test_viewop.py 文件源码

def test_viewop_gpu():
    from theano.sandbox import cuda
    if cuda.cuda_available is False:
        raise SkipTest('Optional package cuda disabled')
    _x = theano.tensor.fvector('x')
    x = cuda.gpu_from_host(_x)
    _out = theano.compile.ViewOp()(x)
    out = cuda.host_from_gpu(_out)
    f = theano.function([x],
                        out,
                        mode=mode_with_gpu)
    data = numpy.array([1, 2, 3], dtype='float32')
    assert numpy.allclose(f(data), data)