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Avoid always sync

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Kohaku-Blueleaf
2024-01-23 11:49:03 +08:00
parent 696dd7f668
commit 711b40ccda
1 changed files with 5 additions and 4 deletions
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9
train_network.py
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@@ -847,10 +847,11 @@ class NetworkTrainer:
loss = loss.mean() # 平均なのでbatch_sizeで割る必要なし
accelerator.backward(loss)
self.all_reduce_network(accelerator, network) # sync DDP grad manually
if accelerator.sync_gradients and args.max_grad_norm != 0.0:
params_to_clip = accelerator.unwrap_model(network).get_trainable_params()
accelerator.clip_grad_norm_(params_to_clip, args.max_grad_norm)
if accelerator.sync_gradients:
self.all_reduce_network(accelerator, network) # sync DDP grad manually
if args.max_grad_norm != 0.0:
params_to_clip = accelerator.unwrap_model(network).get_trainable_params()
accelerator.clip_grad_norm_(params_to_clip, args.max_grad_norm)
optimizer.step()
lr_scheduler.step()