--- /dev/null
+#define _XOPEN_SOURCE 700
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <pthread.h>
+#include <unistd.h>
+#include "test.h"
+
+void *emptyfunc(void *dummy) {
+ return 0;
+}
+
+void bench_pthread_createjoin_serial1(int N) {
+ int i;
+ pthread_t td;
+ void *dummy;
+
+ for (i=0; i<N; i++) {
+ pthread_create(&td, 0, emptyfunc, 0);
+ pthread_join(td, &dummy);
+ }
+}
+
+void bench_pthread_createjoin_serial2(int N) {
+ int i, j;
+ pthread_t td[50];
+ void *dummy;
+
+ for (j=0; j<N/(sizeof td/sizeof *td); j++) {
+ for (i=0; i<sizeof td/sizeof *td; i++)
+ pthread_create(td+i, 0, emptyfunc, 0);
+ for (i=0; i<sizeof td/sizeof *td; i++)
+ pthread_join(td[i], &dummy);
+ }
+}
+
+void bench_pthread_create_serial1(int N) {
+ int i,j;
+ pthread_attr_t attr;
+ pthread_t td[50];
+ void *dummy;
+
+ pthread_attr_init(&attr);
+ pthread_attr_setstacksize(&attr, 16384);
+ for (j=0; j<N/(sizeof td/sizeof *td); j++) {
+ for (i=0; i<sizeof td/sizeof *td; i++)
+ pthread_create(td+i, &attr, emptyfunc, 0);
+ stop_timer();
+ for (i=0; i<sizeof td/sizeof *td; i++)
+ pthread_join(td[i], &dummy);
+ start_timer();
+ }
+}
+
+static int lockN;
+void *lockunlock(void *mut)
+{
+ int i;
+ for (i=0; i<lockN; i++) {
+ pthread_mutex_lock(mut);
+ pthread_mutex_unlock(mut);
+ }
+ return 0;
+}
+
+void bench_pthread_uselesslock(int N) {
+ pthread_t td;
+ pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER;
+ void *dummy;
+
+ lockN = N;
+ pthread_create(&td, 0, lockunlock, &mut);
+ pthread_join(td, &dummy);
+}
+
+void bench_pthread_createjoin_min1(int N) {
+ size_t i;
+ pthread_t td;
+ pthread_attr_t a;
+ void *dummy;
+
+ pthread_attr_init(&a);
+ pthread_attr_setstacksize(&a, sysconf(_SC_PAGESIZE));
+ pthread_attr_setguardsize(&a, 0);
+ for (i=0; i<N; i++) {
+ pthread_create(&td, &a, emptyfunc, 0);
+ pthread_join(td, &dummy);
+ }
+}
+
+void bench_pthread_createjoin_min2(int N) {
+ int i, j;
+ pthread_t td[50];
+ pthread_attr_t a;
+ void *dummy;
+
+ pthread_attr_init(&a);
+ pthread_attr_setstacksize(&a, sysconf(_SC_PAGESIZE));
+ pthread_attr_setguardsize(&a, 0);
+ for (j=0; j<N/(sizeof td/sizeof *td); j++) {
+ for (i=0; i<sizeof td/sizeof *td; i++)
+ pthread_create(td+i, &a, emptyfunc, 0);
+ for (i=0; i<sizeof td/sizeof *td; i++)
+ pthread_join(td[i], &dummy);
+ }
+}