source: trunk/src/win32k/misc/heaptest.c@ 2505

Last change on this file since 2505 was 2503, checked in by bird, 26 years ago

Initial resident heap coding completed.
The AVL heap is seems to be much faster; it uses 40% of the time that the
traditional linked-list based heap is using when executing the heaptest.
File size: 6.9 KB
Line 
1/* $Id: heaptest.c,v 1.2 2000-01-23 03:20:52 bird Exp $
2 *
3 * Test of resident and swappable heaps.
4 *
5 *
6 * Copyright (c) 2000 knut st. osmundsen
7 *
8 * Project Odin Software License can be found in LICENSE.TXT
9 *
10 */
11
12/******************************************************************************
13* Defined Constants
14*******************************************************************************/
15#define NUMBER_OF_POINTERS 16384
16#define RANDOMTEST_ITERATIONS 65536*2
17#define Int3() __interrupt(3)
18
19
20/*******************************************************************************
21* Internal Functions
22*******************************************************************************/
23#include "malloc.h"
24#include "rmalloc.h"
25#include "macros.h"
26#include <stdio.h>
27#include <stdlib.h>
28#include <memory.h>
29#include <builtin.h>
30
31
32
33
34int main(int argc, char *argv)
35{
36 static void * apv[NUMBER_OF_POINTERS];
37 static int acb[NUMBER_OF_POINTERS];
38 unsigned cAllocations;
39 unsigned cb = 0;
40 unsigned crmalloc;
41 unsigned crfree;
42 unsigned crealloc;
43 int i;
44
45 /*
46 * Initiate the heap.
47 */
48 if (ResHeapInit(128*1024, 1024*1024*64) != 0)
49 {
50 printf("Failed to initiate the resident heap.\n");
51 return 1;
52 }
53
54/*
55 *
56 * resident heap tests
57 * resident heap tests
58 *
59 */
60#if 1
61 /*
62 * Simple allocation test.
63 */
64 for (i = 0; i < NUMBER_OF_POINTERS; i++)
65 {
66 do
67 {
68 acb[i] = rand();
69 } while(acb[i] == 0 || acb[i] > 127);
70
71 if ((i % (NUMBER_OF_POINTERS/3)) == 1)
72 acb[i] += 1024*260;
73 apv[i] = rmalloc(acb[i]);
74 if (apv[i] == NULL)
75 {
76 printf("rmalloc failed: acb[%d]=%d\n", i, acb[i]);
77 if (acb[i] > 1000)
78 break;
79 }
80 memset(apv[i], 0xA, MIN(acb[i],16));
81 cb += acb[i];
82 }
83
84 printf("Finished allocating memory: %d allocations %d bytes\n", i, cb);
85
86
87 printf("_res_dump_subheaps:\n");
88 _res_dump_subheaps();
89
90 for (i = 0; i < NUMBER_OF_POINTERS; i++)
91 {
92 int cb = _res_msize(apv[i]);
93 if (cb != ((acb[i] + 3) & ~3) && (cb < ((acb[i] + 3) & ~3) || cb > 52 + ((acb[i] + 3) & ~3)) )
94 printf("size of avp[%d] (%d) != acb[%] (%d)\n", i, cb, i, acb[i]);
95 rfree(apv[i]);
96 }
97
98
99 /*
100 * test _res_heapmin
101 */
102 printf("_res_memfree - before heapmin: %d\n", _res_memfree());
103 _res_heapmin();
104 printf("_res_memfree - after heapmin : %d\n", _res_memfree());
105
106 /*
107 * Test _res_dump_subheaps
108 */
109 printf("\n_res_dump_subheaps:\n");
110 _res_dump_subheaps();
111#endif
112
113
114 /*
115 * Test 2 - random allocation and freeing of memory.
116 */
117 printf("\n"
118 "Random allocation and freeing test:\n");
119 for (i = 0; i < NUMBER_OF_POINTERS; i++)
120 apv[i] = NULL, acb[i] = 0;
121 cAllocations = 0;
122 i = 0;
123 cb = 0;
124 crfree = 0;
125 crmalloc = 0;
126 crealloc = 0;
127 while (i++ < RANDOMTEST_ITERATIONS || cAllocations > 0)
128 {
129 int j;
130 j = rand();
131 if (cAllocations + (NUMBER_OF_POINTERS/20) < NUMBER_OF_POINTERS &&
132 (i < RANDOMTEST_ITERATIONS*1/4 ? (j % 8) > 2 :
133 i < RANDOMTEST_ITERATIONS*2/4 ? (j % 8) > 3 :
134 i < RANDOMTEST_ITERATIONS*3/4 ? (j % 8) > 4 :
135 i < RANDOMTEST_ITERATIONS ? (j % 8) > 5 : 0
136 )
137 )
138 { /* malloc */
139 for (j = 0; j < NUMBER_OF_POINTERS && apv[j] != NULL; j++)
140 (void)0;
141 if (j < NUMBER_OF_POINTERS)
142 {
143 do
144 {
145 acb[j] = rand();
146 } while (acb[j] == 0 || (acb[j] > 2048 && (i % 11) != 10));
147 if ((i % (RANDOMTEST_ITERATIONS/20)) == 1)
148 acb[j] += 1024*256;
149 apv[j] = rmalloc(acb[j]);
150 if (apv[j] == NULL)
151 {
152 printf("rmalloc failed, acb[%d] = %d\n", j, acb[j]);
153 if (acb[j] > 10000)
154 continue;
155 break;
156 }
157 memset(apv[j], 0xA, MIN(acb[j],16));
158 cAllocations++;
159 cb += acb[j];
160 crmalloc++;
161 }
162 }
163 else
164 { /* free or realloc */
165 if (cAllocations == 0)
166 continue;
167
168 if (cAllocations < NUMBER_OF_POINTERS/10)
169 {
170 for (j = 0; j < NUMBER_OF_POINTERS && apv[j] == NULL; j++)
171 (void)0;
172 }
173 else
174 {
175 int k = 0;
176 do
177 {
178 j = rand();
179 } while (k++ < NUMBER_OF_POINTERS/2 && (j >= NUMBER_OF_POINTERS || apv[j] == NULL));
180 if (k >= NUMBER_OF_POINTERS/2)
181 {
182 for (j = 0; j < NUMBER_OF_POINTERS && apv[j] == NULL; j++)
183 (void)0;
184 }
185 }
186
187 if (j < NUMBER_OF_POINTERS && apv[j] != NULL)
188 {
189 int cb = _res_msize(apv[j]);
190 if (cb != ((acb[j] + 3) & ~3) && (cb < ((acb[j] + 3) & ~3) || cb > 52 + ((acb[j] + 3) & ~3)) )
191 printf("size of avp[%d] (%d) != acb[%d] (%d)\n", j, cb, j, acb[j]);
192 if (i < RANDOMTEST_ITERATIONS*3/4 && j % 3 == 0)
193 { /* realloc */
194 int cb;
195 void *pv;
196 crealloc++;
197 do
198 {
199 cb = rand();
200 } while (cb == 0 || cb > 3072);
201 /*
202 if (i >= 0x1c14)
203 Int3();
204 */
205 pv = rrealloc(apv[j], cb);
206 if (pv == NULL)
207 {
208 printf("realloc(apv[%d](0x%08), %d) failed\n", j, apv[j], cb);
209 continue;
210 }
211 apv[j] = pv;
212 acb[j] = cb;
213 }
214 else
215 { /* free */
216 rfree(apv[j]);
217 apv[j] = NULL;
218 cAllocations--;
219 crfree++;
220 }
221 }
222 }
223 /*_res_heap_check();*/
224 if (RANDOMTEST_ITERATIONS/2 == i)
225 _res_dump_subheaps();
226 if ((i % 2048) == 0)
227 printf("i=%d cAllocations=%d\n", i, cAllocations);
228 }
229
230 printf("cb=%d crfree=%d crmalloc=%d crealloc=%d\n", cb, crfree, crmalloc, crealloc);
231
232 printf("_res_dump_subheaps:\n");
233 _res_dump_subheaps();
234
235 printf("_res_memfree - before heapmin: %d\n", _res_memfree());
236 _res_heapmin();
237 printf("_res_memfree - after heapmin : %d\n", _res_memfree());
238
239 printf("_res_dump_subheaps:\n");
240 _res_dump_subheaps();
241
242
243
244/*
245 *
246 * swappable heap tests
247 * swappable heap tests
248 *
249 */
250
251
252
253
254 /* unreferenced parameters */
255 argc = argc;
256 argv = argv;
257
258 return 0;
259}
260
261
262
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