-/* $Id$ */
-
/* A crash few tests for the maxmin library */
-/* Copyright (c) 2004 Arnaud Legrand. All rights reserved. */
+/* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
+ * All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
+#ifdef __BORLANDC__
+#pragma hdrstop
+#endif
+
+
#include <stdlib.h>
#include <stdio.h>
#include "surf/maxmin.h"
-#include <sys/time.h>
+#include "xbt/xbt_os_time.h"
+#include "xbt/sysdep.h" /* time manipulation for benchmarking */
-long date;
+double date;
-/* Pour le bench */
-long us_time(void);
-long us_time(void)
-{
- struct timeval start;
- gettimeofday(&start, NULL);
-
- return (start.tv_sec * 1000000 + start.tv_usec);
-}
-
-
-xbt_maxmin_float_t float_random(xbt_maxmin_float_t max);
-xbt_maxmin_float_t float_random(xbt_maxmin_float_t max)
+double float_random(double max);
+double float_random(double max)
{
return ((max * rand()) / (RAND_MAX + 1.0));
}
void test(int nb_cnst, int nb_var, int nb_elem)
{
lmm_system_t Sys = NULL;
- lmm_constraint_t *cnst = calloc(nb_cnst, sizeof(lmm_constraint_t));
- lmm_variable_t *var = calloc(nb_var, sizeof(lmm_variable_t));
- int *used = calloc(nb_cnst, sizeof(int));
+ lmm_constraint_t *cnst = xbt_new0(lmm_constraint_t, nb_cnst);
+ lmm_variable_t *var = xbt_new0(lmm_variable_t, nb_var);
+ int *used = xbt_new0(int, nb_cnst);
int i, j, k;
Sys = lmm_system_new();
for (j = 0; j < nb_elem; j++) {
k = int_random(nb_cnst);
if (used[k]) {
- j--;
- continue;
+ j--;
+ continue;
}
lmm_expand(Sys, cnst[k], var[i], float_random(1.0));
used[k] = 1;
}
}
- date = us_time();
+ printf("Starting to solve\n");
+ date = xbt_os_time() * 1000000;
lmm_solve(Sys);
- date = us_time() - date;
+ date = xbt_os_time() * 1000000 - date;
lmm_system_free(Sys);
free(cnst);
free(used);
}
+#ifdef __BORLANDC__
+#pragma argsused
+#endif
+
int main(int argc, char **argv)
{
int nb_cnst = 2000;
int nb_var = 2000;
- int nb_elem = 20;
- date = us_time();
+ int nb_elem = 80;
+ date = xbt_os_time() * 1000000;
test(nb_cnst, nb_var, nb_elem);
printf("One shot execution time for a total of %d constraints, "
- "%d variables with %d active constraint each : %ld microsecondes \n",
- nb_cnst, nb_var, nb_elem, date);
+ "%d variables with %d active constraint each : %g microsecondes \n",
+ nb_cnst, nb_var, nb_elem, date);
return 0;
}