int main() {
int16_t x[2048]; int16_t y[2048]; int16_t z[2048];
int i,j;
time_t t;
/* Intializes random number generator */
srand((unsigned) time(&t));
for( j = 0 ; j < 2048 ; j++ ){
x[j] = rand()%1000;
y[j] = rand()%1000;
z[j] = 0;
}
printf("x = [ ");
for( j = 0 ; j < 2048 ; j++ ){
printf("%d, ", x[j]);
}
printf(" ] \n");
printf("y = [ ");
for( j = 0 ; j < 2048 ; j++ ){
printf("%d, ", y[j]);
}
printf("]\n");
m16_vv(x,y,z,2048);
printf("z = [ ");
for (i=0;i<16; i++){
printf("%d, ", z[i]);
}
printf(" ]\n");
printf("should be ");
printf(" = [ ");
for (i=0;i<16; i++){
printf("%d, ", (int)((x[i]*y[i])/pow(2,16)) *2 );
}
printf(" ]\n");
time_stats_t ts;
reset_meas (&ts);
start_meas (&ts);
unsigned long long k;
for(k=0;k< 4000000; k++){
m16_vv(x,y,z,2048);
}
stop_meas (&ts);
printf("difference: %lld \n", ts.diff);
return 0;
}
int main() {
time_stats_t ts;
int16_t x[16];
int16_t y[16];
int16_t z[16];
int N = 16;
int i;
time_t t;
srand((unsigned) time(&t));
for(i=0; i<16; i++){
x[i] = rand()%1000;
y[i] = rand()%1000;
z[i] = 0;
printf("%d ",x[i]);
}
printf("\nThat was x, now y: \n");
for(i=0; i<16; i++){
printf("%d ",y[i]);
}
printf("\n");
reset_meas(&ts);
start_meas(&ts);
m16_vv(x, y, z, N);
stop_meas(&ts);
printf("z:\n");
for(i=0; i<16; i++){
printf("%d ",z[i]);
}
printf("\nTimemeasure: %lld \n",ts.diff);
return 0;
}
