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 #if _POSIX_TIMERS > 0
  41       clock_gettime(CLOCK_REALTIME, &time);
  42 #else
  43       struct timeval tv;
  44       gettimeofday(&tv, NULL);
  45       time.tv_sec = tv.tv_sec;
  46       time.tv_nsec = tv.tv_usec*1000;
  47 #endif
  48         seed = time.tv_nsec;
  49
  50         srand(seed);
  51
  52         do{
  53                 i = rand()%list_size;
  54                 j = rand()%list_size;
  55         }while(i==j);
  56
  57         w1 = workstations[i];
  58         w2 = workstations[j];
  59         printf("%d\tand\t%d\t\t",i,j);
  60
  61 #if _POSIX_TIMERS > 0
  62         if( clock_gettime( CLOCK_REALTIME, &start) == -1 ) {
  63         perror( "clock gettime" );
  64         return EXIT_FAILURE;
  65         }
  66 #else
  67       gettimeofday(&tv, NULL);
  68       start.tv_sec = tv.tv_sec;
  69       start.tv_nsec = tv.tv_usec*1000;
  70 #endif
  71
  72         SD_route_get_list(w1, w2);
  73
  74 #if _POSIX_TIMERS > 0
  75         if( clock_gettime( CLOCK_REALTIME, &stop) == -1 ) {
  76         perror( "clock gettime" );
  77         return EXIT_FAILURE;
  78         }
  79 #else
  80       gettimeofday(&tv, NULL);
  81       stop.tv_sec = tv.tv_sec;
  82       stop.tv_nsec = tv.tv_usec*1000;
  83 #endif
  84
  85         accum = ( stop.tv_sec - start.tv_sec )
  86            + (double)( stop.tv_nsec - start.tv_nsec )
  87                  / (double)BILLION;
  88         printf("%lf\n", accum);
  89
  90         SD_exit();
  91
  92         return 0;
  93 }