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Python prettytensor.apply_optimizer方法代碼示例

本文整理匯總了Python中prettytensor.apply_optimizer方法的典型用法代碼示例。如果您正苦於以下問題:Python prettytensor.apply_optimizer方法的具體用法?Python prettytensor.apply_optimizer怎麽用?Python prettytensor.apply_optimizer使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在prettytensor的用法示例。


在下文中一共展示了prettytensor.apply_optimizer方法的3個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。

示例1: prepare_trainer

# 需要導入模塊: import prettytensor [as 別名]
# 或者: from prettytensor import apply_optimizer [as 別名]
def prepare_trainer(self, generator_loss, discriminator_loss):
        '''Helper function for init_opt'''
        all_vars = tf.trainable_variables()

        g_vars = [var for var in all_vars if
                  var.name.startswith('g_')]
        d_vars = [var for var in all_vars if
                  var.name.startswith('d_')]

        generator_opt = tf.train.AdamOptimizer(self.generator_lr,
                                               beta1=0.5)
        self.generator_trainer =\
            pt.apply_optimizer(generator_opt,
                               losses=[generator_loss],
                               var_list=g_vars)
        discriminator_opt = tf.train.AdamOptimizer(self.discriminator_lr,
                                                   beta1=0.5)
        self.discriminator_trainer =\
            pt.apply_optimizer(discriminator_opt,
                               losses=[discriminator_loss],
                               var_list=d_vars)
        self.log_vars.append(("g_learning_rate", self.generator_lr))
        self.log_vars.append(("d_learning_rate", self.discriminator_lr)) 
開發者ID:hanzhanggit,項目名稱:StackGAN,代碼行數:25,代碼來源:trainer.py

示例2: define_one_trainer

# 需要導入模塊: import prettytensor [as 別名]
# 或者: from prettytensor import apply_optimizer [as 別名]
def define_one_trainer(self, loss, learning_rate, key_word):
        '''Helper function for init_opt'''
        all_vars = tf.trainable_variables()
        tarin_vars = [var for var in all_vars if
                      var.name.startswith(key_word)]

        opt = tf.train.AdamOptimizer(learning_rate, beta1=0.5)
        trainer = pt.apply_optimizer(opt, losses=[loss], var_list=tarin_vars)
        return trainer 
開發者ID:hanzhanggit,項目名稱:StackGAN,代碼行數:11,代碼來源:trainer.py

示例3: run_model

# 需要導入模塊: import prettytensor [as 別名]
# 或者: from prettytensor import apply_optimizer [as 別名]
def run_model(result):
    accuracy = result.softmax.evaluate_classifier\
               (labels_placeholder,phase=pt.Phase.test)
    train_images, train_labels = data_utils.mnist(training=True)
    test_images, test_labels = data_utils.mnist(training=False)
    optimizer = tf.train.GradientDescentOptimizer(0.01)
    train_op = pt.apply_optimizer(optimizer,losses=[result.loss])
    runner = pt.train.Runner(save_path=FLAGS.save_path)
    with tf.Session():
        for epoch in range(0,10):
            train_images, train_labels = \
                          data_utils.permute_data\
                          ((train_images, train_labels))
            runner.train_model(train_op,result.\
                               loss,EPOCH_SIZE,\
                               feed_vars=(image_placeholder,\
                                          labels_placeholder),\
                               feed_data=pt.train.\
                               feed_numpy(BATCH_SIZE,\
                                          train_images,\
                                          train_labels),\
                               print_every=100)
            classification_accuracy = runner.evaluate_model\
                                      (accuracy,\
                                       TEST_SIZE,\
                                       feed_vars=(image_placeholder,\
                                                  labels_placeholder),\
                                       feed_data=pt.train.\
                                       feed_numpy(BATCH_SIZE,\
                                                  test_images,\
                                                  test_labels))
        print("epoch" , epoch + 1)
        print("accuracy", classification_accuracy ) 
開發者ID:PacktPublishing,項目名稱:Deep-Learning-with-TensorFlow-Second-Edition,代碼行數:35,代碼來源:pretty_tensor_digit.py


注:本文中的prettytensor.apply_optimizer方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。