test_primitives.py 文件源码

def test_sum_bit0(self):

        n = 32
        x = np.random.random(n)
        # x = np.arange(n).astype(np.float64)

        x_gpu = drv.to_device(x)

        trace(
            x_gpu, np.int32(0), block=(
                n, 1, 1), grid=(
                1, 1, 1), shared=8 * 128)

        x2 = drv.from_device_like(x_gpu, x)

        print(x)
        print(x2)

        assert np.allclose(x2[1], np.sum(x[::2]))
        assert np.allclose(x2[0], np.sum(x[1::2]))