void
reset_game_state(void)
{
extern int last_highscore;
SDL_ShowCursor(SDL_DISABLE);
last_highscore = -1;
gc.score = 0;
gc.ships_left = 2;
gc.level_tics = 0;
gc.multiplier = 1;
gc.cur_level = settings.static_settings->start_level;
ship.is_alive = 0;
gc.tics_remaining = 0;
/* last_death_tic = -70; */
memset(&game_stat_counters, 0, sizeof(game_stat_counters));
ships_text_width = string_width_in_pixels(font_small, "ships");
reset_level();
reset_eye();
reset_water();
reset_background();
reset_arena();
reset_particles();
reset_explosions();
reset_missiles();
reset_bombs();
reset_lasers();
reset_foes();
reset_powerups();
reset_in_game_texts();
reset_ship_powerups();
set_inner_state(IS_WAVE_TITLE);
play_music(MUS_STAGE_1);
}
static void do_random_experiment(FILE* outfile,
int num_cpus, int wss,
int sleep_min, int sleep_max,
int write_cycle, int sample_count,
int best_effort)
{
int last_cpu, next_cpu, delay, show = 1, i;
unsigned long preempt_counter = 0;
unsigned long migration_counter = 0;
unsigned long counter = 1;
unsigned long num_pages = wss / getpagesize();
unsigned long *phys_addrs;
cycles_t start, stop;
cycles_t cold, hot1, hot2, hot3, after_resume;
int *mem;
if (!num_pages)
num_pages = 1;
phys_addrs = malloc(sizeof(long) * num_pages);
migrate_to(0);
last_cpu = 0;
/* prefault and dirty cache */
reset_arena();
#if defined(__i386__) || defined(__x86_64__)
if (!best_effort)
iopl(3);
#endif
fprintf(outfile,
"# %5s, %6s, %6s, %6s, %3s, %3s"
", %10s, %10s, %10s, %10s, %10s"
", %12s, %12s"
"\n",
"COUNT", "WCYCLE",
"WSS", "DELAY", "SRC", "TGT", "COLD",
"HOT1", "HOT2", "HOT3", "WITH-CPMD",
"VIRT ADDR", "PHYS ADDR");
while (!sample_count ||
sample_count >= preempt_counter ||
(num_cpus > 1 && sample_count >= migration_counter)) {
delay = sleep_min + random() % (sleep_max - sleep_min + 1);
next_cpu = pick_cpu(last_cpu, num_cpus);
if (sample_count)
show = (next_cpu == last_cpu && sample_count >= preempt_counter) ||
(next_cpu != last_cpu && sample_count >= migration_counter);
mem = allocate(wss);
#if defined(__i386__) || defined(__x86_64__)
if (!best_effort)
cli();
#endif
start = get_cycles();
mem[0] = touch_mem(mem, wss, write_cycle);
stop = get_cycles();
cold = stop - start;
start = get_cycles();
mem[0] = touch_mem(mem, wss, write_cycle);
stop = get_cycles();
hot1 = stop - start;
start = get_cycles();
mem[0] = touch_mem(mem, wss, write_cycle);
stop = get_cycles();
hot2 = stop - start;
start = get_cycles();
mem[0] = touch_mem(mem, wss, write_cycle);
stop = get_cycles();
hot3 = stop - start;
#if defined(__i386__) || defined(__x86_64__)
if (!best_effort)
sti();
#endif
migrate_to(next_cpu);
sleep_us(delay);
#if defined(__i386__) || defined(__x86_64__)
if (!best_effort)
cli();
#endif
start = get_cycles();
mem[0] = touch_mem(mem, wss, write_cycle);
stop = get_cycles();
#if defined(__i386__) || defined(__x86_64__)
if (!best_effort)
sti();
#endif
after_resume = stop - start;
/* run, write ratio, wss, delay, from, to, cold, hot1, hot2,
* hot3, after_resume */
if (show) {
fprintf(outfile,
" %6ld, %6d, %6d, %6d, %3d, %3d, "
"%10" CYCLES_FMT ", "
"%10" CYCLES_FMT ", "
"%10" CYCLES_FMT ", "
"%10" CYCLES_FMT ", "
"%10" CYCLES_FMT ", "
"%12lu",
counter++, write_cycle,
wss, delay, last_cpu, next_cpu, cold,
hot1, hot2, hot3,
after_resume,
(unsigned long) mem);
get_phys_addrs(0,
(unsigned long) mem,
wss * 1024 + (unsigned long) mem,
phys_addrs,
wss);
for (i = 0; i < num_pages; i++)
fprintf(outfile, ", %12lu", phys_addrs[i]);
fprintf(outfile, "\n");
}
if (next_cpu == last_cpu)
preempt_counter++;
else
migration_counter++;
last_cpu = next_cpu;
deallocate(mem);
}
free(phys_addrs);
}