int main(int argc, char * argv[]) {
// command line options
if (cmdline_option_exists(argv, argv + argc, "-h")) help_exit(argc, argv);
const char * n_threads_str = get_cmdline_option(argv, argv + argc, "-p");
if (!n_threads_str) help_exit(argc, argv);
const size_t n_threads = std::atoi(n_threads_str);
const char * n_expected_columns_str = get_cmdline_option(argv, argv + argc, "-c");
if (!n_expected_columns_str) help_exit(argc, argv);
const size_t n_expected_columns = std::atoi(n_expected_columns_str);
const char * filepath = get_cmdline_option(argv, argv + argc, "-f");
if (!filepath) help_exit(argc, argv);
// instantiate CsvConfig
BENCH_START;
PCP::CsvConfig csv_config(filepath, false);
BENCH_STOP("mmap(2)+madvise(2) file");
// setup range each thread parse
size_t size_per_thread = (csv_config.filesize() - csv_config.body_offset()) / n_threads;
std::vector<parser_thread_arg_t> parser_thread_args(n_threads);
for (size_t i = 0; i < n_threads; ++i) {
parser_thread_arg_t & parser_thread_arg = parser_thread_args[i];
parser_thread_arg.n_columns = 0;
PCP::partial_csv_t & partial_csv = parser_thread_arg.partial_csv;
partial_csv.csv_config = &csv_config;
partial_csv.parse_from = csv_config.body_offset() + i * size_per_thread;
partial_csv.parse_to = csv_config.body_offset() + (i + 1) * size_per_thread - 1;
}
// create threads
std::vector<pthread_t> tids(n_threads);
BENCH_START;
for (size_t i = 0; i < n_threads; ++i)
pthread_create(&tids[i], NULL, (void *(*)(void *))partial_parse, &parser_thread_args[i]);
// join threads
for (size_t i = 0; i < n_threads; ++i)
pthread_join(tids[i], NULL);
BENCH_STOP("join parsing threads");
// calculate total number of columns
size_t n_total_columns = 0;
for (size_t i = 0; i < n_threads; ++i) n_total_columns += parser_thread_args[i].n_columns;
// check the answer
if (n_total_columns == n_expected_columns) {
std::cout << "OK. Parsed " << n_total_columns << " columns." << std::endl;
return 0;
}
else {
std::cout << "NG. Parsed " << n_total_columns << " columns, while " << n_expected_columns << " columns are expected." << std::endl;
return 1;
}
}
static void
bench_mutex_threaded()
{
int i;
pthread_mutex_t lock = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
/* mutex lock/unlock (2-5 threads) */
for (i=2; i<=5; i++) {
int t;
pthread_t threads[i];
BENCH_START();
for (t=0; t<i; t++)
pthread_create( &threads[t], NULL, mutex_lock_unlock_loop, &lock );
for (t=0; t<i; t++)
pthread_join( threads[t], NULL );
BENCH_STOP();
printf( "mutex lock/unlock (rec., %d threads) -> %8.2f k/sec\n", i, BENCH_RESULT() );
}
pthread_mutex_destroy( &lock );
printf( "\n" );
}
static void
bench_flock()
{
int fd;
FILE *tmp;
tmp = tmpfile();
if (!tmp) {
perror( "tmpfile()" );
return;
}
fd = fileno( tmp );
if (fd < 0) {
perror( "fileno()" );
fclose( tmp );
return;
}
BENCH_START();
BENCH_LOOP() {
flock( fd, LOCK_EX );
flock( fd, LOCK_UN );
}
BENCH_STOP();
printf( "flock lock/unlock -> %8.2f k/sec\n", BENCH_RESULT() );
printf( "\n" );
fclose( tmp );
}
static void
bench_skirmish()
{
DirectResult ret;
FusionSkirmish skirmish;
ret = fusion_skirmish_init( &skirmish, "Benchmark", world );
if (ret) {
fprintf( stderr, "Fusion Error %d\n", ret );
return;
}
/* skirmish prevail/dismiss */
BENCH_START();
BENCH_LOOP() {
fusion_skirmish_prevail( &skirmish );
fusion_skirmish_dismiss( &skirmish );
}
BENCH_STOP();
printf( "skirmish prevail/dismiss -> %8.2f k/sec\n", BENCH_RESULT() );
fusion_skirmish_destroy( &skirmish );
printf( "\n" );
}
static void
bench_property()
{
DirectResult ret;
FusionProperty property;
ret = fusion_property_init( &property, world );
if (ret) {
fprintf( stderr, "Fusion Error %d\n", ret );
return;
}
/* property lease/cede */
BENCH_START();
BENCH_LOOP() {
fusion_property_lease( &property );
fusion_property_cede( &property );
}
BENCH_STOP();
printf( "property lease/cede -> %8.2f k/sec\n", BENCH_RESULT() );
fusion_property_destroy( &property );
printf( "\n" );
}
static void
bench_ref()
{
DirectResult ret;
FusionRef ref;
ret = fusion_ref_init( &ref, "Benchmark", world );
if (ret) {
fprintf( stderr, "Fusion Error %d\n", ret );
return;
}
/* ref up/down (local) */
BENCH_START();
BENCH_LOOP() {
fusion_ref_up( &ref, false );
fusion_ref_down( &ref, false );
}
BENCH_STOP();
printf( "ref up/down (local) -> %8.2f k/sec\n", BENCH_RESULT() );
/* ref up/down (global) */
BENCH_START();
BENCH_LOOP() {
fusion_ref_up( &ref, true );
fusion_ref_down( &ref, true );
}
BENCH_STOP();
printf( "ref up/down (global) -> %8.2f k/sec\n", BENCH_RESULT() );
fusion_ref_destroy( &ref );
printf( "\n" );
}
static void
bench_mutex()
{
pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
pthread_mutex_t rmutex = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
/* pthread_mutex lock/unlock */
BENCH_START();
BENCH_LOOP() {
pthread_mutex_lock( &mutex );
pthread_mutex_unlock( &mutex );
}
BENCH_STOP();
printf( "mutex lock/unlock -> %8.2f k/sec\n", BENCH_RESULT() );
/* pthread_mutex lock/unlock */
BENCH_START();
BENCH_LOOP() {
pthread_mutex_lock( &rmutex );
pthread_mutex_unlock( &rmutex );
}
BENCH_STOP();
printf( "mutex lock/unlock (recursive) -> %8.2f k/sec\n", BENCH_RESULT() );
pthread_mutex_destroy( &mutex );
pthread_mutex_destroy( &rmutex );
printf( "\n" );
}
static void
bench_shmpool( bool debug )
{
DirectResult ret;
void *mem[256];
const int sizes[8] = { 12, 36, 200, 120, 39, 3082, 8, 1040 };
FusionSHMPoolShared *pool;
ret = fusion_shm_pool_create( world, "Benchmark Pool", 524288, debug, &pool );
if (ret) {
DirectFBError( "fusion_shm_pool_create() failed", ret );
return;
}
BENCH_START();
BENCH_LOOP() {
int i;
for (i=0; i<128; i++)
mem[i] = SHMALLOC( pool, sizes[i&7] );
for (i=0; i<64; i++)
SHFREE( pool, mem[i] );
for (i=128; i<192; i++)
mem[i] = SHMALLOC( pool, sizes[i&7] );
for (i=64; i<128; i++)
SHFREE( pool, mem[i] );
for (i=192; i<256; i++)
mem[i] = SHMALLOC( pool, sizes[i&7] );
for (i=128; i<256; i++)
SHFREE( pool, mem[i] );
}
BENCH_STOP();
printf( "shm pool alloc/free %s -> %8.2f k/sec\n",
debug ? "(debug)" : " ", BENCH_RESULT_BY(256) );
fusion_shm_pool_destroy( world, pool );
}
static void
bench_skirmish_threaded()
{
int i;
DirectResult ret;
FusionSkirmish skirmish;
ret = fusion_skirmish_init( &skirmish, "Threaded Benchmark", world );
if (ret) {
fprintf( stderr, "Fusion Error %d\n", ret );
return;
}
/* skirmish prevail/dismiss (2-5 threads) */
for (i=2; i<=5; i++) {
int t;
pthread_t threads[i];
BENCH_START();
for (t=0; t<i; t++)
pthread_create( &threads[t], NULL, prevail_dismiss_loop, &skirmish );
for (t=0; t<i; t++)
pthread_join( threads[t], NULL );
BENCH_STOP();
printf( "skirmish prevail/dismiss (%d threads) -> %8.2f k/sec\n", i, BENCH_RESULT() );
}
fusion_skirmish_destroy( &skirmish );
printf( "\n" );
}
static void
bench_reactor()
{
FusionReactor *reactor;
Reaction reaction;
Reaction reaction2;
GlobalReaction global_reaction;
reactor = fusion_reactor_new( 16, "Benchmark", world );
if (!reactor) {
fprintf( stderr, "Fusion Error\n" );
return;
}
/* reactor attach/detach */
BENCH_START();
BENCH_LOOP() {
fusion_reactor_attach( reactor, reaction_callback, NULL, &reaction );
fusion_reactor_detach( reactor, &reaction );
}
BENCH_STOP();
printf( "reactor attach/detach -> %8.2f k/sec\n", BENCH_RESULT() );
/* reactor attach/detach (2nd) */
fusion_reactor_attach( reactor, reaction_callback, NULL, &reaction );
BENCH_START();
BENCH_LOOP() {
fusion_reactor_attach( reactor, reaction_callback, NULL, &reaction2 );
fusion_reactor_detach( reactor, &reaction2 );
}
BENCH_STOP();
fusion_reactor_detach( reactor, &reaction );
printf( "reactor attach/detach (2nd) -> %8.2f k/sec\n", BENCH_RESULT() );
/* reactor attach/detach (global) */
fusion_reactor_attach( reactor, reaction_callback, NULL, &reaction );
BENCH_START();
BENCH_LOOP() {
fusion_reactor_attach_global( reactor, 0, NULL, &global_reaction );
fusion_reactor_detach_global( reactor, &global_reaction );
}
BENCH_STOP();
fusion_reactor_detach( reactor, &reaction );
printf( "reactor attach/detach (global) -> %8.2f k/sec\n", BENCH_RESULT() );
/* reactor dispatch */
fusion_reactor_attach( reactor, reaction_callback, NULL, &reaction );
BENCH_START();
BENCH_LOOP() {
char msg[16];
fusion_reactor_dispatch( reactor, msg, true, NULL );
}
BENCH_STOP();
printf( "reactor dispatch -> %8.2f k/sec\n", BENCH_RESULT() );
fusion_reactor_detach( reactor, &reaction );
fusion_reactor_free( reactor );
printf( "\n" );
}