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# Copyright (c) Facebook, Inc. and its affiliates.
#
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.
from functools import lru_cache
from . import BaseWrapperDataset
class LRUCacheDataset(BaseWrapperDataset):
def __init__(self, dataset, token=None):
super().__init__(dataset)
@lru_cache(maxsize=8)
def __getitem__(self, index):
return self.dataset[index]
@lru_cache(maxsize=8)
def collater(self, samples):
return self.dataset.collater(samples)
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