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Duplicate data returned when use num_workers param (multi-processing) in Dataloader #150

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Albert-Ma opened this issue Sep 26, 2020 · 0 comments
Open

Duplicate data returned when use num_workers param (multi-processing) in Dataloader #150

Albert-Ma opened this issue Sep 26, 2020 · 0 comments
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Albert-Ma commented Sep 26, 2020 •
edited

`trainloader = mz.dataloader.DataLoader(
dataset=trainset,
stage='train',
num_workers=30,
callback=padding_callback
)``

Result:

image

It shows that model will train num_worker time, 30 in this experiment, in one epoch!

A Possible Solution: splitting workload across all workers in Dataset/ __iter__ function!
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@Albert-Ma