gistfile1.txt

    for (int size = 1; size < n; size = 2 * size) {
        int nSegments = n / size;
    
        #pragma omp for
        for(int segment = 0; segment < nSegments; ++segment) {
            int leftStart = segment * size;
            int mid = min(leftStart + (size / 2), n-1);
            int rightEnd = min(leftStart + size, n-1);
            merge(data, leftStart, mid, rightEnd); 
        }
    }