Test

#include <sys/time.h>
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <strings.h>
#include "test2.h"

double gettime ()
{
    struct timeval tv;
    gettimeofday (&tv, NULL);
    return (double)tv.tv_sec + (0.000001 * (double)tv.tv_usec);
}

#define N 400000000

int main ()
{
    float z = sqrtf(2)/2;
    float a[4] __attribute__((aligned(16))) = {z,z,0,0};
    float (*b)[4] = aligned_alloc (16, 4*N*sizeof(float));
    int i;

    for (i=0; i<N; i++)
    {
        bzero (b[i], 16);
        b[i][i%3] = 4;
    }

    double time = gettime();
    for (i=0; i<N; i++)
    {
#if 0
        b[i][0] = 0;
#endif
        rotate_vector (a,b[i],b[i]);
    }
    time = gettime() - time;
    printf ("%f %f %f\n", b[0][0], b[0][1], b[0][2]);
    printf ("%f\n", time);
    return 0;
}