Method isFusingCandidate

Src/Base/AMReX_FabArrayBase.cpp:2704–2726

}

bool
FabArrayBase::isFusingCandidate () const noexcept // NOLINT(readability-convert-member-functions-to-static)
{
#ifdef AMREX_USE_GPU
    // This is fine tuned on MI100.
    // For V100 and A100, it is not very sensitive to the choice here.
    const int n = local_size();
    if (n <= 1) {
        return false;
    } else if (n > 8) {
        return true;
    } else {
        for (int i = 0; i < n; ++i) {
            if (boxarray[indexArray[i]].numPts() <= Long(65*65*65)) {
                return true;
            }
        }
        return false;
    }
#else
    return false;
#endif
}

#ifdef AMREX_USE_GPU