>>> import theano
DEBUG: nvcc STDOUT nvcc warning : The 'compute_20', 'sm_20', and 'sm_21' archite
ctures are deprecated, and may be removed in a future release (Use -Wno-deprecat
ed-gpu-targets to suppress warning).
nvcc warning : nvcc support for Microsoft Visual Studio 2010 and earlier has bee
n deprecated and is no longer being maintained
mod.cu
support for Microsoft Visual Studio 2010 has been deprecated!正在创建库 C:/Users/allen/AppData/Local/Theano/compiledir_Windows-7-6.1.7601-
SP1-Intel64_Family_6_Model_60_Stepping_3_GenuineIntel-2.7.12-64/tmp1wscvx/265abc
51f7c376c224983485238ff1a5.lib 和对象 C:/Users/allen/AppData/Local/Theano/compil
edir_Windows-7-6.1.7601-SP1-Intel64_Family_6_Model_60_Stepping_3_GenuineIntel-2.
7.12-64/tmp1wscvx/265abc51f7c376c224983485238ff1a5.expUsing gpu device 0: GeForce GTX 970 (CNMeM is enabled with initial size: 95.0% o
f memory, cuDNN 5005)

from theano import function, config, shared, sandbox
import theano.tensor as T
import numpy
import timevlen = 10 * 30 * 768  # 10 x #cores x # threads per core
iters = 1000rng = 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')

DEBUG: nvcc STDOUT nvcc warning : The 'compute_20', 'sm_20', and 'sm_21' architectures are deprecated, and may be removed in a future release (Use -Wno-deprecated-gpu-targets to suppress warning).
nvcc warning : nvcc support for Microsoft Visual Studio 2010 and earlier has been deprecated and is no longer being maintained
mod.cu
support for Microsoft Visual Studio 2010 has been deprecated!���ڴ����� C:/Users/allen/AppData/Local/Theano/compiledir_Windows-7-6.1.7601-SP1-Intel64_Family_6_Model_60_Stepping_3_GenuineIntel-2.7.12-64/tmpmdncsl/265abc51f7c376c224983485238ff1a5.lib �Ͷ��� C:/Users/allen/AppData/Local/Theano/compiledir_Windows-7-6.1.7601-SP1-Intel64_Family_6_Model_60_Stepping_3_GenuineIntel-2.7.12-64/tmpmdncsl/265abc51f7c376c224983485238ff1a5.expUsing gpu device 0: GeForce GTX 970 (CNMeM is enabled with initial size: 95.0% of memory, cuDNN 5005)

[GpuElemwise{exp,no_inplace}(<CudaNdarrayType(float32, vector)>), HostFromGpu(GpuElemwise{exp,no_inplace}.0)]
Looping 1000 times took 0.572000 seconds
Result is [ 1.23178029  1.61879349  1.52278066 ...,  2.20771813  2.299677611.62323296]
Used the gpu

如果显示使用GPU则一切正常。