static inline void _populate_free_list( lockless_cache_t *cache ) {
assert( cache != NULL );
slab_list_t *sl = &( cache->slab_list );
slab_t *newhead = NULL, *newtail = NULL;
_prepopulate_list( cache, &newhead, &newtail );
if( ! AO_compare_and_swap_full( &( sl->free_list ), NULL, newhead ) ) {
slab_t *oldfl;
do {
oldfl = AO_load_full( &( sl->free_list ) );
AO_store_full( &( newtail->next ), oldfl );
} while(
! AO_compare_and_swap_full( &( sl->free_list ), oldfl, newhead )
)
}
int main(int argc, char **argv)
{
struct option long_options[] = {
// These options don't set a flag
{"help", no_argument, NULL, 'h'},
{"alternate", no_argument, NULL, 'A'},
{"effective", required_argument, NULL, 'f'},
{"duration", required_argument, NULL, 'd'},
{"initial-size", required_argument, NULL, 'i'},
{"num-threads", required_argument, NULL, 'n'},
{"range", required_argument, NULL, 'r'},
{"seed", required_argument, NULL, 's'},
{"update-rate", required_argument, NULL, 'u'},
{"move-rate", required_argument, NULL, 'm'},
{"snapshot-rate", required_argument, NULL, 'a'},
{"elasticity", required_argument, NULL, 'x'},
{NULL, 0, NULL, 0}
};
ht_intset_t *set;
int i, c, size;
val_t last = 0;
val_t val = 0;
unsigned long reads, effreads, updates, effupds, moves, snapshots, aborts,
aborts_locked_read, aborts_locked_write, aborts_validate_read,
aborts_validate_write, aborts_validate_commit, aborts_invalid_memory,
aborts_double_write,
max_retries, failures_because_contention;
thread_data_t *data;
pthread_t *threads;
pthread_attr_t attr;
barrier_t barrier;
struct timeval start, end;
struct timespec timeout;
int duration = DEFAULT_DURATION;
int initial = DEFAULT_INITIAL;
int nb_threads = DEFAULT_NB_THREADS;
long range = DEFAULT_RANGE;
int seed = DEFAULT_SEED;
int update = DEFAULT_UPDATE;
int load_factor = DEFAULT_LOAD;
int move = DEFAULT_MOVE;
int snapshot = DEFAULT_SNAPSHOT;
int unit_tx = DEFAULT_ELASTICITY;
int alternate = DEFAULT_ALTERNATE;
int effective = DEFAULT_EFFECTIVE;
sigset_t block_set;
while(1) {
i = 0;
c = getopt_long(argc, argv, "hAf:d:i:n:r:s:u:m:a:l:x:", long_options, &i);
if(c == -1)
break;
if(c == 0 && long_options[i].flag == 0)
c = long_options[i].val;
switch(c) {
case 0:
// Flag is automatically set
break;
case 'h':
printf("intset -- STM stress test "
"(hash table)\n"
"\n"
"Usage:\n"
" intset [options...]\n"
"\n"
"Options:\n"
" -h, --help\n"
" Print this message\n"
" -A, --Alternate\n"
" Consecutive insert/remove target the same value\n"
" -f, --effective <int>\n"
" update txs must effectively write (0=trial, 1=effective, default=" XSTR(DEFAULT_EFFECTIVE) ")\n"
" -d, --duration <int>\n"
" Test duration in milliseconds (0=infinite, default=" XSTR(DEFAULT_DURATION) ")\n"
" -i, --initial-size <int>\n"
" Number of elements to insert before test (default=" XSTR(DEFAULT_INITIAL) ")\n"
" -n, --num-threads <int>\n"
" Number of threads (default=" XSTR(DEFAULT_NB_THREADS) ")\n"
" -r, --range <int>\n"
" Range of integer values inserted in set (default=" XSTR(DEFAULT_RANGE) ")\n"
" -s, --seed <int>\n"
" RNG seed (0=time-based, default=" XSTR(DEFAULT_SEED) ")\n"
" -u, --update-rate <int>\n"
" Percentage of update transactions (default=" XSTR(DEFAULT_UPDATE) ")\n"
" -m , --move-rate <int>\n"
" Percentage of move transactions (default=" XSTR(DEFAULT_MOVE) ")\n"
" -a , --snapshot-rate <int>\n"
" Percentage of snapshot transactions (default=" XSTR(DEFAULT_SNAPSHOT) ")\n"
" -l , --load-factor <int>\n"
" Ratio of keys over buckets (default=" XSTR(DEFAULT_LOAD) ")\n"
" -x, --elasticity (default=4)\n"
" Use elastic transactions\n"
" 0 = non-protected,\n"
" 1 = normal transaction,\n"
" 2 = read elastic-tx,\n"
" 3 = read/add elastic-tx,\n"
" 4 = read/add/rem elastic-tx,\n"
" 5 = elastic-tx w/ optimized move.\n"
);
exit(0);
case 'A':
alternate = 1;
break;
case 'f':
effective = atoi(optarg);
break;
case 'd':
duration = atoi(optarg);
break;
case 'i':
initial = atoi(optarg);
break;
case 'n':
nb_threads = atoi(optarg);
break;
case 'r':
range = atol(optarg);
break;
case 's':
seed = atoi(optarg);
break;
case 'u':
update = atoi(optarg);
break;
case 'm':
move = atoi(optarg);
break;
case 'a':
snapshot = atoi(optarg);
break;
case 'l':
load_factor = atoi(optarg);
break;
case 'x':
unit_tx = atoi(optarg);
break;
case '?':
printf("Use -h or --help for help\n");
exit(0);
default:
exit(1);
}
}
assert(duration >= 0);
assert(initial >= 0);
assert(nb_threads > 0);
assert(range > 0 && range >= initial);
assert(update >= 0 && update <= 100);
assert(move >= 0 && move <= update);
assert(snapshot >= 0 && snapshot <= (100-update));
assert(initial < MAXHTLENGTH);
assert(initial >= load_factor);
printf("Set type : hash table\n");
printf("Duration : %d\n", duration);
printf("Initial size : %d\n", initial);
printf("Nb threads : %d\n", nb_threads);
printf("Value range : %ld\n", range);
printf("Seed : %d\n", seed);
printf("Update rate : %d\n", update);
printf("Load factor : %d\n", load_factor);
printf("Move rate : %d\n", move);
printf("Snapshot rate: %d\n", snapshot);
printf("Elasticity : %d\n", unit_tx);
printf("Alternate : %d\n", alternate);
printf("Effective : %d\n", effective);
printf("Type sizes : int=%d/long=%d/ptr=%d/word=%d\n",
(int)sizeof(int),
(int)sizeof(long),
(int)sizeof(void *),
(int)sizeof(uintptr_t));
timeout.tv_sec = duration / 1000;
timeout.tv_nsec = (duration % 1000) * 1000000;
if ((data = (thread_data_t *)malloc(nb_threads * sizeof(thread_data_t))) == NULL) {
perror("malloc");
exit(1);
}
if ((threads = (pthread_t *)malloc(nb_threads * sizeof(pthread_t))) == NULL) {
perror("malloc");
exit(1);
}
if (seed == 0)
srand((int)time(0));
else
srand(seed);
//maxhtlength = (unsigned int) initial / load_factor;
set = ht_new();
stop = 0;
// Init STM
printf("Initializing STM\n");
TM_STARTUP();
// Populate set
printf("Adding %d entries to set\n", initial);
i = 0;
maxhtlength = (int) (initial / load_factor);
while (i < initial) {
val = rand_range(range);
if (ht_add(set, val, 0)) {
last = val;
i++;
}
}
size = ht_size(set);
printf("Set size : %d\n", size);
printf("Bucket amount: %d\n", maxhtlength);
printf("Load : %d\n", load_factor);
// Access set from all threads
barrier_init(&barrier, nb_threads + 1);
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
for (i = 0; i < nb_threads; i++) {
printf("Creating thread %d\n", i);
data[i].first = last;
data[i].range = range;
data[i].update = update;
data[i].load_factor = load_factor;
data[i].move = move;
data[i].snapshot = snapshot;
data[i].unit_tx = unit_tx;
data[i].alternate = alternate;
data[i].effective = effective;
data[i].nb_add = 0;
data[i].nb_added = 0;
data[i].nb_remove = 0;
data[i].nb_removed = 0;
data[i].nb_move = 0;
data[i].nb_moved = 0;
data[i].nb_snapshot = 0;
data[i].nb_snapshoted = 0;
data[i].nb_contains = 0;
data[i].nb_found = 0;
data[i].nb_aborts = 0;
data[i].nb_aborts_locked_read = 0;
data[i].nb_aborts_locked_write = 0;
data[i].nb_aborts_validate_read = 0;
data[i].nb_aborts_validate_write = 0;
data[i].nb_aborts_validate_commit = 0;
data[i].nb_aborts_invalid_memory = 0;
data[i].nb_aborts_double_write = 0;
data[i].max_retries = 0;
data[i].seed = rand();
data[i].set = set;
data[i].barrier = &barrier;
data[i].failures_because_contention = 0;
if (pthread_create(&threads[i], &attr, test, (void *)(&data[i])) != 0) {
fprintf(stderr, "Error creating thread\n");
exit(1);
}
}
pthread_attr_destroy(&attr);
// Start threads
barrier_cross(&barrier);
printf("STARTING...\n");
gettimeofday(&start, NULL);
if (duration > 0) {
nanosleep(&timeout, NULL);
} else {
sigemptyset(&block_set);
sigsuspend(&block_set);
}
AO_store_full(&stop, 1);
gettimeofday(&end, NULL);
printf("STOPPING...\n");
// Wait for thread completion
for (i = 0; i < nb_threads; i++) {
if (pthread_join(threads[i], NULL) != 0) {
fprintf(stderr, "Error waiting for thread completion\n");
exit(1);
}
}
duration = (end.tv_sec * 1000 + end.tv_usec / 1000) - (start.tv_sec * 1000 + start.tv_usec / 1000);
aborts = 0;
aborts_locked_read = 0;
aborts_locked_write = 0;
aborts_validate_read = 0;
aborts_validate_write = 0;
aborts_validate_commit = 0;
aborts_invalid_memory = 0;
aborts_double_write = 0;
failures_because_contention = 0;
reads = 0;
effreads = 0;
updates = 0;
effupds = 0;
moves = 0;
snapshots = 0;
max_retries = 0;
for (i = 0; i < nb_threads; i++) {
printf("Thread %d\n", i);
printf(" #add : %lu\n", data[i].nb_add);
printf(" #added : %lu\n", data[i].nb_added);
printf(" #remove : %lu\n", data[i].nb_remove);
printf(" #removed : %lu\n", data[i].nb_removed);
printf(" #contains : %lu\n", data[i].nb_contains);
printf(" #found : %lu\n", data[i].nb_found);
printf(" #move : %lu\n", data[i].nb_move);
printf(" #moved : %lu\n", data[i].nb_moved);
printf(" #snapshot : %lu\n", data[i].nb_snapshot);
printf(" #snapshoted : %lu\n", data[i].nb_snapshoted);
printf(" #aborts : %lu\n", data[i].nb_aborts);
printf(" #lock-r : %lu\n", data[i].nb_aborts_locked_read);
printf(" #lock-w : %lu\n", data[i].nb_aborts_locked_write);
printf(" #val-r : %lu\n", data[i].nb_aborts_validate_read);
printf(" #val-w : %lu\n", data[i].nb_aborts_validate_write);
printf(" #val-c : %lu\n", data[i].nb_aborts_validate_commit);
printf(" #inv-mem : %lu\n", data[i].nb_aborts_invalid_memory);
printf(" #dup-w : %lu\n", data[i].nb_aborts_double_write);
printf(" #failures : %lu\n", data[i].failures_because_contention);
printf(" Max retries : %lu\n", data[i].max_retries);
aborts += data[i].nb_aborts;
aborts_locked_read += data[i].nb_aborts_locked_read;
aborts_locked_write += data[i].nb_aborts_locked_write;
aborts_validate_read += data[i].nb_aborts_validate_read;
aborts_validate_write += data[i].nb_aborts_validate_write;
aborts_validate_commit += data[i].nb_aborts_validate_commit;
aborts_invalid_memory += data[i].nb_aborts_invalid_memory;
aborts_double_write += data[i].nb_aborts_double_write;
failures_because_contention += data[i].failures_because_contention;
reads += (data[i].nb_contains + data[i].nb_snapshot);
effreads += data[i].nb_contains +
(data[i].nb_add - data[i].nb_added) +
(data[i].nb_remove - data[i].nb_removed) +
(data[i].nb_move - data[i].nb_moved) +
data[i].nb_snapshoted;
updates += (data[i].nb_add + data[i].nb_remove + data[i].nb_move);
effupds += data[i].nb_removed + data[i].nb_added + data[i].nb_moved;
moves += data[i].nb_move;
snapshots += data[i].nb_snapshot;
size += data[i].nb_added - data[i].nb_removed;
if (max_retries < data[i].max_retries)
max_retries = data[i].max_retries;
}
printf("Set size : %d (expected: %d)\n", ht_size(set), size);
printf("Duration : %d (ms)\n", duration);
printf("#txs : %lu (%f / s)\n", reads + updates + moves + snapshots, (reads + updates + moves + snapshots) * 1000.0 / duration);
printf("#read txs : ");
if (effective) {
printf("%lu (%f / s)\n", effreads, effreads * 1000.0 / duration);
printf(" #cont/snpsht: %lu (%f / s)\n", reads, reads * 1000.0 / duration);
} else printf("%lu (%f / s)\n", reads, reads * 1000.0 / duration);
printf("#eff. upd rate: %f \n", 100.0 * effupds / (effupds + effreads));
printf("#update txs : ");
if (effective) {
printf("%lu (%f / s)\n", effupds, effupds * 1000.0 / duration);
printf(" #upd trials : %lu (%f / s)\n", updates, updates * 1000.0 /
duration);
} else printf("%lu (%f / s)\n", updates, updates * 1000.0 / duration);
printf("#move txs : %lu (%f / s)\n", moves, moves * 1000.0 / duration);
printf("#snapshot txs : %lu (%f / s)\n", snapshots, snapshots * 1000.0 / duration);
printf("#aborts : %lu (%f / s)\n", aborts, aborts * 1000.0 / duration);
printf(" #lock-r : %lu (%f / s)\n", aborts_locked_read, aborts_locked_read * 1000.0 / duration);
printf(" #lock-w : %lu (%f / s)\n", aborts_locked_write, aborts_locked_write * 1000.0 / duration);
printf(" #val-r : %lu (%f / s)\n", aborts_validate_read, aborts_validate_read * 1000.0 / duration);
printf(" #val-w : %lu (%f / s)\n", aborts_validate_write, aborts_validate_write * 1000.0 / duration);
printf(" #val-c : %lu (%f / s)\n", aborts_validate_commit, aborts_validate_commit * 1000.0 / duration);
printf(" #inv-mem : %lu (%f / s)\n", aborts_invalid_memory, aborts_invalid_memory * 1000.0 / duration);
printf(" #dup-w : %lu (%f / s)\n", aborts_double_write, aborts_double_write * 1000.0 / duration);
printf(" #failures : %lu\n", failures_because_contention);
printf("Max retries : %lu\n", max_retries);
// Delete set
ht_delete(set);
// Cleanup STM
TM_SHUTDOWN();
free(threads);
free(data);
return 0;
}
int main(int argc, char **argv)
{
struct option long_options[] = {
// These options don't set a flag
{"help", no_argument, NULL, 'h'},
{"duration", required_argument, NULL, 'd'},
{"initial-size", required_argument, NULL, 'i'},
{"thread-num", required_argument, NULL, 't'},
{"range", required_argument, NULL, 'r'},
{"seed", required_argument, NULL, 'S'},
{"update-rate", required_argument, NULL, 'u'},
{"elasticity", required_argument, NULL, 'x'},
{NULL, 0, NULL, 0}
};
avl_intset_t *set;
int i, j, c, size, tree_size;
val_t last = 0;
val_t val = 0;
unsigned long reads, effreads, updates, effupds, aborts, aborts_locked_read, aborts_locked_write,
aborts_validate_read, aborts_validate_write, aborts_validate_commit,
aborts_invalid_memory, aborts_double_write, max_retries, failures_because_contention;
thread_data_t *data;
maintenance_thread_data_t *maintenance_data;
pthread_t *threads;
pthread_t *maintenance_threads;
pthread_attr_t attr;
barrier_t barrier;
struct timeval start, end;
struct timespec timeout;
int duration = DEFAULT_DURATION;
int initial = DEFAULT_INITIAL;
int nb_threads = DEFAULT_NB_THREADS;
int nb_maintenance_threads = DEFAULT_NB_MAINTENANCE_THREADS;
long range = DEFAULT_RANGE;
int seed = DEFAULT_SEED;
int update = DEFAULT_UPDATE;
int unit_tx = DEFAULT_ELASTICITY;
int alternate = DEFAULT_ALTERNATE;
int effective = DEFAULT_EFFECTIVE;
sigset_t block_set;
while(1) {
i = 0;
c = getopt_long(argc, argv, "hAf:d:i:t:r:S:u:x:"
, long_options, &i);
if(c == -1)
break;
if(c == 0 && long_options[i].flag == 0)
c = long_options[i].val;
switch(c) {
case 0:
break;
case 'h':
printf("intset -- STM stress test "
"(avltree)\n"
"\n"
"Usage:\n"
" intset [options...]\n"
"\n"
"Options:\n"
" -h, --help\n"
" Print this message\n"
" -A, --Alternate\n"
" Consecutive insert/remove target the same value\n"
" -f, --effective <int>\n"
" update txs must effectively write (0=trial, 1=effective, default=" XSTR(DEFAULT_EFFECTIVE) ")\n"
" -d, --duration <int>\n"
" Test duration in milliseconds (0=infinite, default=" XSTR(DEFAULT_DURATION) ")\n"
" -i, --initial-size <int>\n"
" Number of elements to insert before test (default=" XSTR(DEFAULT_INITIAL) ")\n"
" -t, --thread-num <int>\n"
" Number of threads (default=" XSTR(DEFAULT_NB_THREADS) ")\n"
" -r, --range <int>\n"
" Range of integer values inserted in set (default=" XSTR(DEFAULT_RANGE) ")\n"
" -S, --seed <int>\n"
" RNG seed (0=time-based, default=" XSTR(DEFAULT_SEED) ")\n"
" -u, --update-rate <int>\n"
" Percentage of update transactions (default=" XSTR(DEFAULT_UPDATE) ")\n"
" -x, --elasticity (default=4)\n"
" Use elastic transactions\n"
" 0 = non-protected,\n"
" 1 = normal transaction,\n"
" 2 = read elastic-tx,\n"
" 3 = read/add elastic-tx,\n"
" 4 = read/add/rem elastic-tx,\n"
" 5 = fraser lock-free\n"
);
exit(0);
case 'A':
alternate = 1;
break;
case 'f':
effective = atoi(optarg);
break;
case 'd':
duration = atoi(optarg);
break;
case 'i':
initial = atoi(optarg);
break;
case 't':
nb_threads = atoi(optarg);
break;
case 'r':
range = atol(optarg);
break;
case 'S':
seed = atoi(optarg);
break;
case 'u':
update = atoi(optarg);
break;
case 'x':
unit_tx = atoi(optarg);
break;
case '?':
printf("Use -h or --help for help\n");
exit(0);
default:
exit(1);
}
}
assert(duration >= 0);
assert(initial >= 0);
assert(nb_threads > 0);
assert(range > 0 && range >= initial);
assert(update >= 0 && update <= 100);
printf("Set type : avltree\n");
printf("Duration : %d\n", duration);
printf("Initial size : %u\n", initial);
printf("Nb threads : %d\n", nb_threads);
printf("Nb mt threads: %d\n", nb_maintenance_threads);
printf("Value range : %ld\n", range);
printf("Seed : %d\n", seed);
printf("Update rate : %d\n", update);
printf("Elasticity : %d\n", unit_tx);
printf("Alternate : %d\n", alternate);
printf("Efffective : %d\n", effective);
printf("Type sizes : int=%d/long=%d/ptr=%d/word=%d\n",
(int)sizeof(int),
(int)sizeof(long),
(int)sizeof(void *),
(int)sizeof(uintptr_t));
timeout.tv_sec = duration / 1000;
timeout.tv_nsec = (duration % 1000) * 1000000;
if ((data = (thread_data_t *)malloc(nb_threads * sizeof(thread_data_t))) == NULL) {
perror("malloc");
exit(1);
}
if ((threads = (pthread_t *)malloc(nb_threads * sizeof(pthread_t))) == NULL) {
perror("malloc");
exit(1);
}
if ((maintenance_data = (maintenance_thread_data_t *)malloc(nb_maintenance_threads * sizeof(maintenance_thread_data_t))) == NULL) {
perror("malloc");
exit(1);
}
if ((maintenance_threads = (pthread_t *)malloc(nb_maintenance_threads * sizeof(pthread_t))) == NULL) {
perror("malloc");
exit(1);
}
if (seed == 0)
srand((int)time(0));
else
srand(seed);
//levelmax = floor_log_2((unsigned int) initial);
//set = avl_set_new();
set = avl_set_new_alloc(0, nb_threads);
//set->stop = &stop;
//#endif
stop = 0;
global_seed = rand();
#ifdef TLS
rng_seed = &global_seed;
#else /* ! TLS */
if (pthread_key_create(&rng_seed_key, NULL) != 0) {
fprintf(stderr, "Error creating thread local\n");
exit(1);
}
pthread_setspecific(rng_seed_key, &global_seed);
#endif /* ! TLS */
// Init STM
printf("Initializing STM\n");
TM_STARTUP();
// Populate set
printf("Adding %d entries to set\n", initial);
i = 0;
while (i < initial) {
val = rand_range_re(&global_seed, range);
//printf("Adding %d\n", val);
if (avl_add(set, val, 0, 0) > 0) {
//printf("Added %d\n", val);
//print_avltree(set);
last = val;
i++;
}
}
size = avl_set_size(set);
tree_size = avl_tree_size(set);
printf("Set size : %d\n", size);
printf("Tree size : %d\n", tree_size);
//printf("Level max : %d\n", levelmax);
// Access set from all threads
barrier_init(&barrier, nb_threads + nb_maintenance_threads + 1);
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
for (i = 0; i < nb_threads; i++) {
printf("Creating thread %d\n", i);
data[i].id = i;
data[i].first = last;
data[i].range = range;
data[i].update = update;
data[i].unit_tx = unit_tx;
data[i].alternate = alternate;
data[i].effective = effective;
data[i].nb_modifications = 0;
data[i].nb_add = 0;
data[i].nb_added = 0;
data[i].nb_remove = 0;
data[i].nb_removed = 0;
data[i].nb_contains = 0;
data[i].nb_found = 0;
data[i].nb_aborts = 0;
data[i].nb_aborts_locked_read = 0;
data[i].nb_aborts_locked_write = 0;
data[i].nb_aborts_validate_read = 0;
data[i].nb_aborts_validate_write = 0;
data[i].nb_aborts_validate_commit = 0;
data[i].nb_aborts_invalid_memory = 0;
data[i].nb_aborts_double_write = 0;
data[i].max_retries = 0;
data[i].seed = rand();
data[i].set = set;
data[i].barrier = &barrier;
data[i].failures_because_contention = 0;
if (pthread_create(&threads[i], &attr, test, (void *)(&data[i])) != 0) {
fprintf(stderr, "Error creating thread\n");
exit(1);
}
}
for (i = 0; i < nb_maintenance_threads; i++) {
maintenance_data[i].nb_maint = nb_maintenance_threads;
maintenance_data[i].id = i;
maintenance_data[i].nb_removed = 0;
maintenance_data[i].nb_rotated = 0;
maintenance_data[i].nb_suc_rotated = 0;
maintenance_data[i].nb_propagated = 0;
maintenance_data[i].nb_suc_propagated = 0;
maintenance_data[i].nb_aborts = 0;
maintenance_data[i].nb_aborts_locked_read = 0;
maintenance_data[i].nb_aborts_locked_write = 0;
maintenance_data[i].nb_aborts_validate_read = 0;
maintenance_data[i].nb_aborts_validate_write = 0;
maintenance_data[i].nb_aborts_validate_commit = 0;
maintenance_data[i].nb_aborts_invalid_memory = 0;
maintenance_data[i].nb_aborts_double_write = 0;
maintenance_data[i].max_retries = 0;
maintenance_data[i].t_data = data;
maintenance_data[i].nb_threads = nb_threads;
maintenance_data[i].set = set;
maintenance_data[i].barrier = &barrier;
if ((maintenance_data[i].t_nb_trans = (unsigned long *)malloc(nb_threads * sizeof(unsigned long))) == NULL) {
perror("malloc");
exit(1);
}
for(j = 0; j < nb_threads; j++) {
maintenance_data[i].t_nb_trans[j] = 0;
}
if ((maintenance_data[i].t_nb_trans_old = (unsigned long *)malloc(nb_threads * sizeof(unsigned long))) == NULL) {
perror("malloc");
exit(1);
}
for(j = 0; j < nb_threads; j++) {
maintenance_data[i].t_nb_trans_old[j] = 0;
}
printf("Creating maintenance thread %d\n", i);
if (pthread_create(&maintenance_threads[i], &attr, test_maintenance, (void *)(&maintenance_data[i])) != 0) {
fprintf(stderr, "Error creating thread\n");
exit(1);
}
}
pthread_attr_destroy(&attr);
// Catch some signals
if (signal(SIGHUP, catcher) == SIG_ERR ||
//signal(SIGINT, catcher) == SIG_ERR ||
signal(SIGTERM, catcher) == SIG_ERR) {
perror("signal");
exit(1);
}
// Start threads
barrier_cross(&barrier);
printf("STARTING...\n");
gettimeofday(&start, NULL);
if (duration > 0) {
nanosleep(&timeout, NULL);
} else {
sigemptyset(&block_set);
sigsuspend(&block_set);
}
#ifdef ICC
stop = 1;
#else
AO_store_full(&stop, 1);
#endif /* ICC */
gettimeofday(&end, NULL);
printf("STOPPING...\n");
// Wait for thread completion
for (i = 0; i < nb_threads; i++) {
if (pthread_join(threads[i], NULL) != 0) {
fprintf(stderr, "Error waiting for thread completion\n");
exit(1);
}
}
// Wait for maintenance thread completion
for (i = 0; i < nb_maintenance_threads; i++) {
if (pthread_join(maintenance_threads[i], NULL) != 0) {
fprintf(stderr, "Error waiting for maintenance thread completion\n");
exit(1);
}
}
duration = (end.tv_sec * 1000 + end.tv_usec / 1000) - (start.tv_sec * 1000 + start.tv_usec / 1000);
aborts = 0;
aborts_locked_read = 0;
aborts_locked_write = 0;
aborts_validate_read = 0;
aborts_validate_write = 0;
aborts_validate_commit = 0;
aborts_invalid_memory = 0;
aborts_double_write = 0;
failures_because_contention = 0;
reads = 0;
effreads = 0;
updates = 0;
effupds = 0;
max_retries = 0;
for (i = 0; i < nb_threads; i++) {
printf("Thread %d\n", i);
printf(" #add : %lu\n", data[i].nb_add);
printf(" #added : %lu\n", data[i].nb_added);
printf(" #remove : %lu\n", data[i].nb_remove);
printf(" #removed : %lu\n", data[i].nb_removed);
printf(" #contains : %lu\n", data[i].nb_contains);
printf(" #found : %lu\n", data[i].nb_found);
printf(" #aborts : %lu\n", data[i].nb_aborts);
printf(" #lock-r : %lu\n", data[i].nb_aborts_locked_read);
printf(" #lock-w : %lu\n", data[i].nb_aborts_locked_write);
printf(" #val-r : %lu\n", data[i].nb_aborts_validate_read);
printf(" #val-w : %lu\n", data[i].nb_aborts_validate_write);
printf(" #val-c : %lu\n", data[i].nb_aborts_validate_commit);
printf(" #inv-mem : %lu\n", data[i].nb_aborts_invalid_memory);
printf(" #dup-w : %lu\n", data[i].nb_aborts_double_write);
printf(" #failures : %lu\n", data[i].failures_because_contention);
printf(" Max retries : %lu\n", data[i].max_retries);
printf(" #set read trans reads: %lu\n", data[i].set_read_reads);
printf(" #set write trans reads: %lu\n", data[i].set_write_reads);
printf(" #set write trans writes: %lu\n", data[i].set_write_writes);
printf(" #set trans reads: %lu\n", data[i].set_reads);
printf(" #set trans writes: %lu\n", data[i].set_writes);
printf(" set max reads: %lu\n", data[i].set_max_reads);
printf(" set max writes: %lu\n", data[i].set_max_writes);
printf(" #read trans reads: %lu\n", data[i].read_reads);
printf(" #write trans reads: %lu\n", data[i].write_reads);
printf(" #write trans writes: %lu\n", data[i].write_writes);
printf(" #trans reads: %lu\n", data[i].reads);
printf(" #trans writes: %lu\n", data[i].writes);
printf(" max reads: %lu\n", data[i].max_reads);
printf(" max writes: %lu\n", data[i].max_writes);
aborts += data[i].nb_aborts;
aborts_locked_read += data[i].nb_aborts_locked_read;
aborts_locked_write += data[i].nb_aborts_locked_write;
aborts_validate_read += data[i].nb_aborts_validate_read;
aborts_validate_write += data[i].nb_aborts_validate_write;
aborts_validate_commit += data[i].nb_aborts_validate_commit;
aborts_invalid_memory += data[i].nb_aborts_invalid_memory;
aborts_double_write += data[i].nb_aborts_double_write;
failures_because_contention += data[i].failures_because_contention;
reads += data[i].nb_contains;
effreads += data[i].nb_contains +
(data[i].nb_add - data[i].nb_added) +
(data[i].nb_remove - data[i].nb_removed);
updates += (data[i].nb_add + data[i].nb_remove);
effupds += data[i].nb_removed + data[i].nb_added;
size += data[i].nb_added - data[i].nb_removed;
if (max_retries < data[i].max_retries)
max_retries = data[i].max_retries;
}
for (i = 0; i < nb_maintenance_threads; i++) {
printf("Maintenance thread %d\n", i);
printf(" #removed %lu\n", set->nb_removed);
printf(" #rotated %lu\n", set->nb_rotated);
printf(" #rotated sucs %lu\n", set->nb_suc_rotated);
printf(" #propogated %lu\n", set->nb_propogated);
printf(" #propogated sucs %lu\n", set->nb_suc_propogated);
printf(" #aborts : %lu\n", maintenance_data[i].nb_aborts);
printf(" #lock-r : %lu\n", maintenance_data[i].nb_aborts_locked_read);
printf(" #lock-w : %lu\n", maintenance_data[i].nb_aborts_locked_write);
printf(" #val-r : %lu\n", maintenance_data[i].nb_aborts_validate_read);
printf(" #val-w : %lu\n", maintenance_data[i].nb_aborts_validate_write);
printf(" #val-c : %lu\n", maintenance_data[i].nb_aborts_validate_commit);
printf(" #inv-mem : %lu\n", maintenance_data[i].nb_aborts_invalid_memory);
printf(" #dup-w : %lu\n", maintenance_data[i].nb_aborts_double_write);
//printf(" #failures : %lu\n", maintenance_data[i].failures_because_contention);
printf(" Max retries : %lu\n", maintenance_data[i].max_retries);
}
printf("Set size : %d (expected: %d)\n", avl_set_size(set), size);
printf("Tree size : %d\n", avl_tree_size(set));
printf("Duration : %d (ms)\n", duration);
printf("#txs : %lu (%f / s)\n", reads + updates, (reads + updates) * 1000.0 / duration);
printf("#read txs : ");
if (effective) {
printf("%lu (%f / s)\n", effreads, effreads * 1000.0 / duration);
printf(" #contains : %lu (%f / s)\n", reads, reads * 1000.0 / duration);
} else printf("%lu (%f / s)\n", reads, reads * 1000.0 / duration);
printf("#eff. upd rate: %f \n", 100.0 * effupds / (effupds + effreads));
printf("#update txs : ");
if (effective) {
printf("%lu (%f / s)\n", effupds, effupds * 1000.0 / duration);
printf(" #upd trials : %lu (%f / s)\n", updates, updates * 1000.0 /
duration);
} else printf("%lu (%f / s)\n", updates, updates * 1000.0 / duration);
printf("#aborts : %lu (%f / s)\n", aborts, aborts * 1000.0 / duration);
printf(" #lock-r : %lu (%f / s)\n", aborts_locked_read, aborts_locked_read * 1000.0 / duration);
printf(" #lock-w : %lu (%f / s)\n", aborts_locked_write, aborts_locked_write * 1000.0 / duration);
printf(" #val-r : %lu (%f / s)\n", aborts_validate_read, aborts_validate_read * 1000.0 / duration);
printf(" #val-w : %lu (%f / s)\n", aborts_validate_write, aborts_validate_write * 1000.0 / duration);
printf(" #val-c : %lu (%f / s)\n", aborts_validate_commit, aborts_validate_commit * 1000.0 / duration);
printf(" #inv-mem : %lu (%f / s)\n", aborts_invalid_memory, aborts_invalid_memory * 1000.0 / duration);
printf(" #dup-w : %lu (%f / s)\n", aborts_double_write, aborts_double_write * 1000.0 / duration);
printf(" #failures : %lu\n", failures_because_contention);
printf("Max retries : %lu\n", max_retries);
//print_avltree(set);
// Delete set
avl_set_delete(set);
// Cleanup STM
TM_SHUTDOWN();
#ifndef TLS
pthread_key_delete(rng_seed_key);
#endif /* ! TLS */
free(threads);
free(data);
free(maintenance_threads);
free(maintenance_data);
return 0;
}
int main(int argc, char **argv)
{
struct option long_options[] = {
// These options don't set a flag
{"help", no_argument, NULL, 'h'},
{"duration", required_argument, NULL, 'd'},
{"initial-size", required_argument, NULL, 'i'},
{"thread-num", required_argument, NULL, 't'},
{"range", required_argument, NULL, 'r'},
{"seed", required_argument, NULL, 'S'},
{"update-rate", required_argument, NULL, 'u'},
{"unit-tx", required_argument, NULL, 'x'},
{NULL, 0, NULL, 0}
};
intset_l_t *set;
int i, c, size;
val_t last = 0;
val_t val = 0;
unsigned long reads, effreads, updates, effupds, aborts, aborts_locked_read, aborts_locked_write,
aborts_validate_read, aborts_validate_write, aborts_validate_commit,
aborts_invalid_memory, max_retries;
thread_data_t *data;
pthread_t *threads;
pthread_attr_t attr;
barrier_t barrier;
struct timeval start, end;
struct timespec timeout;
int duration = DEFAULT_DURATION;
int initial = DEFAULT_INITIAL;
int nb_threads = DEFAULT_NB_THREADS;
long range = DEFAULT_RANGE;
int seed = DEFAULT_SEED;
int update = DEFAULT_UPDATE;
int unit_tx = DEFAULT_LOCKTYPE;
int alternate = DEFAULT_ALTERNATE;
int effective = DEFAULT_EFFECTIVE;
sigset_t block_set;
while(1) {
i = 0;
c = getopt_long(argc, argv, "hAf:d:i:t:r:S:u:x:", long_options, &i);
if(c == -1)
break;
if(c == 0 && long_options[i].flag == 0)
c = long_options[i].val;
switch(c) {
case 0:
/* Flag is automatically set */
break;
case 'h':
printf("intset -- STM stress test "
"(linked list)\n"
"\n"
"Usage:\n"
" intset [options...]\n"
"\n"
"Options:\n"
" -h, --help\n"
" Print this message\n"
" -A, --alternate (default="XSTR(DEFAULT_ALTERNATE)")\n"
" Consecutive insert/remove target the same value\n"
" -f, --effective <int>\n"
" update txs must effectively write (0=trial, 1=effective, default=" XSTR(DEFAULT_EFFECTIVE) ")\n"
" -d, --duration <int>\n"
" Test duration in milliseconds (0=infinite, default=" XSTR(DEFAULT_DURATION) ")\n"
" -i, --initial-size <int>\n"
" Number of elements to insert before test (default=" XSTR(DEFAULT_INITIAL) ")\n"
" -t, --thread-num <int>\n"
" Number of threads (default=" XSTR(DEFAULT_NB_THREADS) ")\n"
" -r, --range <int>\n"
" Range of integer values inserted in set (default=" XSTR(DEFAULT_RANGE) ")\n"
" -S, --seed <int>\n"
" RNG seed (0=time-based, default=" XSTR(DEFAULT_SEED) ")\n"
" -u, --update-rate <int>\n"
" Percentage of update transactions (default=" XSTR(DEFAULT_UPDATE) ")\n"
" -x, --lock-based algorithm (default=1)\n"
" Use lock-based algorithm\n"
" 1 = lock-coupling,\n"
" 2 = lazy algorithm\n"
);
exit(0);
case 'A':
alternate = 1;
break;
case 'f':
effective = atoi(optarg);
break;
case 'd':
duration = atoi(optarg);
break;
case 'i':
initial = atoi(optarg);
break;
case 't':
nb_threads = atoi(optarg);
break;
case 'r':
range = atol(optarg);
break;
case 'S':
seed = atoi(optarg);
break;
case 'u':
update = atoi(optarg);
break;
case 'x':
printf("The parameter x is not valid for this benchmark.\n");
exit(0);
case 'a':
printf("The parameter a is not valid for this benchmark.\n");
exit(0);
case 's':
printf("The parameter s is not valid for this benchmark.\n");
exit(0);
case '?':
printf("Use -h or --help for help.\n");
exit(0);
default:
exit(1);
}
}
assert(duration >= 0);
assert(initial >= 0);
assert(nb_threads > 0);
assert(range > 0 && range >= initial);
assert(update >= 0 && update <= 100);
printf("Set type : lazy linked list\n");
printf("Length : %d\n", duration);
printf("Initial size : %d\n", initial);
printf("Thread num : %d\n", nb_threads);
printf("Value range : %ld\n", range);
printf("Seed : %d\n", seed);
printf("Update rate : %d\n", update);
printf("Lock alg : %d\n", unit_tx);
printf("Alternate : %d\n", alternate);
printf("Effective : %d\n", effective);
printf("Type sizes : int=%d/long=%d/ptr=%d/word=%d\n",
(int)sizeof(int),
(int)sizeof(long),
(int)sizeof(void *),
(int)sizeof(uintptr_t));
timeout.tv_sec = duration / 1000;
timeout.tv_nsec = (duration % 1000) * 1000000;
if ((data = (thread_data_t *)malloc(nb_threads * sizeof(thread_data_t))) == NULL) {
perror("malloc");
exit(1);
}
if ((threads = (pthread_t *)malloc(nb_threads * sizeof(pthread_t))) == NULL) {
perror("malloc");
exit(1);
}
if (seed == 0)
srand((int)time(0));
else
srand(seed);
set = set_new_l();
stop = 0;
/* Init STM */
printf("Initializing STM\n");
/* Populate set */
printf("Adding %d entries to set\n", initial);
i = 0;
while (i < initial) {
val = (rand() % range) + 1;
if (set_add_l(set, val, 0)) {
last = val;
i++;
}
}
size = set_size_l(set);
printf("Set size : %d\n", size);
/* Access set from all threads */
barrier_init(&barrier, nb_threads + 1);
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
for (i = 0; i < nb_threads; i++) {
printf("Creating thread %d\n", i);
data[i].first = last;
data[i].range = range;
data[i].update = update;
data[i].alternate = alternate;
data[i].unit_tx = unit_tx;
data[i].alternate = alternate;
data[i].effective = effective;
data[i].nb_add = 0;
data[i].nb_added = 0;
data[i].nb_remove = 0;
data[i].nb_removed = 0;
data[i].nb_contains = 0;
data[i].nb_found = 0;
data[i].nb_aborts = 0;
data[i].nb_aborts_locked_read = 0;
data[i].nb_aborts_locked_write = 0;
data[i].nb_aborts_validate_read = 0;
data[i].nb_aborts_validate_write = 0;
data[i].nb_aborts_validate_commit = 0;
data[i].nb_aborts_invalid_memory = 0;
data[i].max_retries = 0;
data[i].seed = rand();
data[i].set = set;
data[i].barrier = &barrier;
if (pthread_create(&threads[i], &attr, test, (void *)(&data[i])) != 0) {
fprintf(stderr, "Error creating thread\n");
exit(1);
}
}
pthread_attr_destroy(&attr);
/* Start threads */
barrier_cross(&barrier);
printf("STARTING...\n");
gettimeofday(&start, NULL);
if (duration > 0) {
nanosleep(&timeout, NULL);
} else {
sigemptyset(&block_set);
sigsuspend(&block_set);
}
AO_store_full(&stop, 1);
gettimeofday(&end, NULL);
printf("STOPPING...\n");
/* Wait for thread completion */
for (i = 0; i < nb_threads; i++) {
if (pthread_join(threads[i], NULL) != 0) {
fprintf(stderr, "Error waiting for thread completion\n");
exit(1);
}
}
duration = (end.tv_sec * 1000 + end.tv_usec / 1000) - (start.tv_sec * 1000 + start.tv_usec / 1000);
aborts = 0;
aborts_locked_read = 0;
aborts_locked_write = 0;
aborts_validate_read = 0;
aborts_validate_write = 0;
aborts_validate_commit = 0;
aborts_invalid_memory = 0;
reads = 0;
effreads = 0;
updates = 0;
effupds = 0;
max_retries = 0;
for (i = 0; i < nb_threads; i++) {
printf("Thread %d\n", i);
printf(" #add : %lu\n", data[i].nb_add);
printf(" #added : %lu\n", data[i].nb_added);
printf(" #remove : %lu\n", data[i].nb_remove);
printf(" #removed : %lu\n", data[i].nb_removed);
printf(" #contains : %lu\n", data[i].nb_contains);
printf(" #found : %lu\n", data[i].nb_found);
printf(" #aborts : %lu\n", data[i].nb_aborts);
printf(" #lock-r : %lu\n", data[i].nb_aborts_locked_read);
printf(" #lock-w : %lu\n", data[i].nb_aborts_locked_write);
printf(" #val-r : %lu\n", data[i].nb_aborts_validate_read);
printf(" #val-w : %lu\n", data[i].nb_aborts_validate_write);
printf(" #val-c : %lu\n", data[i].nb_aborts_validate_commit);
printf(" #inv-mem : %lu\n", data[i].nb_aborts_invalid_memory);
printf(" Max retries : %lu\n", data[i].max_retries);
aborts += data[i].nb_aborts;
aborts_locked_read += data[i].nb_aborts_locked_read;
aborts_locked_write += data[i].nb_aborts_locked_write;
aborts_validate_read += data[i].nb_aborts_validate_read;
aborts_validate_write += data[i].nb_aborts_validate_write;
aborts_validate_commit += data[i].nb_aborts_validate_commit;
aborts_invalid_memory += data[i].nb_aborts_invalid_memory;
reads += data[i].nb_contains;
effreads += data[i].nb_contains +
(data[i].nb_add - data[i].nb_added) +
(data[i].nb_remove - data[i].nb_removed);
updates += (data[i].nb_add + data[i].nb_remove);
effupds += data[i].nb_removed + data[i].nb_added;
//size += data[i].diff;
size += data[i].nb_added - data[i].nb_removed;
if (max_retries < data[i].max_retries)
max_retries = data[i].max_retries;
}
printf("Set size : %d (expected: %d)\n", set_size_l(set), size);
printf("Duration : %d (ms)\n", duration);
printf("#txs : %lu (%f / s)\n", reads + updates, (reads + updates) * 1000.0 / duration);
printf("#read txs : ");
if (effective) {
printf("%lu (%f / s)\n", effreads, effreads * 1000.0 / duration);
printf(" #contains : %lu (%f / s)\n", reads, reads * 1000.0 / duration);
} else printf("%lu (%f / s)\n", reads, reads * 1000.0 / duration);
printf("#eff. upd rate: %f \n", 100.0 * effupds / (effupds + effreads));
printf("#update txs : ");
if (effective) {
printf("%lu (%f / s)\n", effupds, effupds * 1000.0 / duration);
printf(" #upd trials : %lu (%f / s)\n", updates, updates * 1000.0 /
duration);
} else printf("%lu (%f / s)\n", updates, updates * 1000.0 / duration);
printf("#aborts : %lu (%f / s)\n", aborts, aborts * 1000.0 / duration);
printf(" #lock-r : %lu (%f / s)\n", aborts_locked_read, aborts_locked_read * 1000.0 / duration);
printf(" #lock-w : %lu (%f / s)\n", aborts_locked_write, aborts_locked_write * 1000.0 / duration);
printf(" #val-r : %lu (%f / s)\n", aborts_validate_read, aborts_validate_read * 1000.0 / duration);
printf(" #val-w : %lu (%f / s)\n", aborts_validate_write, aborts_validate_write * 1000.0 / duration);
printf(" #val-c : %lu (%f / s)\n", aborts_validate_commit, aborts_validate_commit * 1000.0 / duration);
printf(" #inv-mem : %lu (%f / s)\n", aborts_invalid_memory, aborts_invalid_memory * 1000.0 / duration);
printf("Max retries : %lu\n", max_retries);
/* Delete set */
set_delete_l(set);
free(threads);
free(data);
return 0;
}
