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RuntimeError: DataLoader worker (pid(s) ~) exited unexpectedlyの原因と解決法

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実行環境

  • Windows10 Home
  • torch 1.1.0

PytorchでDataLoaderを使おうとしたところ以下のエラーが発生

実行したプログラム
torch.utils.data.DataLoader(
                            dataset = dataset,
                            batch_size = 100,
                            shuffle = True,
                            num_workers = 8)

エラー文
RuntimeError: DataLoader worker (pid(s) ~) exited unexpectedly

原因

メモリ不足が原因

解決策

num_workersをエラーが出ない値まで小さくする
ex) num_workers = 0 等

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