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.csdn.net/sinat_31824577/article/details/53140406
