目前正在尝试用网格搜索参数为一个相当简单的深度学习模型克拉斯特遣部队地址:
params = getTensorParams()
batchSize = 64*2*2
epochs = 15
learningRate = 0.01
noVals = np.load(pre + 'noVals.npy')
noBatches = math.ceil(noVals / batchSize)
call = tf.keras.callbacks.EarlyStopping(monitor='val_loss', min_delta=0, patience=4, verbose=2, mode='auto',
restore_best_weights=True)
timeStart = time.time()
model = tf.keras.models.Sequential()
model.add(tf.keras.layers.BatchNormalization(epsilon=0.001, center=True, scale=True))
model.add(tf.keras.layers.Dense(layerSize1, activation=activationFunc1, activity_regularizer=tf.keras.regularizers.l1(0.001)))
model.add(tf.keras.layers.Dropout(dropout1))
model.add(tf.keras.layers.Dense(layerSize2, activation=activationFunc2, activity_regularizer=tf.keras.regularizers.l2(0.001)))
model.add(tf.keras.layers.Dropout(dropout2))
model.add(tf.keras.layers.Dense(1, activation='sigmoid'))
opt = tf.keras.optimizers.Adam(lr=learningRate, decay=learningRate/epochs)
model.compile(optimizer=opt, loss='binary_crossentropy', metrics=['accuracy'])
results = model.fit_generator(
dataGeneratorLoad(noVals, batchSize, params['fileLength'], pre),
steps_per_epoch=noBatches, verbose=2,
epochs=epochs,
validation_data=(validation_x, validation_y),
callbacks=[
call,
]
)
这就是完整的相关代码。此代码在本地运行时按预期执行。 但是,当使用GPU运行时在Google Colab上运行时,会产生以下输出:
Epoch 1/15
145500/1701 - 7s - loss: 1.0490 - acc: 0.6385
1701/1701 - 196s - loss: 0.2924 - acc: 0.8286 - val_loss: 0.7632 - val_acc: 0.6385
Epoch 2/15
Epoch 1/15
145500/1701 - 7s - loss: 1.0077 - acc: 0.6463
1701/1701 - 142s - loss: 0.2255 - acc: 0.8664 - val_loss: 0.8231 - val_acc: 0.6463
Epoch 3/15
Epoch 1/15
145500/1701 - 7s - loss: 1.1563 - acc: 0.6394
1701/1701 - 143s - loss: 0.1931 - acc: 0.8899 - val_loss: 0.8333 - val_acc: 0.6394
Epoch 4/15
Epoch 1/15
145500/1701 - 7s - loss: 0.9712 - acc: 0.6381
1701/1701 - 140s - loss: 0.2216 - acc: 0.8176 - val_loss: 0.8932 - val_acc: 0.6381
Epoch 5/15
Epoch 1/15
145500/1701 - 7s - loss: 1.0497 - acc: 0.6369
每个时代都是这样。只是想知道是否有人经历过或知道一个解决办法。第一个问题,所以lmk如果内容需要添加。最令人费解的是,它在本地工作得很好。似乎在别处找不到这个文件。你知道吗
目前没有回答
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