Here is an article about how to train a PyTorch based Deep Learning model using multiple GPU devices across multiple nodes on an HPC cluster:

https://tuni-itc.github.io/wiki/Technical-Notes/Distributed_dataparallel_pytorch/

There are a few bugs in the sample code in the article. Make sure to change the following lines of code:

model = AE(input_shape=784).cuda(args.gpus) 
model = torch.nn.parallel.DistributedDataParallel( model_sync, device_ids=[args.gpu], find_unused_parameters=True )

to
model = AE(input_shape=784).cuda(args.gpu) 
model = torch.nn.parallel.DistributedDataParallel( model, device_ids=[args.gpu], find_unused_parameters=True )
Topic revision: r1 - 08 Apr 2022, AdminUser
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