12345678910111213141516171819202122232425262728293031323334 |
- /*
- 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;
- }
|