Spaces:
Runtime error
Runtime error
File size: 3,039 Bytes
be11144 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 |
#include <unittest/unittest.h>
#include <thrust/pair.h>
#include <thrust/transform.h>
#include <thrust/scan.h>
#if THRUST_DEVICE_SYSTEM == THRUST_DEVICE_SYSTEM_CUDA
#include <unittest/cuda/testframework.h>
#endif
struct make_pair_functor
{
template<typename T1, typename T2>
__host__ __device__
thrust::pair<T1,T2> operator()(const T1 &x, const T2 &y)
{
return thrust::make_pair(x,y);
} // end operator()()
}; // end make_pair_functor
struct add_pairs
{
template <typename Pair1, typename Pair2>
__host__ __device__
Pair1 operator()(const Pair1 &x, const Pair2 &y)
{
return thrust::make_pair(x.first + y.first, x.second + y.second);
} // end operator()
}; // end add_pairs
template <typename T>
struct TestPairScan
{
void operator()(const size_t n)
{
typedef thrust::pair<T,T> P;
thrust::host_vector<T> h_p1 = unittest::random_integers<T>(n);
thrust::host_vector<T> h_p2 = unittest::random_integers<T>(n);
thrust::host_vector<P> h_pairs(n);
thrust::host_vector<P> h_output(n);
// zip up pairs on the host
thrust::transform(h_p1.begin(), h_p1.end(), h_p2.begin(), h_pairs.begin(), make_pair_functor());
thrust::device_vector<T> d_p1 = h_p1;
thrust::device_vector<T> d_p2 = h_p2;
thrust::device_vector<P> d_pairs = h_pairs;
thrust::device_vector<P> d_output(n);
P init = thrust::make_pair(13,13);
// scan with plus
thrust::inclusive_scan(h_pairs.begin(), h_pairs.end(), h_output.begin(), add_pairs());
thrust::inclusive_scan(d_pairs.begin(), d_pairs.end(), d_output.begin(), add_pairs());
ASSERT_EQUAL_QUIET(h_output, d_output);
// scan with maximum (thrust issue #69)
thrust::inclusive_scan(h_pairs.begin(), h_pairs.end(), h_output.begin(), thrust::maximum<P>());
thrust::inclusive_scan(d_pairs.begin(), d_pairs.end(), d_output.begin(), thrust::maximum<P>());
ASSERT_EQUAL_QUIET(h_output, d_output);
// The tests below get miscompiled on Tesla hw for 8b types
#if THRUST_DEVICE_SYSTEM == THRUST_DEVICE_SYSTEM_CUDA
if(const CUDATestDriver *driver = dynamic_cast<const CUDATestDriver*>(&UnitTestDriver::s_driver()))
{
if(sizeof(T) == sizeof(unittest::uint8_t) && driver->current_device_architecture() < 200)
{
KNOWN_FAILURE;
} // end if
} // end if
#endif
// scan with plus
thrust::exclusive_scan(h_pairs.begin(), h_pairs.end(), h_output.begin(), init, add_pairs());
thrust::exclusive_scan(d_pairs.begin(), d_pairs.end(), d_output.begin(), init, add_pairs());
ASSERT_EQUAL_QUIET(h_output, d_output);
// scan with maximum (thrust issue #69)
thrust::exclusive_scan(h_pairs.begin(), h_pairs.end(), h_output.begin(), init, thrust::maximum<P>());
thrust::exclusive_scan(d_pairs.begin(), d_pairs.end(), d_output.begin(), init, thrust::maximum<P>());
ASSERT_EQUAL_QUIET(h_output, d_output);
}
};
VariableUnitTest<TestPairScan, unittest::type_list<unittest::int8_t,unittest::int16_t,unittest::int32_t> > TestPairScanInstance;
|