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[fix bug] add zero_grad() above backward() in kws/utils/executor.py (#72)

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chmod740 2022-05-30 20:26:38 +08:00
parent cff8a5fe26
commit f2cade7684
1 changed files with 1 additions and 1 deletions
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kws/utils/executor.py
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@ -46,11 +46,11 @@ class Executor:
logits = model(feats) logits = model(feats)
loss_type = args.get('criterion', 'max_pooling') loss_type = args.get('criterion', 'max_pooling')
loss, acc = criterion(loss_type, logits, target, feats_lengths) loss, acc = criterion(loss_type, logits, target, feats_lengths)
optimizer.zero_grad()
loss.backward() loss.backward()
grad_norm = clip_grad_norm_(model.parameters(), clip) grad_norm = clip_grad_norm_(model.parameters(), clip)
if torch.isfinite(grad_norm): if torch.isfinite(grad_norm):
optimizer.step() optimizer.step()
optimizer.zero_grad()
if batch_idx % log_interval == 0: if batch_idx % log_interval == 0:
logging.debug( logging.debug(
'TRAIN Batch {}/{} loss {:.8f} acc {:.8f}'.format( 'TRAIN Batch {}/{} loss {:.8f} acc {:.8f}'.format(