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Fix MultiEpochSampler __len__() > 0 error #76

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Fix MultiEpochSampler __len__() > 0 error #76

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3 changes: 2 additions & 1 deletion utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -491,7 +491,7 @@ def __init__(self, data_source, num_epochs, start_itr=0, batch_size=128):
self.data_source = data_source
self.num_samples = len(self.data_source)
self.num_epochs = num_epochs
self.start_itr = start_itr
self.start_itr = start_itr%int((self.num_samples*self.num_epochs)/batch_size)
self.batch_size = batch_size

if not isinstance(self.num_samples, int) or self.num_samples <= 0:
Expand All @@ -514,6 +514,7 @@ def __iter__(self):
# return iter(.tolist())
output = torch.cat(out).tolist()
print('Length dataset output is %d' % len(output))
self.start_itr = 0
return iter(output)

def __len__(self):
Expand Down