Exemplo n.º 1
0
model = LSTM()
model.compile(optimizer="adam",
              loss="categorical_crossentropy",
              metrics=["accuracy"])

cp_path = "training_2/cp-{epoch:04d}.h5py"
cp_dir = os.path.dirname(cp_path)

# Create a callback that saves the model's weights
cp_callback = tf.keras.callbacks.ModelCheckpoint(filepath=cp_path,
                                                 verbose=1,
                                                 save_weights_only=True,
                                                 period=1)
log_dir = "./runs"
tensorboard_callback = tf.keras.callbacks.TensorBoard(log_dir=log_dir)

print("Initiating Training.")
# model.fit(train_ds, epochs = 10, validation_data = val_ds, steps_per_epoch = train_ct, validation_steps = val_ct, shuffle = True, callbacks = [cp_callback])
model.fit(train_ds,
          epochs=10,
          validation_data=val_ds,
          steps_per_epoch=train_ct,
          validation_steps=val_ct,
          shuffle=True,
          callbacks=[cp_callback, tensorboard_callback])
model.save_weights("./training_1/model.h5py")
print("Finished Training.")

# export PATH=/usr/local/cuda-10.0/bin:/usr/local/cuda-10.0/NsightCompute-1.0${PATH:+:${PATH}}
# export LD_LIBRARY_PATH=/usr/local/cuda-10.0/lib64${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}
Exemplo n.º 2
0
        adam = tf.keras.optimizers.Adam(lr=0.001,
                                        beta_1=0.9,
                                        beta_2=0.999,
                                        epsilon=1e-08)
        rmsprop = tf.keras.optimizers.RMSprop(lr=0.001, rho=0.9, epsilon=1e-06)
        lstm.compile(loss='categorical_crossentropy', optimizer=adam)
        if MODE == 'train':
            lstm.fit(input_train,
                     tr_one_hot,
                     batch_size=32,
                     epochs=20,
                     verbose=1,
                     shuffle=True)

            # Save model
            lstm.save_weights(r'./saved_model/LSTM/lstm_20.HDF5')
            print('model saved.')
        else:
            # Load model
            lstm.load_weights(r'./saved_model/LSTM/lstm_20.HDF5')
            print('model loaded.')

        pred = lstm.predict(input_validation)
        pred = np.argmax(pred, axis=1)
        print('On validate data: ')
        metrics(y_test, pred)

        pred_tr = lstm.predict(input_train)
        pred_tr = np.argmax(pred_tr, axis=1)
        print('On train data: ')
        metrics(y_train, pred_tr)