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Fix GPTDataset Assert #6798

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Jun 2, 2023
Merged

Fix GPTDataset Assert #6798

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2 changes: 1 addition & 1 deletion nemo/collections/nlp/data/language_modeling/megatron/gpt_dataset.py
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Original file line number Diff line number Diff line change
Expand Up @@ -601,7 +601,7 @@ def _build_index_mappings(
last_epoch_num_samples = num_samples - num_samples_from_epochs_minus_one
assert last_epoch_num_samples >= 0, 'last epoch number of samples should be non-negative.'
num_samples_per_epoch = (tokens_per_epoch - add_extra_token) // seq_length
assert last_epoch_num_samples < (
assert last_epoch_num_samples <= (
num_samples_per_epoch + 1
), 'last epoch number of samples exceeded max value.'
# If we have less than 80% of the samples for the last epoch,
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