You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
35 lines
613 B
C
35 lines
613 B
C
6 years ago
|
/*
|
||
|
|
Test performance of native C UUID generation
|
||
|
|
|
||
|
|
To Compile: cc -luuid benchmark-native.c -o benchmark-native
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
#include <sys/time.h>
|
||
|
|
#include <uuid/uuid.h>
|
||
|
|
|
||
|
|
int main() {
|
||
|
|
uuid_t myid;
|
||
|
|
char buf[36+1];
|
||
|
|
int i;
|
||
|
|
struct timeval t;
|
||
|
|
double start, finish;
|
||
|
|
|
||
|
|
gettimeofday(&t, NULL);
|
||
|
|
start = t.tv_sec + t.tv_usec/1e6;
|
||
|
|
|
||
|
|
int n = 2e5;
|
||
|
|
for (i = 0; i < n; i++) {
|
||
|
|
uuid_generate(myid);
|
||
|
|
uuid_unparse(myid, buf);
|
||
|
|
}
|
||
|
|
|
||
|
|
gettimeofday(&t, NULL);
|
||
|
|
finish = t.tv_sec + t.tv_usec/1e6;
|
||
|
|
double dur = finish - start;
|
||
|
|
|
||
|
|
printf("%d uuids/sec", (int)(n/dur));
|
||
|
|
return 0;
|
||
|
|
}
|