perf.c

   1
   2 #include <stdlib.h>
   3 #include <stdio.h>
   4 #include <sys/time.h>
   5
   6 #include "tube.h"
   7 #include "job.h"
   8 #include "util.h"
   9 #include "pq.h"
  10
  11 static tube default_tube;
  12
  13 static void
  14 elapsed(struct timeval *t0, struct timeval *t1)
  15 {
  16     printf("elapsed %zdms\n",
  17             (1000 * (t1->tv_sec - t0->tv_sec)) +
  18             (t1->tv_usec / 1000) - (t0->tv_usec / 1000));
  19 }
  20
  21 int
  22 main(int argc, char **argv)
  23 {
  24     int i;
  25     job j;
  26     struct timeval t0, t1, t2, t3, t4;
  27
  28     progname = argv[0];
  29
  30     job_init();
  31     TUBE_ASSIGN(default_tube, make_tube("default"));
  32
  33     printf("inserting 2M ");
  34     fflush(stdout);
  35     gettimeofday(&t0, NULL);
  36     for (i = 0; i < 2000000; i++) {
  37         j = make_job(1, 0, 1, 0, default_tube);
  38     }
  39     gettimeofday(&t1, NULL);
  40     elapsed(&t0, &t1);
  41
  42     printf("removing 200K ");
  43     fflush(stdout);
  44     for (i = 0; i < 200000; i++) {
  45         j = job_find(i);
  46         if (j) job_free(j);
  47     }
  48     gettimeofday(&t2, NULL);
  49     elapsed(&t1, &t2);
  50
  51     printf("inserting 2M ");
  52     fflush(stdout);
  53     for (i = 0; i < 2000000; i++) {
  54         j = make_job(1, 0, 1, 0, default_tube);
  55     }
  56     gettimeofday(&t3, NULL);
  57     elapsed(&t2, &t3);
  58
  59     printf("removing 200K ");
  60     fflush(stdout);
  61     for (i = 0; i < 200000; i++) {
  62         j = job_find(i + 2000000);
  63         if (j) job_free(j);
  64     }
  65     gettimeofday(&t4, NULL);
  66     elapsed(&t3, &t4);
  67
  68     printf("total ");
  69     elapsed(&t0, &t4);
  70     return 0;
  71 }