/*
TEST_HEADER
id = $HopeName: MMQA_test_function!52.c(trunk.6) $
summary = provoke mad behaviour by constant allocation
language = c
link = rankfmt.o testlib.o
END_HEADER
*/
/* this is based on MMQA_test_function!4.c, but with no user-input
*/
#include <time.h>
#include "testlib.h"
#include "mpscamc.h"
#include "mpsavm.h"
#include "rankfmt.h"
#define genCOUNT (3)
static mps_gen_param_s testChain[genCOUNT] = {
{ 6000, 0.90 }, { 8000, 0.65 }, { 16000, 0.50 } };
void *stackpointer;
static void test(void)
{
mps_arena_t arena;
mps_pool_t pool;
mps_thr_t thread;
mps_root_t root, root1;
mps_fmt_t format;
mps_chain_t chain;
mps_ap_t ap;
mycell *a[3];
int i,j,k;
clock_t time0, time1;
formatcomments = 1;
cdie(mps_arena_create(&arena, mps_arena_class_vm(), (size_t)1024*1024*30),
"create arena");
cdie(mps_thread_reg(&thread, arena), "register thread");
cdie(mps_root_create_table(&root, arena, MPS_RANK_AMBIG, 0,
(mps_addr_t*)&a[0], 3),
"create table root");
cdie(mps_root_create_table(&root1, arena, MPS_RANK_AMBIG, 0,
(mps_addr_t *)&exfmt_root, 1),
"exfmt root");
cdie(mps_fmt_create_A(&format, arena, &fmtA),
"create format");
cdie(mps_chain_create(&chain, arena, genCOUNT, testChain), "chain_create");
die(mmqa_pool_create_chain(&pool, arena, mps_class_amc(), format, chain),
"create pool");
cdie(mps_ap_create(&ap, pool, MPS_RANK_EXACT),
"create ap");
time0 = clock();
asserts(time0 != -1, "processor time not available");
for (k=0; k<100; k++) {
for (j=0; j<100; j++) {
a[0] = allocone(ap, 50, MPS_RANK_EXACT);
a[1] = a[0];
for (i=1; i<100; i++) {
a[2] = allocone(ap, 50, MPS_RANK_EXACT);
setref(a[1], 0, a[2]);
a[1] = a[2];
}
}
time1 = clock();
comment("%d: %i", k, (int) (100*(time1-time0)/CLOCKS_PER_SEC));
time0 = time1;
}
mps_ap_destroy(ap);
mps_pool_destroy(pool);
mps_chain_destroy(chain);
mps_fmt_destroy(format);
mps_root_destroy(root);
mps_root_destroy(root1);
mps_thread_dereg(thread);
mps_arena_destroy(arena);
comment("Destroyed arena.");
}
int main(void)
{
void *m;
stackpointer=&m; /* hack to get stack pointer */
easy_tramp(test);
pass();
return 0;
}