What s the code to use distributed training with Horovod for scalable image generation on large datasets

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Give me the code to use distributed training with Horovod for scalable image generation on large datasets?
Dec 6 in Generative AI by Ashutosh
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1 answer to this question.

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To use distributed training with Horovod for scalable image generation on large datasets, you need to integrate Horovod with your PyTorch model. Horovod enables data parallelism across multiple GPUs/machines, improving scalability and training speed.

Here are the steps you can follow:

  • Install Horovod
  • Distributed Training Code
Here is the code you can refer to:

In the code, we are using the following:

  • Horovod Initialization:

    • hvd.init() initializes the Horovod environment.
    • Set the device for each rank using torch.cuda.set_device(hvd.local_rank()).
  • Distributed Optimizer:

    • hvd.DistributedOptimizer is used to ensure synchronization of gradients across multiple workers.
  • Broadcasting Model:

    • hvd.broadcast_parameters ensures that the model parameters are synchronized across all workers.
  • Gradient Averaging:

    • hvd.allreduce averages gradients across all workers to synchronize updates.
  • Scalability:

    • Horovod enables you to scale the training to multiple GPUs across different nodes for large datasets and high-performance training.
Hence referring to the above will help you in using distributed training with Horovod for scalable image generation on large datasets
answered Dec 6 by anupam

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