This tutorial summarizes how to write and launch PyTorch distributed data parallel jobs across multiple nodes, with working examples with the torch.distributed.launch, torchrun and mpirun APIs.
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This presentation is a high-level overview of the different types of training regimes you'll encounter as you move from single GPU to multi GPU to multi node distributed training. It describes where the computation happens, how the gradients are communicated, and how the models are updated and communicated.
Published 05/31/2019 by Stephen Balaban
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