void exithandler(int sig) {
reconos_cleanup();
printf("[reconos-core] aborted\n");
exit(0);
}
static void __exit cleanup_reconos_test_module(void)
{
reconos_cleanup();
printk("[reconos-test] unloaded\n");
}
int main(int argc, char ** argv)
{
int i;
int ret;
int hw_threads;
int sw_threads;
int running_threads;
int simulation_steps;
single_pendulum_simple_state_t *data, *expected;
int success;
int iteration;
timing_t t_start, t_stop;
ms_t t_generate;
ms_t t_calculate;
ms_t t_check;
// parse options
while (1)
{
int c;
static struct option long_options[] =
{
{ "help", no_argument, &only_print_help, 1 },
{ "without-reconos", no_argument, &without_reconos, 1 },
{ "without-memory", no_argument, &without_memory, 1 },
{ "dont-flush", no_argument, &dont_flush, 1 },
{ "iterations", required_argument, 0, 'n' },
{ "iterations-in-thread", required_argument, 0, 'm' },
{0, 0, 0, 0}
};
int option_index = 0;
c = getopt_long (argc, argv, "n:m:h?", long_options, &option_index);
if (c == -1)
// end of options
break;
switch (c) {
case 0:
// flags are handled by getopt - nothing else to do
break;
case 'n':
iterations = atoi(optarg);
break;
case 'm':
iterations_in_thread = atoi(optarg);
break;
case 'h':
case '?':
only_print_help = 1;
break;
}
}
# ifdef WITHOUT_RECONOS
without_reconos = 1;
# endif
verbose_progress = (iterations < 10);
if (only_print_help || argc - optind > 2)
{
print_help();
exit(-1);
}
hw_threads = optind < argc ? atoi(argv[optind++]) : 1;
sw_threads = optind < argc ? atoi(argv[optind++]) : 0;
if (iterations < 1)
{
fprintf(stderr, "The number of iterations must be at least 1.\n");
exit(-1);
}
if (without_reconos && hw_threads > 0)
{
fprintf(stderr, "We cannot use hardware threads without reconOS!\n");
exit(-1);
}
if (without_memory && sw_threads > 0)
{
fprintf(stderr, "'--without-memory' only works with hardware threads!\n");
exit(-1);
}
if (sizeof(void*) > sizeof(uint32_t) && sw_threads + hw_threads > 1)
{
fprintf(stderr, "mboxes work with 4-byte values, so we have some trouble passing a "
"pointer through them. We have to pass it in parts, but with more than one thread, "
"the threads might get parts from different pointers. Therefore, you cannot use "
"more than one thread on this platform.\n");
exit(-1);
}
if (iterations_in_thread > 1) {
if (hw_threads > 0 && hw_threads + sw_threads > 1)
{
fprintf(stderr, "'--iterations-in-thread' can only be used with software threads "
"or one hardware thread.\n");
exit(-1);
}
}
running_threads = hw_threads + sw_threads;
// We calculate one step per thread.
simulation_steps = running_threads;
//int gettimeofday(struct timeval *tv, struct timezone *tz);
// init mailboxes
mbox_init(&mb_start, simulation_steps);
mbox_init(&mb_stop, simulation_steps);
// init reconos and communication resources
if (!without_reconos)
reconos_init();
res[0].type = RECONOS_TYPE_MBOX;
res[0].ptr = &mb_start;
res[1].type = RECONOS_TYPE_MBOX;
res[1].ptr = &mb_stop;
printf("Creating %i hw-threads: ", hw_threads);
fflush(stdout);
for (i = 0; i < hw_threads; i++)
{
printf(" %i",i);fflush(stdout);
reconos_hwt_setresources(&(hwt[i]),res,2);
reconos_hwt_create(&(hwt[i]),i,NULL);
}
printf("\n");
// init software threads
printf("Creating %i sw-threads: ",sw_threads);
fflush(stdout);
for (i = 0; i < sw_threads; i++)
{
printf(" %i",i);fflush(stdout);
pthread_attr_init(&swt_attr[i]);
pthread_create(&swt[i], &swt_attr[i], software_thread, (void*)res);
}
printf("\n");
//print_mmu_stats();
// create pages and generate data
if (!without_memory) {
t_start = gettime();
printf("malloc of %zu bytes...\n", BLOCK_SIZE * simulation_steps);
data = malloc(BLOCK_SIZE * simulation_steps);
expected = malloc(BLOCK_SIZE * simulation_steps);
printf("generate data ...\n");
generate_data(data, expected, simulation_steps);
t_stop = gettime();
t_generate = calc_timediff_ms(t_start, t_stop);
printf("Printing of generated data skipped. \n");
//print_data(data, simulation_steps * sizeof(single_pendulum_simple_state_t) / sizeof(real_t));
}
// Start sort threads
t_start = gettime();
if (!verbose_progress) {
printf("Calculating... ");
fflush(stdout);
}
for (iteration=0; iteration<iterations; iteration++) {
if (verbose_progress) {
printf("Putting %i blocks into job queue: ", simulation_steps);
fflush(stdout);
}
if (!without_reconos && !dont_flush)
reconos_cache_flush();
for (i=0; i<simulation_steps; i++)
{
if (verbose_progress) { printf(" %i",i); fflush(stdout); }
if (iterations_in_thread > 1 && hw_threads > 0) {
// set iterations_in_thread for hw thread
mbox_put(&mb_start, SET_ITERATIONS);
mbox_put(&mb_start, iterations_in_thread);
}
mbox_put_pointer(&mb_start, (without_memory ? WITHOUT_MEMORY : &data[i]));
}
if (verbose_progress) printf("\n");
// Wait for results
if (verbose_progress) {
printf("Waiting for %i acknowledgements: ", simulation_steps);
fflush(stdout);
}
for (i=0; i<simulation_steps; i++)
{
if (verbose_progress) { printf(" %i",i); fflush(stdout); }
(void)mbox_get_pointer(&mb_stop);
}
if (verbose_progress) printf("\n");
}
if (!verbose_progress) {
printf("done\n");
fflush(stdout);
}
t_stop = gettime();
t_calculate = calc_timediff_ms(t_start,t_stop);
if (!without_reconos)
reconos_cache_flush();
// check data
//data[0] = 6666; // manual fault
if (!without_memory) {
t_start = gettime();
printf("Checking data: ... ");
fflush(stdout);
ret = check_data(data, expected, simulation_steps);
if (ret >= 0)
{
int job;
printf("failure at word index %i\n", ret);
printf("expected %5.3f found %5.3f\n", ((real_t*)expected)[ret], ((real_t*)data)[ret]);
job = ret / BLOCK_SIZE;
printf("dumping job %d:\n", job);
printf(" expected:\t"); print_data (expected[job].all, REALS_PER_BLOCK);
printf(" actual: \t"); print_data (data [job].all, REALS_PER_BLOCK);
printf(" expected:\t"); print_reals(expected[job].all, REALS_PER_BLOCK);
printf(" actual: \t"); print_reals(data [job].all, REALS_PER_BLOCK);
success = 0;
}
else
{
printf("success\n");
//print_data(data, TO_WORDS(buffer_size));
success = 1;
}
t_stop = gettime();
t_check = calc_timediff_ms(t_start,t_stop);
}
// terminate all threads
printf("Sending terminate message to %i threads:", running_threads);
fflush(stdout);
for (i=0; i<running_threads; i++)
{
printf(" %i",i);fflush(stdout);
mbox_put_pointer(&mb_start, THREAD_EXIT);
}
printf("\n");
printf("Waiting for termination...\n");
for (i=0; i<hw_threads; i++)
{
pthread_join(hwt[i].delegate,NULL);
}
for (i=0; i<sw_threads; i++)
{
pthread_join(swt[i],NULL);
}
printf("\n");
if (!without_reconos)
print_mmu_stats();
if (!without_memory) {
printf( "Running times (size: %d jobs, %d hw-threads, %d sw-threads):\n"
"\tGenerate data: %lu ms\n"
"\tCalculation : %lu ms\n"
"\tCheck data : %lu ms\n",
simulation_steps, hw_threads, sw_threads,
t_generate, t_calculate, t_check);
} else {
printf( "Running times (size: %d jobs, %d hw-threads, %d sw-threads):\n"
"\tCalculation : %lu ms\n",
simulation_steps, hw_threads, sw_threads,
t_calculate);
}
free(data);
free(expected);
if (!without_reconos)
reconos_cleanup();
if (success)
return 0;
else
return 1;
}
