問題描述

將圖片導(dǎo)入到程序里 一邊導(dǎo)入一邊訓(xùn)練 batch_size的大小
但是一直是這情況
2018-09-06 15:12:24.930926: I T:srcgithubtensorflowtensorflowcoreplatformcpu_feature_guard.cc:141] Your CPU supports instructions that this TensorFlow binary was not compiled to use: AVX2
2018-09-06 15:12:25.951985: W T:srcgithubtensorflowtensorflowcoreframeworkallocator.cc:108] Allocation of 1511424000 exceeds 10% of system memory.

問題出現(xiàn)的環(huán)境背景及自己嘗試過哪些方法

我用了TFRecords方法

相關(guān)代碼

def read_and_decode(filename):
    filename_queue = tf.train.string_input_producer([filename])

    reader = tf.TFRecordReader()
    _, serialized_example = reader.read(filename_queue)
    features = tf.parse_single_example(serialized_example,
                                       features={
                                           'label': tf.FixedLenFeature([], tf.int64),
                                           'img_raw' : tf.FixedLenFeature([], tf.string),
                                       })

    img = tf.decode_raw(features['img_raw'], tf.uint8)
    img = tf.reshape(img, [600, 328, 1])
    img = tf.cast(img, tf.float32) * (1. / 255) - 0.5
    label = tf.cast(features['label'], tf.int32)

    return img, label

if __name__ == '__main__':
    


    img, label = read_and_decode("train.tfrecords")

    img_train, label_train = tf.train.shuffle_batch([img, label],
                                                    batch_size=30, capacity=2000,
                                                    min_after_dequeue=1000)
    
    print("begin")
    

    
    
    print("begin data")
    
    def weight_variable(shape):
        initial = tf.truncated_normal(shape, stddev =  0.1)
        return tf.Variable(initial)

    def bias_variable(shape):
        initial = tf.constant(0.1, shape = shape)
        return tf.Variable(initial)

    def conv2d(x, W):
        return tf.nn.conv2d(x, W, strides = [1, 1, 1, 1], padding =    'SAME')

    def max_pool_2x2(x):
        return tf.nn.max_pool(x, ksize = [1, 2, 2, 1], strides = [1, 2, 2, 1], padding = 'SAME')
    
    def avg_pool_82x150(x):
        return tf.nn.avg_pool(x, ksize = [1, 150, 82, 1], strides = [1, 150, 82, 1], padding = 'SAME')
    

    x = tf.placeholder(tf.float32, [None, 600, 328, 1])
    y = tf.placeholder(tf.float32, [None, 6])
    
    W_conv1 = weight_variable([5, 5, 1, 64])
    b_conv1 = bias_variable([64])
    
    x_image = tf.reshape(x, [-1, 600, 328, 1])
    
    h_conv1 = tf.nn.relu(conv2d(x_image, W_conv1) + b_conv1)
    h_pool1 = max_pool_2x2(h_conv1)
    
    W_conv2 = weight_variable([5, 5, 64, 64])
    b_conv2 = bias_variable([64])
    
    h_conv2 = tf.nn.relu(conv2d(h_pool1, W_conv2) + b_conv2)
    h_pool2 = max_pool_2x2(h_conv2)
        
    W_conv3 = weight_variable([5, 5, 64, 6])
    b_conv3 = bias_variable([6])
    h_conv3 = tf.nn.relu(conv2d(h_pool2, W_conv3) + b_conv3)
    
    
    # 經(jīng)過兩層池化后  圖片變成82*150
    nt_hpool3 = avg_pool_82x150(h_conv3)
    nt_hpool3_flat = tf.reshape(nt_hpool3, [-1, 6])
    y_conv = tf.nn.softmax(nt_hpool3_flat)    
    
    
    cross_entropy = -tf.reduce_sum(y*tf.log(y_conv))
    train_step = tf.train.AdamOptimizer(1e-4).minimize(cross_entropy)
    
    correct_prediction = tf.equal(tf.argmax(y_conv, 1), tf.argmax(y, 1))
    accuracy = tf.reduce_mean(tf.cast(correct_prediction, "float"))
    

    #開始會話訓(xùn)練
    sess = tf.Session()
    sess.run(tf.global_variables_initializer())
    tf.train.start_queue_runners(sess = sess)

    for i in range(1000):
        image_batch, label_batch = sess.run([img_train, label_train])
        label_b = np.eye(6, dtype =float)[label_batch]
        train_step.run(feed_dict = {x:image_batch, y:label_b},session = sess)
    
        if i%200 == 0:
            train_accuracy = accuracy.eval(feed_dict = {x:image_batch, y:label_b}, session = sess)
            print("step %d, training accuracy %g" %(i, train_accuracy))
    

你期待的結(jié)果是什么？實際看到的錯誤信息又是什么？

首先內(nèi)存爆滿
然后就是begin
begin data
2018-09-06 15:25:13.005857: I T:srcgithubtensorflowtensorflowcoreplatformcpu_feature_guard.cc:141] Your CPU supports instructions that this TensorFlow binary was not compiled to use: AVX2
2018-09-06 15:25:14.016915: W T:srcgithubtensorflowtensorflowcoreframeworkallocator.cc:108] Allocation of 1511424000 exceeds 10% of system memory.
2018-09-06 15:25:15.642008: W T:srcgithubtensorflowtensorflowcoreframeworkallocator.cc:108] Allocation of 377856000 exceeds 10% of system memory.
2018-09-06 15:25:15.974027: W T:srcgithubtensorflowtensorflowcoreframeworkallocator.cc:108] Allocation of 377856000 exceeds 10% of system memory.
2018-09-06 15:25:31.735929: W T:srcgithubtensorflowtensorflowcoreframeworkallocator.cc:108] Allocation of 377856000 exceeds 10% of system memory.
2018-09-06 15:25:35.883166: W T:srcgithubtensorflowtensorflowcoreframeworkallocator.cc:108] Allocation of 377856000 exceeds 10% of system memory.
step 0, training accuracy 0.0333333
就這樣 卡著不動了