tst903c.mil

一个内存数据库的源代码这是服务器端还有客户端

# cost of a range split
module(alarm);

s2:= new(lng,lng);
i:= 0;
while(i<1000000){
	k:= rand();
	insert(s2,lng(k),lng(k));
	i:=i+1;
}
t0:= usec();
z:= rangesplit(s2,10);
t1:= usec();
print(z);
t3:=t1-t0;
printf("rangesplit %d\n",t3);
t0:= usec();
z:= hashsplit(s2,10);
t1:= usec();
print(z);
t3:=t1-t0;
printf("hashsplit %d\n",t3);
t0:= usec();
z:= urangesplit(s2,10);
t1:= usec();
print(z);
t3:=t1-t0;
printf("urangesplit %d\n",t3);
t0:= usec();
z:= uhashsplit(s2,10);
t1:= usec();
print(z);
t3:=t1-t0;
printf("uhashsplit %d\n",t3);