在Keras中将cpu切换为gpu

在终端中输入gedit ~/.theanorc
这时文档应是空白的，在文档中写入：

[global]  
device=gpu  
floatX=float32 

[dnn.conv]
algo_bwd_filter = deterministic
algo_bwd_data = deterministic

[cuda]
root=/usr/local/cuda-8.0

[lib]
cnmem=0.3

[nvcc]
fastmath = True
optimizer_including=cudnn

参考：http://blog.youkuaiyun.com/sinat_31824577/article/details/53140406