static void
fq_client_signal(fq_client conn, cmd_instr *e) {
fq_conn_s *conn_s = conn;
ck_fifo_mpmc_entry_t *fifo_entry;
fifo_entry = malloc(sizeof(ck_fifo_mpmc_entry_t));
ck_fifo_mpmc_enqueue(&conn_s->cmdq, fifo_entry, e);
}
static void
fq_client_read_complete(void *closure, fq_msg *msg) {
ck_fifo_mpmc_entry_t *fifo_entry;
fq_conn_s *conn_s = (fq_conn_s *)closure;
fifo_entry = malloc(sizeof(ck_fifo_mpmc_entry_t));
ck_fifo_mpmc_enqueue(&conn_s->backq, fifo_entry, msg);
}
static void *
test(void *c)
{
#ifdef CK_F_FIFO_MPMC
struct context *context = c;
struct entry *entry;
ck_fifo_mpmc_entry_t *fifo_entry, *garbage;
int i, j;
if (aff_iterate(&a)) {
perror("ERROR: Could not affine thread");
exit(EXIT_FAILURE);
}
ck_pr_inc_uint(&barrier);
while (ck_pr_load_uint(&barrier) < (unsigned int)nthr);
for (i = 0; i < ITERATIONS; i++) {
for (j = 0; j < size; j++) {
fifo_entry = malloc(sizeof(ck_fifo_mpmc_entry_t));
entry = malloc(sizeof(struct entry));
entry->tid = context->tid;
ck_fifo_mpmc_enqueue(&fifo, fifo_entry, entry);
if (ck_fifo_mpmc_dequeue(&fifo, &entry, &garbage) == false) {
fprintf(stderr, "ERROR [%u] Queue should never be empty.\n", context->tid);
exit(EXIT_FAILURE);
}
if (entry->tid < 0 || entry->tid >= nthr) {
fprintf(stderr, "ERROR [%u] Incorrect value in entry.\n", entry->tid);
exit(EXIT_FAILURE);
}
}
}
for (i = 0; i < ITERATIONS; i++) {
for (j = 0; j < size; j++) {
fifo_entry = malloc(sizeof(ck_fifo_mpmc_entry_t));
entry = malloc(sizeof(struct entry));
entry->tid = context->tid;
while (ck_fifo_mpmc_tryenqueue(&fifo, fifo_entry, entry) == false)
ck_pr_stall();
while (ck_fifo_mpmc_trydequeue(&fifo, &entry, &garbage) == false)
ck_pr_stall();
if (entry->tid < 0 || entry->tid >= nthr) {
fprintf(stderr, "ERROR [%u] Incorrect value in entry when using try interface.\n", entry->tid);
exit(EXIT_FAILURE);
}
}
}
#endif
return (NULL);
}
void
fq_client_publish(fq_client conn, fq_msg *msg) {
fq_conn_s *conn_s = conn;
ck_fifo_mpmc_entry_t *fifo_entry;
while(conn_s->qlen > conn_s->qmaxlen) {
if(conn_s->q_stall_time > 0) usleep(conn_s->q_stall_time);
else ck_pr_stall();
}
fifo_entry = malloc(sizeof(ck_fifo_mpmc_entry_t));
fq_msg_ref(msg);
ck_fifo_mpmc_enqueue(&conn_s->q, fifo_entry, msg);
ck_pr_inc_uint(&conn_s->qlen);
}
int
main(void)
{
ck_spinlock_fas_t mutex = CK_SPINLOCK_FAS_INITIALIZER;
void *r;
uint64_t s, e, a;
unsigned int i;
unsigned int j;
#if defined(CK_F_FIFO_SPSC)
ck_fifo_spsc_t spsc_fifo;
ck_fifo_spsc_entry_t spsc_entry[ENTRIES];
ck_fifo_spsc_entry_t spsc_stub;
#endif
#if defined(CK_F_FIFO_MPMC)
ck_fifo_mpmc_t mpmc_fifo;
ck_fifo_mpmc_entry_t mpmc_entry[ENTRIES];
ck_fifo_mpmc_entry_t mpmc_stub;
ck_fifo_mpmc_entry_t *garbage;
#endif
#ifdef CK_F_FIFO_SPSC
a = 0;
for (i = 0; i < STEPS; i++) {
ck_fifo_spsc_init(&spsc_fifo, &spsc_stub);
s = rdtsc();
for (j = 0; j < ENTRIES; j++) {
ck_spinlock_fas_lock(&mutex);
ck_fifo_spsc_enqueue(&spsc_fifo, spsc_entry + j, NULL);
ck_spinlock_fas_unlock(&mutex);
}
e = rdtsc();
a += e - s;
}
printf(" spinlock_enqueue: %16" PRIu64 "\n", a / STEPS / (sizeof(spsc_entry) / sizeof(*spsc_entry)));
a = 0;
for (i = 0; i < STEPS; i++) {
ck_fifo_spsc_init(&spsc_fifo, &spsc_stub);
for (j = 0; j < ENTRIES; j++)
ck_fifo_spsc_enqueue(&spsc_fifo, spsc_entry + j, NULL);
s = rdtsc();
for (j = 0; j < ENTRIES; j++) {
ck_spinlock_fas_lock(&mutex);
ck_fifo_spsc_dequeue(&spsc_fifo, &r);
ck_spinlock_fas_unlock(&mutex);
}
e = rdtsc();
a += e - s;
}
printf(" spinlock_dequeue: %16" PRIu64 "\n", a / STEPS / (sizeof(spsc_entry) / sizeof(*spsc_entry)));
a = 0;
for (i = 0; i < STEPS; i++) {
ck_fifo_spsc_init(&spsc_fifo, &spsc_stub);
s = rdtsc();
for (j = 0; j < ENTRIES; j++)
ck_fifo_spsc_enqueue(&spsc_fifo, spsc_entry + j, NULL);
e = rdtsc();
a += e - s;
}
printf("ck_fifo_spsc_enqueue: %16" PRIu64 "\n", a / STEPS / (sizeof(spsc_entry) / sizeof(*spsc_entry)));
a = 0;
for (i = 0; i < STEPS; i++) {
ck_fifo_spsc_init(&spsc_fifo, &spsc_stub);
for (j = 0; j < ENTRIES; j++)
ck_fifo_spsc_enqueue(&spsc_fifo, spsc_entry + j, NULL);
s = rdtsc();
for (j = 0; j < ENTRIES; j++)
ck_fifo_spsc_dequeue(&spsc_fifo, &r);
e = rdtsc();
a += e - s;
}
printf("ck_fifo_spsc_dequeue: %16" PRIu64 "\n", a / STEPS / (sizeof(spsc_entry) / sizeof(*spsc_entry)));
#endif
#ifdef CK_F_FIFO_MPMC
a = 0;
for (i = 0; i < STEPS; i++) {
ck_fifo_mpmc_init(&mpmc_fifo, &mpmc_stub);
s = rdtsc();
for (j = 0; j < ENTRIES; j++)
ck_fifo_mpmc_enqueue(&mpmc_fifo, mpmc_entry + j, NULL);
e = rdtsc();
a += e - s;
}
printf("ck_fifo_mpmc_enqueue: %16" PRIu64 "\n", a / STEPS / (sizeof(mpmc_entry) / sizeof(*mpmc_entry)));
a = 0;
for (i = 0; i < STEPS; i++) {
ck_fifo_mpmc_init(&mpmc_fifo, &mpmc_stub);
for (j = 0; j < ENTRIES; j++)
ck_fifo_mpmc_enqueue(&mpmc_fifo, mpmc_entry + j, NULL);
s = rdtsc();
for (j = 0; j < ENTRIES; j++)
ck_fifo_mpmc_dequeue(&mpmc_fifo, &r, &garbage);
e = rdtsc();
a += e - s;
}
printf("ck_fifo_mpmc_dequeue: %16" PRIu64 "\n", a / STEPS / (sizeof(mpmc_entry) / sizeof(*mpmc_entry)));
#endif
return 0;
}
