rosella/gc_test.c

90 lines
1.8 KiB
C

#include <sys/time.h>
#include <inttypes.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "gc.h"
void out_of_memory(void)
{
fprintf(stderr, "Out of memory!\n");
abort();
}
int main(int argc, char **argv)
{
gc_root_t list_root;
int count = 0;
gc_init(1024, 256*1024*1024);
srand((unsigned int)time(NULL));
register_gc_root(&list_root, NIL);
while (1)
{
int r = rand() & 0x3fff;
if (r == 0)
list_root.value = make_fixnum(rand());
else
{
switch (r & 7)
{
case 0:
list_root.value = cons(make_fixnum(rand()), list_root.value);
break;
case 1:
list_root.value = cons(list_root.value, make_byte_string(256, '\0'));
break;
case 2:
list_root.value = make_box(list_root.value);
break;
case 3:
list_root.value = cons(list_root.value, cons(make_fixnum(-1), NIL));
get_pair(get_pair(list_root.value)->cdr)->cdr = list_root.value;
break;
case 4:
case 5:
case 6:
case 7:
{
value_t s = make_struct(NIL, 5);
_get_struct(s)->slots[1+(r & 3)] = list_root.value;
list_root.value = s;
}
break;
}
}
if (++count >= 10000000)
{
const double total_time = gc_stats.total_ticks / (double)CLOCKS_PER_SEC;
fprintf(stderr, "%0.3f sec / %d GCs => %0.3f usec/GC; peak was %u bytes.\n",
total_time,
gc_stats.collections,
(1000000 * total_time) / gc_stats.collections,
gc_stats.high_water);
gc_stats.collections = 0;
gc_stats.total_ticks = 0;
gc_stats.high_water = 0;
count = 0;
break;
}
}
unregister_gc_root(&list_root);
return 0;
}
/* vim:set sw=2 expandtab: */