changed files with 6 additions and 11 deletions
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4
run_classifier.py
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@ -539,9 +539,11 @@ def main():
label_ids = label_ids.to(device)
loss, _ = model(input_ids, segment_ids, input_mask, label_ids)
loss = loss.mean() # sum() is to account for multi-gpu support.
if n_gpu > 1:
loss = loss.mean() # mean() to average on multi-gpu.
tr_loss += loss.item()
nb_tr_examples += input_ids.size(0)
model.zero_grad()
loss.backward()
optimizer.step()

13
run_squad.py
View File

@ -837,25 +837,19 @@ def main():
logger.info(" Batch size = %d", args.train_batch_size)
logger.info(" Num steps = %d", num_train_steps)
logger.info("HHHHH Loading data")
all_input_ids = torch.tensor([f.input_ids for f in train_features], dtype=torch.long)
all_input_mask = torch.tensor([f.input_mask for f in train_features], dtype=torch.long)
all_segment_ids = torch.tensor([f.segment_ids for f in train_features], dtype=torch.long)
#all_label_ids = torch.tensor([f.label_id for f in train_features], dtype=torch.long)
all_start_positions = torch.tensor([f.start_position for f in train_features], dtype=torch.long)
all_end_positions = torch.tensor([f.end_position for f in train_features], dtype=torch.long)
logger.info("HHHHH Creating dataset")
#train_data = TensorDataset(all_input_ids, all_input_mask, all_segment_ids, all_label_ids)
train_data = TensorDataset(all_input_ids, all_input_mask, all_segment_ids, all_start_positions, all_end_positions)
if args.local_rank == -1:
train_sampler = RandomSampler(train_data)
else:
train_sampler = DistributedSampler(train_data)
logger.info("HHHHH Dataloader")
train_dataloader = DataLoader(train_data, sampler=train_sampler, batch_size=args.train_batch_size)
logger.info("HHHHH Starting Traing")
model.train()
for epoch in trange(int(args.num_train_epochs), desc="Epoch"):
for input_ids, input_mask, segment_ids, start_positions, end_positions in tqdm(train_dataloader,
@ -863,19 +857,18 @@ def main():
input_ids = input_ids.to(device)
input_mask = input_mask.float().to(device)
segment_ids = segment_ids.to(device)
#label_ids = label_ids.to(device)
start_positions = start_positions.to(device)
end_positions = start_positions.to(device)
start_positions = start_positions.view(-1, 1)
end_positions = end_positions.view(-1, 1)
logger.info("HHHHH Forward")
loss, _ = model(input_ids, segment_ids, input_mask, start_positions, end_positions)
if n_gpu > 1:
loss = loss.mean() # mean() to average on multi-gpu.
model.zero_grad()
logger.info("HHHHH Backward, loss: {}".format(loss))
loss.backward()
logger.info("HHHHH Loading data")
optimizer.step()
global_step += 1
logger.info("Done %s steps", global_step)