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/*
TEST_HEADER
id = $Id$
summary = MVFF low-memory test
language = c
link = testlib.o
parameters = QUEUES=1000 ITERATIONS=100000
END_HEADER
*/
#include <time.h>
#include "testlib.h"
#include "mpscmvff.h"
#include "mpsavm.h"
#define MAXNUMBER 1000000
mps_arena_t arena;
mps_bool_t slotHigh, arenaHigh, firstFit;
int comments = 0;
static struct {mps_addr_t addr; size_t size;} queue[MAXNUMBER];
static mps_pool_debug_option_s debugOpts = {(void *) "fefifofu", 8};
enum {SEQ=0, RAN=1, SEQGAP=2, RANGAP=3, DUMMY=4};
static char *tdesc[] = {"sequential", "random",
"sequential gap", "random gap", "dummy"};
static void setobj(mps_addr_t a, size_t size, unsigned char val)
{
unsigned char *b;
b = a;
commentif(comments, "Set %x, size %x = %i", b, size, (int) val);
while (size>0)
{
*b=val;
b++;
size--;
}
}
static int chkobj(mps_addr_t a, size_t size, unsigned char val)
{
unsigned char *b;
b = a;
while (size>0)
{
/* comment("%p == %i", b, (int) val);
*/
if (*b != val) return 0;
b++;
size--;
}
return 1;
}
static void dt(int kind,
size_t extendBy, size_t avgSize, size_t align,
unsigned long mins, unsigned long maxs, int number, int iter)
{
mps_pool_t pool;
int i, hd;
clock_t time0, time1;
size_t size;
double secs;
asserts(number <= MAXNUMBER, "number too big");
time0 = clock();
asserts(time0 != -1, "processor time not available");
die(
mps_pool_create(&pool, arena, mps_class_mvff_debug(),
&debugOpts,
extendBy, avgSize, align, slotHigh, arenaHigh, firstFit),
"create MVFF pool");
for(hd=0; hd<number; hd++)
{
queue[hd].addr = NULL;
size = ranrange(mins, maxs);
if ((ranint(2) && (kind & 2)) || (kind==DUMMY))
{
}
else
{
if (MPS_RES_OK == mps_alloc(&queue[hd].addr, pool, size)) {
commentif(comments, "Alloc: %i at %x, size %x", hd, queue[hd].addr, size);
setobj(queue[hd].addr, size, (unsigned char) (hd%256));
queue[hd].size = size;
} else {
commentif(comments, "Alloc failed: %i, size %x", hd, size);
}
}
};
hd=-1;
for(i=0; i<iter; i++)
{
if (ranint(100) == 1) {
mps_pool_check_fenceposts(pool);
}
if (kind & 1) hd = ranint(number);
else {ranint(number); hd=(hd+1)%number;} /* call raninit anyway
to use same time */
if (queue[hd].addr != NULL)
{
asserts(chkobj(queue[hd].addr, queue[hd].size, (unsigned char) (hd%256)),
"corrupt at %p (%s: %x, %x, %x, %c%c%c, %lx, %lx, %i, %i)",
queue[hd].addr,
tdesc[kind], (int) extendBy, (int) avgSize, (int) align,
slotHigh ? 'S' : 's', arenaHigh ? 'A' : 'a', firstFit ? 'F' : 'f',
mins, maxs, number, iter);
commentif(comments, "Free %i at %x, size %x", hd,
queue[hd].addr, queue[hd].size);
mps_free(pool, queue[hd].addr, queue[hd].size);
}
size = ranrange(mins, maxs);
queue[hd].addr=NULL;
if ((ranint(2) && (kind & 2)) || (kind==DUMMY))
{
}
else
{
if (MPS_RES_OK == mps_alloc(&queue[hd].addr, pool, size)) {
commentif(comments, "Alloc %i at %x, size %x", hd, queue[hd].addr, size);
setobj(queue[hd].addr, size, (unsigned char) (hd%256));
queue[hd].size = size;
} else {
commentif(comments, "Alloc failed: %i, size %x", hd, size);
}
}
}
mps_pool_destroy(pool);
time1=clock();
secs=(time1-time0)/(double)CLOCKS_PER_SEC;
comment("%s test (%x, %x, %x, %c%c%c, %lx, %lx, %i, %i) in %.2f s",
tdesc[kind], (int) extendBy, (int) avgSize, (int) align,
slotHigh ? 'S' : 's', arenaHigh ? 'A' : 'a', firstFit ? 'F' : 'f',
mins, maxs, number, iter, secs);
}
static void test(void *stack_pointer)
{
mps_thr_t thread;
unsigned long mins;
int symm;
size_t comlimit;
cdie(mps_arena_create(&arena, mps_arena_class_vm(), (size_t) (1024*1024*50)), "create arena");
cdie(mps_thread_reg(&thread, arena), "register thread");
for (comlimit = 512*1024; comlimit > 0; comlimit /= 2) {
if (mps_arena_commit_limit_set(arena, comlimit) != MPS_RES_OK) break;
report("limit", "%x", comlimit);
symm = ranint(8);
slotHigh = (symm >> 2) & 1;
arenaHigh = (symm >> 1) & 1;
firstFit = (symm & 1);
mins = ranrange(1, 16);
dt(RANGAP, 64*1024, 32, 8, 4*mins, 4*ranrange(mins, mins*100), QUEUES, ITERATIONS);
}
mps_thread_dereg(thread);
mps_arena_destroy(arena);
}
int main(void)
{
run_test(test);
pass();
return 0;
}
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