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/*
TEST_HEADER
id = $Id$
summary = MVT greed test
language = c
link = testlib.o
parameters = OBJECTS=1000 OBJSIZE=8192 DEPTH=2 FRAGLIMIT=50
END_HEADER
*/
#include "testlib.h"
#include "mpscmvt.h"
#include "mpsavm.h"
mps_arena_t arena;
static mps_addr_t objs[OBJECTS];
static mps_res_t mvt_alloc(mps_addr_t *ref, mps_ap_t ap, size_t size) {
mps_res_t res;
size = ((size+7)/8)*8;
do {
MPS_RESERVE_BLOCK(res, *ref, ap, size);
if (res != MPS_RES_OK) return res;
} while (!mps_commit(ap, *ref, size));
return MPS_RES_OK;
}
static void test(void *stack_pointer)
{
mps_thr_t thread;
mps_pool_t pool;
mps_ap_t ap;
int i;
cdie(mps_arena_create(&arena, mps_arena_class_vm(), (size_t) (1024*1024*100)), "create arena");
cdie(mps_thread_reg(&thread, arena), "register thread");
die(
mps_pool_create(&pool, arena, mps_class_mvt(),
(size_t)OBJSIZE, (size_t)OBJSIZE, (size_t)OBJSIZE,
(mps_word_t)DEPTH, (mps_word_t)FRAGLIMIT),
"create MVT pool");
die(mps_ap_create(&ap, pool, mps_rank_ambig()), "create ap");
for (i = 0; i < OBJECTS; i++) {
die(mvt_alloc(&objs[i], ap, OBJSIZE), "alloc");
}
report("size1", "%ld", mps_arena_committed(arena));
for (i = 0; i < OBJECTS; i+=2) {
mps_free(pool, objs[i], OBJSIZE);
die(mvt_alloc(&objs[i], ap, OBJSIZE), "alloc");
}
report("size2", "%ld", mps_arena_committed(arena));
mps_ap_destroy(ap);
mps_pool_destroy(pool);
mps_thread_dereg(thread);
mps_arena_destroy(arena);
}
int main(void)
{
run_test(test);
pass();
return 0;
}
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