--- /dev/null
+/* parmap_test -- test parmap */
+
+/* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team.
+ * All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#include "simgrid/simix.h"
+#include "xbt.h"
+#include "xbt/ex.h"
+#include "xbt/xbt_os_time.h"
+#include "internal_config.h"
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(parmap_test, "Test for parmap");
+
+static void fun_double(void *arg)
+{
+ unsigned *u = arg;
+ *u = 2 * *u + 1;
+}
+
+static void test_parmap_basic(e_xbt_parmap_mode_t mode)
+{
+ unsigned num_workers;
+ for (num_workers = 1 ; num_workers <= 16 ; num_workers *= 2) {
+ const unsigned len = 1033;
+ const unsigned num = 5;
+ unsigned *a;
+ xbt_dynar_t data;
+ xbt_parmap_t parmap;
+ unsigned i;
+
+ parmap = xbt_parmap_new(num_workers, mode);
+
+ a = xbt_malloc(len * sizeof *a);
+ data = xbt_dynar_new(sizeof a, NULL);
+ for (i = 0; i < len; i++) {
+ a[i] = i;
+ xbt_dynar_push_as(data, void *, &a[i]);
+ }
+
+ for (i = 0; i < num; i++)
+ xbt_parmap_apply(parmap, fun_double, data);
+
+ for (i = 0; i < len; i++) {
+ unsigned expected = (1U << num) * (i + 1) - 1;
+ xbt_test_assert(a[i] == expected,
+ "a[%u]: expected %u, got %u", i, expected, a[i]);
+ }
+
+ xbt_dynar_free(&data);
+ xbt_free(a);
+ xbt_parmap_destroy(parmap);
+ }
+}
+
+static void fun_get_id(void *arg)
+{
+ *(uintptr_t *)arg = (uintptr_t)xbt_os_thread_self();
+ xbt_os_sleep(0.5);
+}
+
+static int fun_compare(const void *pa, const void *pb)
+{
+ uintptr_t a = *(uintptr_t *)pa;
+ uintptr_t b = *(uintptr_t *)pb;
+ return a < b ? -1 : a > b ? 1 : 0;
+}
+
+static void test_parmap_extended(e_xbt_parmap_mode_t mode)
+{
+ unsigned num_workers;
+
+ for (num_workers = 1 ; num_workers <= 16 ; num_workers *= 2) {
+ const unsigned len = 2 * num_workers;
+ uintptr_t *a;
+ xbt_parmap_t parmap;
+ xbt_dynar_t data;
+ unsigned i;
+ unsigned count;
+
+ parmap = xbt_parmap_new(num_workers, mode);
+
+ a = xbt_malloc(len * sizeof *a);
+ data = xbt_dynar_new(sizeof a, NULL);
+ for (i = 0; i < len; i++)
+ xbt_dynar_push_as(data, void *, &a[i]);
+
+ xbt_parmap_apply(parmap, fun_get_id, data);
+
+ qsort(a, len, sizeof a[0], fun_compare);
+ count = 1;
+ for (i = 1; i < len; i++)
+ if (a[i] != a[i - 1])
+ count++;
+ xbt_test_assert(count == num_workers,
+ "only %u/%u threads did some work", count, num_workers);
+
+ xbt_dynar_free(&data);
+ xbt_free(a);
+ xbt_parmap_destroy(parmap);
+ }
+}
+
+int main(int argc, char** argv)
+{
+ SIMIX_global_init(&argc, argv);
+
+ XBT_INFO("Basic testing posix");
+ test_parmap_basic(XBT_PARMAP_POSIX);
+ XBT_INFO("Basic testing futex");
+#ifdef HAVE_FUTEX_H
+ test_parmap_basic(XBT_PARMAP_FUTEX);
+#endif
+ XBT_INFO("Basic testing busy wait");
+ test_parmap_basic(XBT_PARMAP_BUSY_WAIT);
+
+ XBT_INFO("Extended testing posix");
+ test_parmap_extended(XBT_PARMAP_POSIX);
+ XBT_INFO("Extended testing futex");
+#ifdef HAVE_FUTEX_H
+ test_parmap_extended(XBT_PARMAP_FUTEX);
+#endif
+ XBT_INFO("Extended testing busy wait");
+ test_parmap_extended(XBT_PARMAP_BUSY_WAIT);
+
+ return 0;
+}
