benchmark.cpp

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#include <iostream>
#include <omp.h>
using namespace std;

int main(int argc, char* argv[])
{
    if(argc < 3)
        {
                cout << "Usage: ./membm <datasize> <blocksize> <threadcount>" << endl;
                return 0;
        }

    int size = atoi(argv[0]);
    int bloc = atoi(argv[1]);
    int thrs = atoi(argv[2]);
    omp_set_num_threads(thrs);
    double * array = new double[size];

    int iters = size / bloc;
    
    #pragma omp parallel for
    for(int i=0; i< iters; ++i)
    {
        double accumulator = 0.0;
        for(int j=0; j < bloc; ++j)
        {
            accumulator += array[];
        }
    }
    return 0;
    
}