Change interface for elements_father, and avoid to allocate a dynar.

[simgrid.git] / testsuite / xbt / heap_bench.c

diff --git a/testsuite/xbt/heap_bench.c b/testsuite/xbt/heap_bench.c
index fe6866e..417f987 100644 (file)
--- a/testsuite/xbt/heap_bench.c
+++ b/testsuite/xbt/heap_bench.c
@@ -1,37 +1,43 @@
 /* A few tests for the xbt_heap module                                      */
 
-/* Authors: Arnaud Legrand                                                  */
+/* 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. */
+ * 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 <sys/time.h>
+#include <time.h>
+
 #include "xbt/heap.h"
+#include "gras/virtu.h"         /* time manipulation in bench */
 
-#define MAX_TEST 1000000
+#include "xbt/sysdep.h"         /* calloc, printf */
 
-/* Pour le bench */
-long us_time(void);
-long us_time(void)
-{
-  struct timeval start;
-  gettimeofday(&start, NULL);
+#define MAX_TEST 1000000
 
-  return (start.tv_sec * 1000000 + start.tv_usec);
-}
+#ifdef __BORLANDC__
+int _XBT_CALL compare_double(const void *a, const void *b);
+#else
+int compare_double(const void *a, const void *b);
+#endif
 
-int compare_xbt_heap_float_t(const void *a, const void *b);
 void test_heap_validity(int size);
 void test_heap_mean_operation(int size);
+void test_reset_heap(xbt_heap_t * heap, int size);
+
 
-int compare_xbt_heap_float_t(const void *a, const void *b)
+int compare_double(const void *a, const void *b)
 {
-  xbt_heap_float_t pa, pb;
+  double pa, pb;
 
-  pa = *((xbt_heap_float_t *) a);
-  pb = *((xbt_heap_float_t *) b);
+  pa = *((double *) a);
+  pb = *((double *) b);
 
   if (pa > pb)
     return 1;
@@ -43,18 +49,19 @@ int compare_xbt_heap_float_t(const void *a, const void *b)
 void test_heap_validity(int size)
 {
   xbt_heap_t heap = xbt_heap_new(size, NULL);
-  xbt_heap_float_t *tab = calloc(size, sizeof(xbt_heap_float_t));
+  double *tab = xbt_new0(double, size);
+
   int i;
 
   for (i = 0; i < size; i++) {
-    tab[i] = (10.0 * rand() / (RAND_MAX + 1.0));
-    xbt_heap_push(heap, NULL, tab[i]);
+    tab[i] = (double) (10.0 * rand() / (RAND_MAX + 1.0));
+    xbt_heap_push(heap, NULL, (double) tab[i]);
   }
 
-  qsort(tab, size, sizeof(xbt_heap_float_t), compare_xbt_heap_float_t);
+  qsort(tab, size, sizeof(double), compare_double);
 
   for (i = 0; i < size; i++) {
-    /*     printf(XBT_HEAP_FLOAT_T " ", xbt_heap_maxkey(heap)); */
+    /*     printf("%lg" " ", xbt_heap_maxkey(heap)); */
     if (xbt_heap_maxkey(heap) != tab[i]) {
       fprintf(stderr, "Problem !\n");
       exit(1);
@@ -69,29 +76,50 @@ void test_heap_validity(int size)
 void test_heap_mean_operation(int size)
 {
   xbt_heap_t heap = xbt_heap_new(size, NULL);
-  xbt_heap_float_t val;
-  long date = 0;
+  double val;
+  double date = 0;
   int i, j;
 
-  date = us_time();
+  date = gras_os_time() * 1000000;
   for (i = 0; i < size; i++)
     xbt_heap_push(heap, NULL, (10.0 * rand() / (RAND_MAX + 1.0)));
-  date = us_time() - date;
-  printf("Creation time  %d size heap : %g\n", size, 0.0 + date);
 
-  date = us_time();
+  date = gras_os_time() * 1000000 - date;
+  printf("Creation time  %d size heap : %g\n", size, date);
+
+  date = gras_os_time() * 1000000;
   for (j = 0; j < MAX_TEST; j++) {
+
+    if (!(j % size) && j)
+      test_reset_heap(&heap, size);
+
     val = xbt_heap_maxkey(heap);
     xbt_heap_pop(heap);
     xbt_heap_push(heap, NULL, 3.0 * val);
   }
-  date = us_time() - date;
+  date = gras_os_time() * 1000000 - date;
   printf("Mean access time for a %d size heap : %g\n", size,
-        date * 1.0 / (MAX_TEST + 0.0));
+         date * 1.0 / (MAX_TEST + 0.0));
 
   xbt_heap_free(heap);
 }
 
+void test_reset_heap(xbt_heap_t * heap, int size)
+{
+  int i;
+  xbt_heap_free(*heap);
+  *heap = xbt_heap_new(size, NULL);
+
+  for (i = 0; i < size; i++) {
+    xbt_heap_push(*heap, NULL, (10.0 * rand() / (RAND_MAX + 1.0)));
+  }
+
+}
+
+#ifdef __BORLANDC__
+#pragma argsused
+#endif
+
 int main(int argc, char **argv)
 {
   int size;