#include <cub/cub.cuh>

void a()
{
    printf("a() called\n");

    cub::DoubleBuffer<unsigned int>     d_keys;
    cub::DoubleBuffer<cub::NullType>    d_values;
    size_t                              temp_storage_bytes = 0;
    cub::DeviceRadixSort::SortPairs(NULL, temp_storage_bytes, d_keys, d_values, 1024);
}