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# torch.cuda.set_per_process_memory_fraction

torch.cuda.set_per_process_memory_fraction(fraction, device=None)

  Set memory fraction for a process. The fraction is used to limit an caching allocator to allocated memory on a CUDA device. The allowed value equals the total visible memory multiplied fraction. If trying to allocate more than the allowed value in a process, will raise an out of memory error in allocator.

  Parameters:

    - fraction (float) – Range: 0~1. Allowed memory equals total_memory * fraction.

    - device (torch.device or int, optional) – selected device. If it is `None` the default CUDA device is used.

  Note

  In general, the total available free memory is less than the total capacity.

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