使用tensorflow model库里的cifar10 多gpu训练时,最后测试发现时间并没有减少,反而更慢 参考以下两个链接 https://github.com/keras-team/keras/issues/9204 https://medium.com/@c_61011/why-multi-gpu-training-is-not-faster-f439fe6dd6ec 原因可能是在cpu上进行参数梯度同步占每一步的很大比例 ‘’‘ It seems that CPU-side data
1. 已经安装cuda但是tensorflow仍然使用cpu加速的问题 电脑上同时安装了GPU和CPU版本的TensorFlow,本来想用下面代码测试一下GPU程序,但无奈老是没有调用GPU. import tensorflow as tf with tf.device('/cpu:0'): a = tf.constant ([1.0, 2.0, 3.0], shape=[3], name='a') b = tf.constant ([1.0, 2.0, 3.0], shape=[3], nam
不多说,直接上干货! You must choose one of the following types of TensorFlow to install: TensorFlow with CPU support only. If your system does not have a NVIDIA® GPU, you must install this version. Note that this version of TensorFlow is typically much easier
''' Created on May 25, 2017 @author: p0079482 ''' # 分布式深度学习模型训练模式 # 在一台机器的多个GPU上并行训练深度学习模型 from datetime import datetime import os import time import tensorflow as tf import mnist_inference # 定义训练神经网络时需要用到的配置. BATCH_SIZE = 100 LEARNING_RATE_BASE = 0.
http://blog.csdn.NET/babyfacer/article/details/6902985 原文链接:http://www.hpcwire.com/hpcwire/2011-06-09/top_10_objections_to_gpu_computing_reconsidered.html作者:Dr. Vincent Natoli, Stone Ridge Technology (http://www.stoneridgetechnology.com/ )译者:陈晓炜(转载请注
Google TensorFlow for GPU安装.配置大坑 从本周一开始(12.05),共4天半的时间,终于折腾好Google TensorFlow for GPU版本,其间跳坑无数,摔得遍体鳞伤,曾一度怀疑自己廉颇老矣,不能饭也:后,凭借自己多年积累得还算扎实的基本功,终于从无数个坑中爬出,百转千回,成功安装了TensorFLow,如下图: 题外话,图中a+b的输出结果为42是有意为之,因为<银河系漫游指南>中关于生命.宇宙及一切问题的终极答案就是42 先小小庆祝一下,然后再把其中几个