#include <stdio.h>

#include <intrin.h>

#include <iostream>

#include <ctime>

using namespace std;

void test1(double *a, double *b, double *re)

{

    size_t t = clock();

    for (int k = ; k < ; k++)

    {

        for (int i = ; i < ; i++)

        {

            re[i] = a[i] + b[i];

        }

    }

    size_t en = clock();

    cout << en - t << endl;

}

void test2(double *a, double *b, double *re)

{

    size_t t = clock();

    __m256d m1, m2;

    for (int k = ; k < ; k++)

    {

        for (int i = ; i < ; i += )

        {

            m1 = _mm256_set_pd(a[i], a[i + ], a[i + ], a[i + ]);

            m2 = _mm256_set_pd(b[i], b[i + ], b[i + ], b[i + ]);

            __m256d l1 = _mm256_add_pd(m1, m2);

            re[i + ] = l1.m256d_f64[];

            re[i + ] = l1.m256d_f64[];

            re[i + ] = l1.m256d_f64[];

            re[i]     = l1.m256d_f64[];

        }

    }

    size_t en = clock();

    cout << en - t << endl;

}

int main(int argc, char* argv[])

{

    double *a = new double[];

    double *b = new double[];

    double *re = new double[];

    for (int i = ; i < ; i++)

    {

        a[i] = i;

        b[i] = i;

    }

    test1(a, b, re);

    test2(a, b, re);

    delete[] a;

    delete[] b;

    delete[] re;

    system("pause");

    return ;

}