/* sacss.c: SAC MANUAL ALLOC STRESS TEST
*
* $Id: //info.ravenbrook.com/project/mps/version/1.110/code/sacss.c#1 $
* Copyright (c) 2001 Ravenbrook Limited. See end of file for license.
* Portions copyright (C) 2002 Global Graphics Software.
*/
#include "mpscmv.h"
#include "mpscmvff.h"
#include "mpslib.h"
#include "mpsavm.h"
#include "mps.h"
#include "testlib.h"
#include <stdio.h>
#include "mpstd.h"
#include <stdlib.h>
#include <stdarg.h>
#include <time.h>
#define TRUE 1
#define FALSE 0
#define testArenaSIZE ((((size_t)64)<<20) - 4)
#define testSetSIZE 200
#define testLOOPS 10
#define topClassSIZE 0xA00
#define classCOUNT 4
/* make -- allocate an object */
static mps_res_t make(mps_addr_t *p, mps_sac_t sac, size_t size)
{
mps_res_t res;
MPS_SAC_ALLOC(res, *p, sac, size, FALSE);
return res;
}
/* stress -- create a pool of the requested type and allocate in it */
static mps_res_t stress(mps_class_t class,
size_t classes_count, mps_sac_classes_s *classes,
size_t (*size)(int i), mps_arena_t arena, ...)
{
mps_res_t res;
mps_pool_t pool;
mps_sac_t sac;
va_list arg;
int i, k;
int *ps[testSetSIZE];
size_t ss[testSetSIZE];
va_start(arg, arena);
res = mps_pool_create_v(&pool, arena, class, arg);
va_end(arg);
if (res != MPS_RES_OK)
return res;
die(mps_sac_create(&sac, pool, classes_count, classes), "SACCreate");
/* allocate a load of objects */
for (i = 0; i < testSetSIZE; ++i) {
ss[i] = (*size)(i);
res = make((mps_addr_t *)&ps[i], sac, ss[i]);
if (res != MPS_RES_OK)
return res;
if (ss[i] >= sizeof(ps[i]))
*ps[i] = 1; /* Write something, so it gets swap. */
}
mps_pool_check_fenceposts(pool);
for (k = 0; k < testLOOPS; ++k) {
/* shuffle all the objects */
for (i=0; i<testSetSIZE; ++i) {
int j = rnd()%(testSetSIZE-i);
void *tp;
size_t ts;
tp = ps[j]; ts = ss[j];
ps[j] = ps[i]; ss[j] = ss[i];
ps[i] = tp; ss[i] = ts;
}
if (k == (testLOOPS / 2)) mps_sac_flush(sac);
/* free half of the objects */
/* upper half, as when allocating them again we want smaller objects */
/* see randomSize() */
switch (k % 2) {
case 0: {
for (i=testSetSIZE/2; i<testSetSIZE; ++i)
MPS_SAC_FREE(sac, (mps_addr_t)ps[i], ss[i]);
} break;
case 1: {
for (i=testSetSIZE/2; i<testSetSIZE; ++i)
mps_sac_free(sac, (mps_addr_t)ps[i], ss[i]);
} break;
}
/* allocate some new objects */
for (i=testSetSIZE/2; i<testSetSIZE; ++i) {
ss[i] = (*size)(i);
switch (k % 2) {
case 0: {
res = make((mps_addr_t *)&ps[i], sac, ss[i]);
} break;
case 1: {
res = mps_sac_alloc((mps_addr_t *)&ps[i], sac, ss[i], FALSE);
} break;
}
if (res != MPS_RES_OK) return res;
}
}
mps_sac_destroy(sac);
mps_pool_destroy(pool);
return MPS_RES_OK;
}
#define max(a, b) (((a) > (b)) ? (a) : (b))
/* randomSize8 -- produce sizes both latge and small */
static size_t randomSize8(int i)
{
size_t maxSize = 2 * 160 * 0x2000;
size_t size;
/* Reduce by a factor of 2 every 10 cycles. Total allocation about 40 MB. */
size = rnd() % max((maxSize >> (i / 10)), 2) + 1;
return size;
}
/* testInArena -- test all the pool classes in the given arena */
static mps_pool_debug_option_s debugOptions8 = {
/* .fence_template = */ (void *)"postpost",
/* .fence_size = */ 8,
/* .free_template = */ (void *)"DEAD",
/* .free_size = */ 4
};
static mps_pool_debug_option_s debugOptions16 = {
/* .fence_template = */ (void *)"postpostpostpost",
/* .fence_size = */ 16,
/* .free_template = */ (void *)"DEAD",
/* .free_size = */ 4
};
static mps_sac_classes_s classes8[4] = { {8, 1, 1}, {16, 1, 2}, {136, 9, 5},
{topClassSIZE, 9, 4} };
static mps_sac_classes_s classes16[4] = { {16, 1, 1}, {32, 1, 2}, {144, 9, 5},
{topClassSIZE, 9, 4} };
static int testInArena(mps_arena_t arena)
{
mps_pool_debug_option_s *debugOptions;
mps_sac_classes_s *classes;
debugOptions = MPS_PF_ALIGN == 8 ? &debugOptions8 : &debugOptions16;
classes = MPS_PF_ALIGN == 8 ? classes8 : classes16;
printf("MVFF\n\n");
die(stress(mps_class_mvff(), classCOUNT, classes, randomSize8, arena,
(size_t)65536, (size_t)32, sizeof(void *), TRUE, TRUE, TRUE),
"stress MVFF");
printf("MV debug\n\n");
die(stress(mps_class_mv_debug(), classCOUNT, classes, randomSize8, arena,
debugOptions, (size_t)65536, (size_t)32, (size_t)65536),
"stress MV debug");
printf("MV\n\n");
die(stress(mps_class_mv(), classCOUNT, classes, randomSize8, arena,
(size_t)65536, (size_t)32, (size_t)65536),
"stress MV");
return 0;
}
int main(int argc, char **argv)
{
mps_arena_t arena;
randomize(argc, argv);
die(mps_arena_create(&arena, mps_arena_class_vmnz(), testArenaSIZE),
"mps_arena_create");
testInArena(arena);
mps_arena_destroy(arena);
fflush(stdout); /* synchronize */
fprintf(stderr, "\nConclusion: Failed to find any defects.\n");
return 0;
}
/* C. COPYRIGHT AND LICENSE
*
* Copyright (C) 2001-2002 Ravenbrook Limited <http://www.ravenbrook.com/>.
* All rights reserved. This is an open source license. Contact
* Ravenbrook for commercial licensing options.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Redistributions in any form must be accompanied by information on how
* to obtain complete source code for this software and any accompanying
* software that uses this software. The source code must either be
* included in the distribution or be available for no more than the cost
* of distribution plus a nominal fee, and must be freely redistributable
* under reasonable conditions. For an executable file, complete source
* code means the source code for all modules it contains. It does not
* include source code for modules or files that typically accompany the
* major components of the operating system on which the executable file
* runs.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, OR NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/