Function cpu_statevec_initUniformState_sub

quest/src/cpu/cpu_subroutines.cpp:2442–2458

void cpu_statevec_initUniformState_sub(Qureg qureg, qcomp amp) {

    // approx-uniformly distribute modified memory pages across threads,
    // in the hope that each std::fill() will touch only memory within 
    // the thread's corresponding NUMA node, for best performance 

    int numAmpsPerPage = cpu_getPageSize() / sizeof(qcomp); // divides evenly

    #pragma omp parallel if(qureg.isMultithreaded)
    {
        const auto [start, end] = util_getBlockMultipleSubRange(
            qureg.numAmpsPerNode, numAmpsPerPage,
            cpu_getOpenmpThreadInd(), cpu_getCurrentNumThreads());

        std::fill(qureg.cpuAmps + start, qureg.cpuAmps + end, amp);
    }
}


void cpu_statevec_initDebugState_sub(Qureg qureg) {