static void test(void)
{
mps_arena_t arena;
mps_pool_t pool;
mps_thr_t thread;
mps_root_t root;
mps_fmt_t format;
mps_chain_t chain;
mycell *cells;
int h,i,j,k,l;
mycell *pobj;
size_t bytes;
size_t alignment;
mps_addr_t q;
int nextid = 0x1000000;
/* turn on comments about copying and scanning */
formatcomments = BLAH;
fixcomments = BLAH;
cdie(mps_arena_create(&arena, mps_arena_class_vm(), mmqaArenaSIZE),
"create arena");
cdie(mps_thread_reg(&thread, arena), "register thread");
cdie(mps_root_create_reg(&root, arena, MPS_RANK_AMBIG, 0, thread,
mps_stack_scan_ambig, stackpointer, 0),
"create root");
cdie(mps_fmt_create_A(&format, arena, &fmtA), "create format");
cdie(mps_chain_create(&chain, arena, genCOUNT, testChain), "chain_create");
cdie(mmqa_pool_create_chain(&pool, arena, mps_class_amc(), format, chain),
"create pool");
for (i=0; i<NAPS; i++) {
die(mps_ap_create(&ap[i], pool, MPS_RANK_EXACT), "create ap");
ap_state[i] = 0;
}
cells = allocone(ap[0], NCELLS);
/* ap_state can have the following values:
0 before reserve
1 after reverse
2 after init
3 after I=A
0 after commit
*/
for(h=0; h<100; h++) {
comment("%i of 100", h);
for(j=0; j<1000; j++) {
i = ranint(NAPS);
switch (ap_state[i]) {
case 0:
nrefs[i] = NUMREFS;
bytes = offsetof(struct data, ref)+nrefs[i]*sizeof(struct refitem);
alignment = MPS_PF_ALIGN;
bytes = (bytes+alignment-1)&~(alignment-1);
s[i] = bytes;
die(mps_reserve(&q, ap[i], s[i]), "reserve: ");
p[i] = q;
p[i]->data.tag = 0xD033E2A6;
p[i]->data.id = nextid;
ap_state[i] = 1;
commentif(BLAH, "%i: reserve %li at %p", i, nextid, q);
nextid +=1;
break;
case 1:
commentif(BLAH, "%i: init %li", i, p[i]->data.id);
p[i]->data.tag = MCdata;
p[i]->data.numrefs = nrefs[i];
p[i]->data.size = s[i];
ap_state[i] = 2;
for (k=0; k<nrefs[i]; k++) {
if PNULL {
p[i]->data.ref[k].addr = NULL;
p[i]->data.ref[k].id = 0;
} else {
l = ranint(NCELLS);
pobj = getref(cells, l);
p[i]->data.ref[k].addr = pobj;
p[i]->data.ref[k].id = (pobj==NULL ? 0 : pobj->data.id);
}
commentif(BLAH, " ref %i -> %li", k, p[i]->data.ref[k].id);
}
break;
case 2:
commentif(BLAH, "%i: begin commit %li", i, p[i]->data.id);
ap[i]->init = ap[i]->alloc;
ap_state[i] = 3;
break;
case 3:
commentif(BLAH, "%i: end commit %li", i, p[i]->data.id);
q = p[i];
if (ap[i]->limit != 0 || mps_ap_trip(ap[i], p[i], s[i])) {
l = ranint(NCELLS);
setref(cells, l, q);
commentif(BLAH, "%i -> %i", i, l);
}
ap_state[i] = 0;
break;
}
}
checkfrom(cells);
}
static void test(mps_arena_t arena)
{
mps_fmt_t format;
mps_chain_t chain;
mps_root_t exactRoot, ambigRoot;
unsigned long objs; size_t i;
mps_word_t collections, rampSwitch;
mps_alloc_pattern_t ramp = mps_alloc_pattern_ramp();
int ramping;
mps_ap_t busy_ap;
mps_addr_t busy_init;
mps_pool_t pool;
die(dylan_fmt(&format, arena), "fmt_create");
die(mps_chain_create(&chain, arena, genCOUNT, testChain), "chain_create");
die(mps_pool_create(&pool, arena, mps_class_amc(), format, chain),
"pool_create(amc)");
die(mps_ap_create(&ap, pool, mps_rank_exact()), "BufferCreate");
die(mps_ap_create(&busy_ap, pool, mps_rank_exact()), "BufferCreate 2");
for(i = 0; i < exactRootsCOUNT; ++i)
exactRoots[i] = objNULL;
for(i = 0; i < ambigRootsCOUNT; ++i)
ambigRoots[i] = rnd_addr();
die(mps_root_create_table_masked(&exactRoot, arena,
mps_rank_exact(), (mps_rm_t)0,
&exactRoots[0], exactRootsCOUNT,
(mps_word_t)1),
"root_create_table(exact)");
die(mps_root_create_table(&ambigRoot, arena,
mps_rank_ambig(), (mps_rm_t)0,
&ambigRoots[0], ambigRootsCOUNT),
"root_create_table(ambig)");
/* create an ap, and leave it busy */
die(mps_reserve(&busy_init, busy_ap, 64), "mps_reserve busy");
collections = 0;
rampSwitch = rampSIZE;
die(mps_ap_alloc_pattern_begin(ap, ramp), "pattern begin (ap)");
die(mps_ap_alloc_pattern_begin(busy_ap, ramp), "pattern begin (busy_ap)");
ramping = 1;
objs = 0;
while (collections < collectionsCOUNT) {
mps_word_t c;
size_t r;
c = mps_collections(arena);
if (collections != c) {
collections = c;
report(arena);
printf("%lu objects (mps_collections says: %lu)\n", objs, c);
/* test mps_arena_has_addr */
{
size_t hitRatio;
unsigned hitsWanted = 4; /* aim for 4 hits (on average) */
/* [Note: The for-loop condition used to be "i < 4 * hitRatio",
* with "4" an unexplained naked constant. I have now labelled
* it "hitsWanted", as I think that is the intent. RHSK]
*/
/* how many random addrs must we try, to hit the arena once? */
hitRatio = (0xfffffffful / mps_arena_committed(arena));
for (i = 0; i < hitsWanted * hitRatio ; i++) {
/* An exact root maybe in the arena, so add a random 32-bit
* offset to it. We may get no hits if it is objNULL.
*/
mps_addr_t p = (char *)exactRoots[rnd() % exactRootsCOUNT]
+ rnd()-0x80000000ul;
if (mps_arena_has_addr(arena, p)) {
printf("%p is in the arena\n", p);
}
}
}
for (i = 0; i < exactRootsCOUNT; ++i)
cdie(exactRoots[i] == objNULL
|| (dylan_check(exactRoots[i])
&& mps_arena_has_addr(arena, exactRoots[i])),
"all roots check");
cdie(!mps_arena_has_addr(arena, NULL),
"NULL in arena");
if (collections == collectionsCOUNT / 2) {
unsigned long object_count = 0;
mps_arena_park(arena);
mps_arena_formatted_objects_walk(arena, test_stepper, &object_count, 0);
mps_arena_release(arena);
printf("stepped on %lu objects.\n", object_count);
}
if (collections == rampSwitch) {
int begin_ramp = !ramping
|| /* Every other time, switch back immediately. */ (collections & 1);
rampSwitch += rampSIZE;
if (ramping) {
die(mps_ap_alloc_pattern_end(ap, ramp), "pattern end (ap)");
die(mps_ap_alloc_pattern_end(busy_ap, ramp), "pattern end (busy_ap)");
ramping = 0;
/* kill half of the roots */
for(i = 0; i < exactRootsCOUNT; i += 2) {
if (exactRoots[i] != objNULL) {
cdie(dylan_check(exactRoots[i]), "ramp kill check");
exactRoots[i] = objNULL;
}
}
}
if (begin_ramp) {
die(mps_ap_alloc_pattern_begin(ap, ramp),
"pattern rebegin (ap)");
die(mps_ap_alloc_pattern_begin(busy_ap, ramp),
"pattern rebegin (busy_ap)");
ramping = 1;
}
}
}
r = (size_t)rnd();
if (r & 1) {
i = (r >> 1) % exactRootsCOUNT;
if (exactRoots[i] != objNULL)
cdie(dylan_check(exactRoots[i]), "dying root check");
exactRoots[i] = make();
if (exactRoots[(exactRootsCOUNT-1) - i] != objNULL)
dylan_write(exactRoots[(exactRootsCOUNT-1) - i],
exactRoots, exactRootsCOUNT);
} else {
static void test(void)
{
mps_arena_t arena;
mps_pool_t pool;
mps_thr_t thread;
mps_root_t root;
mps_chain_t chain;
mps_fmt_t format;
mps_ap_t ap;
mps_addr_t p;
mps_addr_t q;
cdie(mps_arena_create(&arena, mps_arena_class_vm(), mmqaArenaSIZE), "create arena");
cdie(mps_thread_reg(&thread, arena), "register thread");
cdie(
mps_root_create_reg(&root, arena, mps_rank_ambig(), 0, thread,
mps_stack_scan_ambig, stackpointer, 0),
"create root");
cdie(
mps_fmt_create_A(&format, arena, &fmtA),
"create format");
cdie(mps_chain_create(&chain, arena, genCOUNT, testChain), "chain_create");
cdie(
mps_pool_create(&pool, arena, mps_class_amc(), format, chain),
"create pool");
cdie(
mps_ap_create(&ap, pool, mps_rank_exact()),
"create ap");
do
{
cdie(mps_reserve(&p, ap, 0x100), "Reserve: ");
q = (mps_addr_t) ((char *)p + 0x10);
}
while (!mps_commit(ap, q, 0x100));
comment("Committed.");
mps_ap_destroy(ap);
comment("Destroyed ap.");
mps_pool_destroy(pool);
comment("Destroyed pool.");
mps_fmt_destroy(format);
comment("Destroyed format.");
mps_chain_destroy(chain);
comment("Destroyed chain.");
mps_root_destroy(root);
comment("Destroyed root.");
mps_thread_dereg(thread);
comment("Deregistered thread.");
mps_arena_destroy(arena);
comment("Destroyed arena.");
}
static void test(void)
{
mps_arena_t arena;
mps_pool_t pool;
mps_thr_t thread;
mps_root_t root;
mps_fmt_t format;
mps_chain_t chain;
mycell *cells;
int h,i,j,k,l;
mycell *pobj;
mycell *ambig[NAPS];
size_t size0, size1;
long mdiff = 0;
size_t bytes;
size_t alignment;
mps_addr_t q;
int nextid = 0x1000000;
/* turn on comments about copying and scanning */
formatcomments = VERBOSE;
fixcomments = VERBOSE;
cdie(mps_arena_create(&arena, mps_arena_class_vm(), mmqaArenaSIZE),
"create arena");
die(mps_thread_reg(&thread, arena), "register thread");
die(mps_root_create_reg(&root, arena, mps_rank_ambig(), 0, thread,
mps_stack_scan_ambig, stackpointer, 0),
"create root");
die(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");
for (i = 0; i < NAPS; i++) {
die(mps_ap_create(&ap[i], pool, mps_rank_exact()), "create ap");
ap_state[i] = 0;
}
cells = allocone(ap[0], NCELLS);
/* ap_state can have the following values:
0 before reserve
1 after reverse
2 after init
3 after I=A
0 after commit
*/
for(h=0; h<ITERATIONS; h++) {
comment("%i of %i", h, ITERATIONS);
for(j=0; j<1000; j++) {
if (j == 500) {
size0 = mps_arena_committed(arena) - mps_arena_spare_committed(arena);
mps_arena_collect(arena);
size1 = mps_arena_committed(arena) - mps_arena_spare_committed(arena);
asserts(((long) size1)-((long) size0) < 1024*1024,
"Collection made arena bigger: %lu -> %lu",
(unsigned long) size0, (unsigned long) size1);
if (((long) size1)-((long) size0) > mdiff) {
mdiff = ((long) size1) - ((long) size0);
}
}
i = ranint(NAPS);
switch (ap_state[i]) {
case 0:
nrefs[i] = NUMREFS;
bytes = offsetof(struct data, ref)+nrefs[i]*sizeof(struct refitem);
alignment = MPS_PF_ALIGN;
bytes = (bytes+alignment-1)&~(alignment-1);
s[i] = bytes;
die(mps_reserve(&q, ap[i], s[i]), "reserve: ");
p[i] = q;
p[i]->data.tag = 0xD033E2A6;
p[i]->data.id = nextid;
ap_state[i] = 1;
commentif(VERBOSE, "%i: reserve %li at %p", i, nextid, q);
nextid +=1;
break;
case 1:
commentif(VERBOSE, "%i: init %li", i, p[i]->data.id);
p[i]->data.tag = MCdata;
p[i]->data.numrefs = nrefs[i];
p[i]->data.size = s[i];
ap_state[i] = 2;
for (k=0; k<nrefs[i]; k++) {
if PNULL {
p[i]->data.ref[k].addr = NULL;
p[i]->data.ref[k].id = 0;
} else {
l = ranint(NCELLS);
pobj = getref(cells, l);
p[i]->data.ref[k].addr = pobj;
p[i]->data.ref[k].id = (pobj==NULL ? 0 : pobj->data.id);
}
commentif(VERBOSE, " ref %i -> %li", k, p[i]->data.ref[k].id);
}
break;
case 2:
commentif(VERBOSE, "%i: begin commit %li", i, p[i]->data.id);
ambig[i] = p[i];
ap[i]->init = ap[i]->alloc;
ap_state[i] = 3;
break;
case 3:
commentif(VERBOSE, "%i: end commit %li", i, p[i]->data.id);
q=p[i];
if (ap[i]->limit != 0 || mps_ap_trip(ap[i], p[i], s[i])) {
l = ranint(NCELLS);
setref(cells, l, q);
commentif(VERBOSE, "%i -> %i", i, l);
}
ap_state[i] = 0;
ambig[i] = NULL;
break;
}
}
checkfrom(cells);
}
static void *test(mps_arena_t arena, mps_pool_class_t pool_class,
size_t roots_count)
{
mps_fmt_t format;
mps_chain_t chain;
mps_root_t exactRoot, ambigRoot, bogusRoot;
unsigned long objs; size_t i;
mps_word_t collections, rampSwitch;
mps_alloc_pattern_t ramp = mps_alloc_pattern_ramp();
int ramping;
mps_ap_t busy_ap;
mps_addr_t busy_init;
die(EnsureHeaderFormat(&format, arena), "fmt_create");
die(mps_chain_create(&chain, arena, genCOUNT, testChain), "chain_create");
die(mps_pool_create(&pool, arena, pool_class, format, chain),
"pool_create(amc)");
die(mps_ap_create(&ap, pool, mps_rank_exact()), "BufferCreate");
die(mps_ap_create(&busy_ap, pool, mps_rank_exact()), "BufferCreate 2");
for(i = 0; i < exactRootsCOUNT; ++i)
exactRoots[i] = objNULL;
for(i = 0; i < ambigRootsCOUNT; ++i)
ambigRoots[i] = rnd_addr();
die(mps_root_create_table_masked(&exactRoot, arena,
mps_rank_exact(), (mps_rm_t)0,
&exactRoots[0], exactRootsCOUNT,
(mps_word_t)1),
"root_create_table(exact)");
die(mps_root_create_table(&ambigRoot, arena,
mps_rank_ambig(), (mps_rm_t)0,
&ambigRoots[0], ambigRootsCOUNT),
"root_create_table(ambig)");
die(mps_root_create_table(&bogusRoot, arena,
mps_rank_ambig(), (mps_rm_t)0,
&bogusRoots[0], bogusRootsCOUNT),
"root_create_table(bogus)");
/* create an ap, and leave it busy */
die(mps_reserve(&busy_init, busy_ap, 64), "mps_reserve busy");
collections = 0;
rampSwitch = rampSIZE;
die(mps_ap_alloc_pattern_begin(ap, ramp), "pattern begin (ap)");
die(mps_ap_alloc_pattern_begin(busy_ap, ramp), "pattern begin (busy_ap)");
ramping = 1;
objs = 0;
while (collections < collectionsCOUNT) {
mps_word_t c;
size_t r;
c = mps_collections(arena);
if (collections != c) {
collections = c;
printf("\nCollection %"PRIuLONGEST", %lu objects.\n",
(ulongest_t)c, objs);
report(arena);
for (r = 0; r < exactRootsCOUNT; ++r) {
if (exactRoots[r] != objNULL)
die(HeaderFormatCheck(exactRoots[r]), "wrapper check");
}
if (collections == rampSwitch) {
int begin_ramp = !ramping
|| /* Every other time, switch back immediately. */ (collections & 1);
rampSwitch += rampSIZE;
if (ramping) {
die(mps_ap_alloc_pattern_end(ap, ramp), "pattern end (ap)");
die(mps_ap_alloc_pattern_end(busy_ap, ramp), "pattern end (busy_ap)");
ramping = 0;
/* kill half of the roots */
for(i = 0; i < exactRootsCOUNT; i += 2) {
if (exactRoots[i] != objNULL) {
die(HeaderFormatCheck(exactRoots[i]), "ramp kill check");
exactRoots[i] = objNULL;
}
}
}
if (begin_ramp) {
die(mps_ap_alloc_pattern_begin(ap, ramp),
"pattern rebegin (ap)");
die(mps_ap_alloc_pattern_begin(busy_ap, ramp),
"pattern rebegin (busy_ap)");
ramping = 1;
}
}
/* fill bogusRoots with variations of a real pointer */
r = rnd() % exactRootsCOUNT;
if (exactRoots[r] != objNULL) {
char *p = (char*)exactRoots[r];
for(i = 0; i < bogusRootsCOUNT; ++i, ++p)
bogusRoots[i] = (mps_addr_t)p;
}
}
r = (size_t)rnd();
if (r & 1) {
i = (r >> 1) % exactRootsCOUNT;
if (exactRoots[i] != objNULL)
die(HeaderFormatCheck(exactRoots[i]), "wrapper check");
exactRoots[i] = make(roots_count);
if (exactRoots[(exactRootsCOUNT-1) - i] != objNULL)
dylan_write(exactRoots[(exactRootsCOUNT-1) - i],
exactRoots, exactRootsCOUNT);
} else {
