uuid_speed.c

#include <uuid/uuid.h>
#include <time.h>
#include <stdio.h>
#include <ctime>

int main(void)
{
    uuid_t blob = {};
    clock_t startTime = clock();
    
    const int totalRuns = 1E6;
    for (int i = 0; i < totalRuns; i++) {
        uuid_generate_time(blob);
    }
        
    clock_t endTime = clock();

    
    char outbuf[512];
    uuid_unparse(blob, outbuf);
    double elapsed_secs = double(endTime - startTime) / CLOCKS_PER_SEC;
    double elapsed_usec = elapsed_secs * 1E6;
    double per_run = (elapsed_usec / totalRuns);
    printf("%0.6f usec per run\n",per_run);
    printf("last uuid: %s \n",outbuf);

}