theano安装

安装
1.sudo apt-get install python-numpy python-scipy python-dev python-pip python-nose g++  git

2.sudo pip install Theano

设置环境变量
vim /etc/prof
export THEANO_FLAGS=mode=FAST_RUN,device=gpu,floatX=float32


或 vim ~/.theaonrc 

[global] 
device = gpu 
floatX = float32
[nvcc] 
fastmath = True

4.vim /root/test.py

from theano import function, config, shared, sandbox  
import theano.tensor as T  
import numpy  
import time

vlen = 10 * 30 * 768  # 10 x #cores x # threads per core  
iters = 1000

rng = numpy.random.RandomState(22)  
x = shared(numpy.asarray(rng.rand(vlen), config.floatX))