teshsuite/simdag/platforms/Evaluate_get_route_time.c

   1 /* Copyright (c) 2008, 2009, 2010. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   4 /* This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the license (GNU LGPL) which comes with this package. */
   6
   7 //for i in $(seq 1 100); do teshsuite/simdag/platforms/evaluate_get_route_time ../examples/platforms/One_cluster.xml 1 2> /tmp/null ; done
   8
   9
  10 #include <stdio.h>
  11 #include <stdlib.h>
  12 #include "simdag/simdag.h"
  13 #include "surf/surf_private.h"
  14 #include <time.h>
  15
  16 #define BILLION  1000000000L;
  17 extern routing_global_t global_routing;
  18
  19 int main(int argc, char **argv)
  20 {
  21         SD_workstation_t w1, w2;
  22         const SD_workstation_t *workstations;
  23         int i, j;
  24         int list_size;
  25         struct timespec start, stop;
  26         double accum;
  27
  28         /* initialisation of SD */
  29         SD_init(&argc, argv);
  30
  31         /* creation of the environment */
  32         SD_create_environment(argv[1]);
  33
  34         workstations = SD_workstation_get_list();
  35         list_size = SD_workstation_get_number();
  36
  37         unsigned int seed;
  38         struct timespec time;
  39         clock_gettime( CLOCK_REALTIME, &time);
  40         seed = time.tv_nsec;
  41
  42         srand(seed);
  43
  44         do{
  45                 i = rand()%list_size;
  46                 j = rand()%list_size;
  47         }while(i==j);
  48
  49         w1 = workstations[i];
  50         w2 = workstations[j];
  51         printf("%d\tand\t%d\t\t",i,j);
  52
  53         if( clock_gettime( CLOCK_REALTIME, &start) == -1 ) {
  54         perror( "clock gettime" );
  55         return EXIT_FAILURE;
  56         }
  57
  58         SD_route_get_list(w1, w2);
  59
  60         if( clock_gettime( CLOCK_REALTIME, &stop) == -1 ) {
  61         perror( "clock gettime" );
  62         return EXIT_FAILURE;
  63         }
  64
  65         accum = ( stop.tv_sec - start.tv_sec )
  66            + (double)( stop.tv_nsec - start.tv_nsec )
  67                  / (double)BILLION;
  68         printf("%lf\n", accum);
  69
  70         SD_exit();
  71
  72         return 0;
  73 }