+/* A few tests for the xbt_heap module */
+
+/* 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 <sys/time.h>
-#include "xbt_heap.h"
+#include <xbt/xbt_os_time.h>
+
+#include "xbt/heap.h"
+#include "xbt/sysdep.h" /* calloc, printf */
#define MAX_TEST 1000000
-/* 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);
-}
+#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;
- if(pa==pb) return 0;
+ if (pa > pb)
+ return 1;
+ if (pa == pb)
+ return 0;
return -1;
}
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));
+ xbt_heap_t heap = xbt_heap_new(size, NULL);
+ 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]);
+ for (i = 0; i < size; 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)); */
- if(xbt_heap_maxkey(heap)!= tab[i]) {
- fprintf(stderr,"Problem !\n");
+ for (i = 0; i < size; i++) {
+ /* printf("%lg" " ", xbt_heap_maxkey(heap)); */
+ if (xbt_heap_maxkey(heap) != tab[i]) {
+ fprintf(stderr, "Problem !\n");
exit(1);
}
xbt_heap_pop(heap);
void test_heap_mean_operation(int size)
{
- xbt_heap_t heap = xbt_heap_new(size,NULL);
- xbt_heap_float_t val;
- long date = 0;
+ xbt_heap_t heap = xbt_heap_new(size, NULL);
+ double val;
+ double date = 0;
int i, j;
- date = us_time();
- 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 = xbt_os_time() * 1000000;
+ for (i = 0; i < size; i++)
+ xbt_heap_push(heap, NULL, (10.0 * rand() / (RAND_MAX + 1.0)));
+
+ date = xbt_os_time() * 1000000 - date;
+ printf("Creation time %d size heap : %g\n", size, date);
+
+ date = xbt_os_time() * 1000000;
+ for (j = 0; j < MAX_TEST; j++) {
- date = us_time();
- for(j=0; j<MAX_TEST; j++) {
- val=xbt_heap_maxkey(heap);
+ 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);
+ xbt_heap_push(heap, NULL, 3.0 * val);
+ }
+ date = xbt_os_time() * 1000000 - date;
+ printf("Mean access time for a %d size heap : %g\n", size,
+ 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)));
}
- date = us_time()-date;
- printf("Mean access time for a %d size heap : %g\n", size, date*1.0/(MAX_TEST+0.0));
- xbt_heap_free(heap);
}
+#ifdef __BORLANDC__
+#pragma argsused
+#endif
+
int main(int argc, char **argv)
{
int size;
- for(size = 100; size < 10000; size*=10) {
+ for (size = 100; size < 10000; size *= 10) {
test_heap_validity(size);
test_heap_mean_operation(size);
}