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/*
TEST_HEADER
id = $Id$
summary = test of mps_ld_merge
language = c
link = testlib.o rankfmt.o
harness = 3.0
parameters = MAXLDS=1000 MAXMERGE=20 BLATPERCENT=90 JUNK=100 AMBIGHOLD=900
END_HEADER
*/
#include "testlib.h"
#include "mpscawl.h"
#include "mpscmvff.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 } };
mps_arena_t arena;
static mycell *obj_table[MAXLDS];
static mycell *addr_table[MAXLDS];
static mps_ld_t lds[MAXLDS];
static mps_ld_t ldm[MAXLDS];
static int checklds(int merge) {
int i, j, k, thisstale, stalecount;
stalecount = 0;
for (i=0; i < MAXLDS; i++) {
thisstale = 0;
for (j=0; j < merge; j++) {
k = (i+j) % MAXLDS;
if (obj_table[k] != addr_table[k]) {
thisstale = 1;
asserts(mps_ld_isstale(ldm[i], arena, (mps_addr_t) obj_table[k]),
"%d isn't stale but should be", i);
}
}
stalecount += thisstale;
}
return stalecount;
}
static void mergelds(int merge) {
int i, j, k;
for (i=0; i < MAXLDS; i++) {
mps_ld_reset(ldm[i], arena);
for (j=0; j < merge; j++) {
k = (i+j) % MAXLDS;
mps_ld_merge(ldm[i], arena, lds[k]);
}
}
}
static void blat(mps_ap_t apamc, unsigned percent) {
int i;
for (i=0; i < MAXLDS; i++) {
if (ranint(100) < percent) {
obj_table[i] = allocone(apamc, ranint(1000), mps_rank_exact());
mps_ld_reset(lds[i], arena);
mps_ld_add(lds[i], arena, (mps_addr_t) obj_table[i]);
addr_table[i] = obj_table[i];
}
}
}
static void test(void *stack_pointer)
{
mps_pool_t poolmvff, poolawl, poolamc;
mps_thr_t thread;
mps_root_t root0, root1, root2;
mps_addr_t p;
mps_chain_t chain;
mps_fmt_t format;
mps_ap_t apawl, apamc;
mps_addr_t base;
mps_addr_t *addr;
int i,j,merge,stale,prevstale;
mycell *held[AMBIGHOLD];
RC;
cdie(mps_arena_create(&arena, mps_arena_class_vm(), 100*1024*1024),
"create arena");
cdie(mps_thread_reg(&thread, arena), "register thread");
base = &exfmt_root;
addr = base;
cdie(
mps_root_create_table(&root0, arena, mps_rank_ambig(), 0, addr, 1),
"create exfmt root");
cdie(
mps_root_create_table(&root2, arena, mps_rank_exact(), 0,
(mps_addr_t *)obj_table, MAXLDS),
"create table root");
cdie(mps_root_create_thread(&root1, arena, thread, stack_pointer), "thread root"); cdie(
mps_fmt_create_A(&format, arena, &fmtA),
"create format");
cdie(
mps_pool_create(&poolawl, arena, mps_class_awl(), format, getassociated),
"create awl pool");
cdie(mps_pool_create_k(&poolmvff, arena, mps_class_mvff(), mps_args_none),
"create MVFF pool");
cdie(
mps_ap_create(&apawl, poolawl, mps_rank_exact()),
"create ap");
cdie(mps_chain_create(&chain, arena, genCOUNT, testChain), "chain_create");
cdie(
mps_pool_create(&poolamc, arena, mps_class_amc(), format, chain),
"create amc pool");
cdie(
mps_ap_create(&apamc, poolamc, mps_rank_exact()),
"create ap");
/* allocate MAXLDS objects, and make each LD depend on the corresponding
object
*/
for (i=0; i < MAXLDS; i++) {
mps_alloc(&p, poolmvff, sizeof(mps_ld_s));
lds[i] = (mps_ld_t) p;
mps_alloc(&p, poolmvff, sizeof(mps_ld_s));
ldm[i] = (mps_ld_t) p;
}
blat(apamc, 100);
for (merge = 1; merge <= MAXMERGE; merge++) {
comment("Merge %d", merge);
blat(apamc, BLATPERCENT);
mergelds(merge);
stale = 0;
prevstale = 0;
i = 0;
while (stale < MAXLDS) {
for (j = 0; j < AMBIGHOLD; j++) {
held[j] = obj_table[ranint(MAXLDS)];
}
i++;
stale = checklds(merge);
if (stale > prevstale) {
prevstale = stale;
comment("inc to %d at %d", stale, i);
}
for (j = 0; j < JUNK; j++) {
(void)allocdumb(apamc, ranint(1000), mps_rank_exact());
}
}
}
comment("held[0] = %p", held[0]); /* avoid warning about unused variable */
mps_arena_park(arena);
mps_ap_destroy(apawl);
mps_ap_destroy(apamc);
comment("Destroyed aps.");
mps_pool_destroy(poolmvff);
mps_pool_destroy(poolamc);
mps_pool_destroy(poolawl);
comment("Destroyed pools.");
mps_fmt_destroy(format);
comment("Destroyed format.");
mps_chain_destroy(chain);
comment("Destroyed chain.");
mps_root_destroy(root0);
mps_root_destroy(root1);
mps_root_destroy(root2);
comment("Destroyed roots.");
mps_thread_dereg(thread);
comment("Deregistered thread.");
mps_arena_destroy(arena);
comment("Destroyed arena.");
}
int main(void) {
run_test(test);
pass();
return 0;
}
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