Mysql使用Tcmalloc的性能测试-

mysql使用Tcmalloc的性能测试代码

 

#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <time.h>
include <sys/time.h>
#include <pthread.h>
#define MAX_COUNT 1000*1000
void fun(int a)
{
        char* ptr = (char*)malloc(i);
         free(ptr);
}
void* fun_thread(void*)
{
        int a = 0;
         int b = 1;
        while(a++<MAX_COUNT)
         {
                   b ++;
                   fun(b);
                   if ( b>1024 )
                            b = 1;
         }
}
#define MSECOND 1000000
int main()
{
         struct timeval tpstart,tpend;
         float timeuse;
        gettimeofday(&tpstart,NULL);
         pthread_t _deliver_t;
         pthread_create(&_deliver_t, NULL, fun_thread, NULL);
         int a = 0;
         int b = 1;
         while(a++<MAX_COUNT)
         {
                   b++;
                   fun(a);
                  if ( b > 1024 )
                           b = 1;
                   //usleep(1);
         }
         gettimeofday(&tpend,NULL);
         timeuse=MSECOND*(tpend.tv_sec-tpstart.tv_sec)+tpend.tv_usec-tpstart.tv_usec;
         timeuse/=MSECOND;
         printf("Used Time:%f\n", timeuse);
         return 0;
}
注：代码部分引自网络佳人（名字已忘记，呵呵），欢迎沟通，交流。