Function thrustSortByKey

src/backend/cuda/kernel/thrust_sort_by_key_impl.hpp:21–30

// Wrapper functions
template<typename Tk, typename Tv>
void thrustSortByKey(Tk *keyPtr, Tv *valPtr, int elements, bool isAscending) {
    if (isAscending) {
        THRUST_SELECT(thrust::stable_sort_by_key, keyPtr, keyPtr + elements,
                      valPtr);
    } else {
        THRUST_SELECT(thrust::stable_sort_by_key, keyPtr, keyPtr + elements,
                      valPtr, thrust::greater<Tk>());
    }
    POST_LAUNCH_CHECK();
}

#define INSTANTIATE(Tk, Tv)                                         \
    template void thrustSortByKey<Tk, Tv>(Tk * keyPtr, Tv * valPtr, \