流水ライン性能簡易テスト

float
一、PCUbuntu 32ビット

#include 
#include 
#include 
#include  // for gettimeofday()

struct timeval start, end;  // define 2 struct timeval variables
long long total_time;



int main()
{

	int i,j,k;
	int width = 128;
	int height = 128;
    
	float *a00=(float*)malloc(128*128*sizeof(float));
	float *b00=(float*)malloc(128*128*sizeof(float));
	float *c00=(float*)malloc(128*128*sizeof(float));
  
    for(i=0;i

mike@ubuntu:/home/hisi/my_test$ ./test00
cache mat_mul time is 18511 us
mat_mul time is 16032 us
no waterline time is 13240 us
waterline 4 time is 10281 us
二、HI 3520 Dプレートに
float
# ./test00cache mat_mul time is 305383 usmat_mul time is 317441 usno waterline time is 286198 uswaterline 4 time is 283824 us
int
# ./test00cache mat_mul time is 20517 usmat_mul time is 33066 usno waterline time is 19357 uswaterline 4 time is 29512 us