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Fix bug in several dataset using #3
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WrathOfGrapes
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WrathOfGrapes:hw_asr_2021
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timothyxp:timothyxp_dataset_bug
Oct 19, 2021
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,6 +1,6 @@ | ||
from operator import xor | ||
|
||
from torch.utils.data import DataLoader, ChainDataset | ||
from torch.utils.data import DataLoader, ConcatDataset | ||
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||
import hw_asr.augmentations | ||
import hw_asr.batch_sampler as batch_sampler_module | ||
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@@ -18,8 +18,10 @@ def get_dataloaders(configs: ConfigParser, text_encoder: BaseTextEncoder): | |
# set train augmentations | ||
if split == 'train': | ||
wave_augs, spec_augs = hw_asr.augmentations.from_configs(configs) | ||
drop_last = True | ||
else: | ||
wave_augs, spec_augs = None, None | ||
drop_last = False | ||
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||
# create and join datasets | ||
datasets = [] | ||
|
@@ -29,7 +31,7 @@ def get_dataloaders(configs: ConfigParser, text_encoder: BaseTextEncoder): | |
wave_augs=wave_augs, spec_augs=spec_augs)) | ||
assert len(datasets) | ||
if len(datasets) > 1: | ||
dataset = ChainDataset(datasets) | ||
dataset = ConcatDataset(datasets) | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Все датасеты у нас индексированные, а Chain работает только с Iterable |
||
else: | ||
dataset = datasets[0] | ||
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||
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@@ -50,6 +52,8 @@ def get_dataloaders(configs: ConfigParser, text_encoder: BaseTextEncoder): | |
# create dataloader | ||
dataloader = DataLoader( | ||
dataset, batch_size=bs, collate_fn=collate_fn, | ||
shuffle=shuffle, num_workers=num_workers, batch_sampler=batch_sampler) | ||
shuffle=shuffle, num_workers=num_workers, | ||
batch_sampler=batch_sampler, drop_last=drop_last | ||
) | ||
dataloaders[split] = dataloader | ||
return dataloaders |
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ну и добавил drop_last чтобы казусов не было в конце эпохи