How can I implement asynchronous loading in PyTorch DataLoader?
You can use the num_workers
parameter in the DataLoader to enable asynchronous loading. Setting it to a value greater than 0 allows multiple subprocesses to load data.
What does the num_workers
parameter do exactly?
The num_workers
parameter specifies how many subprocesses to use for data loading. More workers can speed up data loading by parallelizing the process.
Are there any downsides to using multiple workers?
Yes, using too many workers can lead to increased memory usage and potential overhead, especially if the dataset is small.
How can I determine the optimal number of workers for my dataset?
You can experiment with different values of num_workers
and monitor the data loading time and system resource usage to find the optimal setting.
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