Last active
April 21, 2016 15:50
-
-
Save phil8192/3523d917f3625e4c86175ffb9382249d to your computer and use it in GitHub Desktop.
testgpu
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
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)) | |
f = function([], T.exp(x)) | |
print(f.maker.fgraph.toposort()) | |
t0 = time.time() | |
for i in range(iters): | |
r = f() | |
t1 = time.time() | |
print("Looping %d times took %f seconds" % (iters, t1 - t0)) | |
print("Result is %s" % (r,)) | |
if numpy.any([isinstance(x.op, T.Elemwise) for x in f.maker.fgraph.toposort()]): | |
print('Used the cpu') | |
else: | |
print('Used the gpu') |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment