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Colab 中的 Tensorboard:當前數據集沒有活動儀表板

[英]Tensorboard in Colab: No dashboards are active for the current data set

我正在嘗試在 Google Colab 中顯示一個 Tensorboard。 我導入 tensorboard: %load_ext tensorboard ,然后創建一個log_dir ,並按如下方式進行擬合:

log_dir = '/gdrive/My Drive/project/' + "logs/fit/" + datetime.datetime.now().strftime("%Y%m%d-%H%M%S")
tensorboard_callback = tf.keras.callbacks.TensorBoard(log_dir=log_dir, histogram_freq=1)

history = model.fit_generator(
    train_generator,
    steps_per_epoch=nb_train_samples // batch_size,
    epochs=epochs,
    validation_data=validation_generator,
    validation_steps=nb_validation_samples // batch_size,
    callbacks=[tensorboard_callback])

但是當我用%tensorboard --logdir logs/fit調用它時,它不會顯示。 相反,它會拋出以下消息:

當前數據集沒有活動的儀表板。

有解決方案嗎? 我在log_dir傳遞的固定路徑有問題嗎?

請嘗試以下代碼

log_dir = '/gdrive/My Drive/project/' + "logs/fit/"
tensorboard_callback = tf.keras.callbacks.TensorBoard(log_dir=log_dir, histogram_freq=1)

history = model.fit_generator(
    train_generator,
    steps_per_epoch=nb_train_samples // batch_size,
    epochs=epochs,
    validation_data=validation_generator,
    validation_steps=nb_validation_samples // batch_size,
    callbacks=[tensorboard_callback])

    %load_ext tensorboard
    %tensorboard --logdir /gdrive/My Drive/project/logs/fit/

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