Esempio n. 1
0
static void test(void)
{
 int i = 0;
 mps_ap_t sap;
 mps_arena_t arena;
 mps_fmt_t format;
 mps_pool_t spool;
 mps_thr_t thread;
 mps_frame_t frame;
 mycell *p;

/* create an arena that can't grow beyond 30 M */

 cdie(mps_arena_create(&arena, mps_arena_class_vm(), (size_t)THIRTY_MEG),
  "create arena");
 cdie(mps_arena_commit_limit_set(arena, (size_t)THIRTY_MEG),
  "commit limit set");

 cdie(mps_thread_reg(&thread, arena), "register thread");

 cdie(
  mps_fmt_create_A(&format, arena, &fmtA),
  "create format");

 cdie(
  mps_pool_create(&spool, arena, mps_class_snc(), format),
  "create SNC pool");

 cdie(
  mps_ap_create(&sap, spool, mps_rank_exact()),
  "create ap");

/* repeatedly push, alloc 1MB object, and pop to first stack frame.
   This shouldn't use much more than 1MB of memory.
*/

 for (i=0; i < ITERATIONS; i++) {
  die(mps_ap_frame_push(&frame, sap), "push");
  p = allocdumb(sap, OBJSIZE, mps_rank_exact());
  die(mps_ap_frame_pop(sap, frame), "pop");
  comment("%i of %i", i, ITERATIONS);
 }

 mps_ap_destroy(sap);
 comment("Destroyed ap.");

 mps_pool_destroy(spool);
 comment("Destroyed pool.");

 mps_fmt_destroy(format);
 comment("Destroyed format.");

 mps_thread_dereg(thread);
 comment("Deregistered thread.");

 mps_arena_destroy(arena);
 comment("Destroyed arena.");

}
Esempio n. 2
0
static void test(void)
{
 int i = 0, f = 0;
 mps_ap_t sap;
 mps_arena_t arena;
 mps_fmt_t format;
 mps_pool_t spool;
 mps_thr_t thread;
 mps_frame_t frames[MAXFRAMES];
 int nobj[MAXFRAMES+1];
 mycell *p;

/* create an arena that can't grow beyond 30 M */

 cdie(mps_arena_create(&arena, mps_arena_class_vm(), (size_t)THIRTY_MEG),
  "create arena");
 cdie(mps_arena_commit_limit_set(arena, (size_t)THIRTY_MEG),
  "commit limit set");

 cdie(mps_thread_reg(&thread, arena), "register thread");

 cdie(
  mps_fmt_create_A(&format, arena, &fmtA),
  "create format");

 cdie(
  mps_pool_create(&spool, arena, mps_class_snc(), format),
  "create SNC pool");

 cdie(
  mps_ap_create(&sap, spool, mps_rank_exact()),
  "create ap");

/* repeatedly push and pop stack frames, and allocate objects in them
   at random. Parameters ensure that max allocation can't get too high.
*/

 for (i=0; i < ITERATIONS; i++) {
  switch (ranint(12)) {
  case 1: case 2: case 3: case 4: case 5:
   if (f < MAXFRAMES) {
    die(mps_ap_frame_push(&frames[f], sap), "push");
    comment("push %i", f);
    f++;
    nobj[f] = 0;
   }
   break;
  case 6: case 7: case 8: case 9: case 10:
   if (nobj[f] < MAXLEVOBJS) {
    p = allocone(sap, 16, mps_rank_exact());
    setref(p, 0, NULL);
    nobj[f]++;
   }
   break;
  case 11:
   if (f>0) {
    f -= 1+ranint(1+ranint(f)); /* new f is in [0, old f) */
    die(mps_ap_frame_pop(sap, frames[f]), "pop");
    comment("pop %i", f);
   }
   break;
  }
 }

 mps_arena_park(arena);
 mps_ap_destroy(sap);
 comment("Destroyed ap.");

 mps_pool_destroy(spool);
 comment("Destroyed pool.");

 mps_fmt_destroy(format);
 comment("Destroyed format.");

 mps_thread_dereg(thread);
 comment("Deregistered thread.");

 mps_arena_destroy(arena);
 comment("Destroyed arena.");

}
Esempio n. 3
0
static void test(void)
{
 int i;
 mps_ap_t ap, sap;
 mps_arena_t arena;
 mps_fmt_t format;
 mps_chain_t chain;
 mps_pool_t pool, spool;
 mps_thr_t thread;
 mps_frame_t frame1;
 mycell *p, *q;
 size_t com, com1, com2;

 formatcomments=1;
 alloccomments=1;
 fixcomments=1;

 /* create an arena (no particular size limit) */

 cdie(mps_arena_create(&arena, mps_arena_class_vm(), (size_t)ARENA_SIZE),
  "create arena");

 cdie(mps_thread_reg(&thread, arena), "register thread");

 /* because we know objects in the stack pool don't move, */
 /* we can do without roots.  Hooray! */

 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(amc)");
 cdie(mps_ap_create(&ap, pool, mps_rank_exact()), "create ap(amc)");

 cdie(mps_pool_create(&spool, arena, mps_class_snc(), format),
      "create SNC pool");
 cdie(mps_ap_create(&sap, spool, mps_rank_exact()), "create ap");

 /* push, alloc, check object is scanned */

 com = arena_committed_and_used(arena);
 report("com", "%ld", com);
 cdie(mps_ap_frame_push(&frame1, sap), "push");
 p = allocone(sap, 2, mps_rank_exact());
 q = allocdumb(ap, BIGSIZE, mps_rank_exact());
 setref(p, 0, q);
 q = allocdumb(ap, SMALLSIZE, mps_rank_exact());
 report("com", "%ld", arena_committed_and_used(arena));
 comment("collect...");
 mps_arena_collect(arena);
 com1 = arena_committed_and_used(arena);
 mps_arena_release(arena);
 report("com", "%ld", com1);
 report("inc1", "%d", (com1-com)/BIGSIZE);

 /* pop, check object isn't scanned */

 cdie(mps_ap_frame_pop(sap, frame1), "pop");
 comment("collect...");
 mps_arena_collect(arena);
 com1 = arena_committed_and_used(arena);
 mps_arena_release(arena);
 report("com", "%ld", com1);
 report("inc2", "%ld", (com1-com)/BIGSIZE);

 /* check initial frame is scanned */

 p = allocone(sap, 2, mps_rank_exact());
 q = allocdumb(ap, BIGSIZE, mps_rank_exact());
 setref(p, 1, q);
 q = allocdumb(ap, SMALLSIZE, mps_rank_exact());
 mps_arena_collect(arena);
 com2 = arena_committed_and_used(arena);
 mps_arena_release(arena);
 report("inc3", "%ld", (com2-com1)/BIGSIZE);

 /* even in ordinary collection */

 for (i=0; i < 500; i++) {
  q = allocdumb(ap, BIGSIZE, mps_rank_exact());
 }
 q = allocdumb(ap, SMALLSIZE, mps_rank_exact());
 mps_arena_collect(arena);
 com2 = arena_committed_and_used(arena);
 mps_arena_release(arena);
 report("inc4", "%ld", (com2-com1)/BIGSIZE);


 mps_ap_destroy(ap);
 mps_ap_destroy(sap);
 mps_pool_destroy(pool);
 mps_pool_destroy(spool);
 mps_chain_destroy(chain);
 mps_fmt_destroy(format);
 mps_thread_dereg(thread);
 mps_arena_destroy(arena);
 comment("Destroyed arena.");
}