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연습 문제

Local SGD with Accelerator

You've implemented gradient accumulation and gradient checkpointing to streamline memory usage for your language translation model. Training is still a bit slow, so you decide to add local SGD to your training loop to improve communication efficiency between devices. Build the training loop with local SGD!

The model, train_dataloader, and accelerator have been pre-defined, and LocalSGD has been imported.

지침

100 XP
  • Set up a context manager for local SGD, and synchronize gradients every eight steps.
  • Step the local SGD context manager.