+++ /dev/null
-/* parmap_test -- test parmap */
-
-/* Copyright (c) 2007-2010, 2013-2014. 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 int test_parmap_basic(e_xbt_parmap_mode_t mode)
-{
- int ret = 0;
- 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;
- if (a[i] != expected) {
- XBT_CRITICAL("with %u threads, a[%u]: expected %u, got %u",
- num_workers, i, expected, a[i]);
- ret = 1;
- break;
- }
- }
-
- xbt_dynar_free(&data);
- xbt_free(a);
- xbt_parmap_destroy(parmap);
- }
- return ret;
-}
-
-static void fun_get_id(void *arg)
-{
- *(uintptr_t *)arg = (uintptr_t)xbt_os_thread_self();
- xbt_os_sleep(0.05);
-}
-
-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 int test_parmap_extended(e_xbt_parmap_mode_t mode)
-{
- int ret = 0;
- 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++;
- if (count != num_workers) {
- XBT_CRITICAL("only %u/%u threads did some work", count, num_workers);
- ret = 1;
- }
-
- xbt_dynar_free(&data);
- xbt_free(a);
- xbt_parmap_destroy(parmap);
- }
- return ret;
-}
-
-int main(int argc, char** argv)
-{
- int status = 0;
- SIMIX_global_init(&argc, argv);
-
- XBT_INFO("Basic testing posix");
- status += test_parmap_basic(XBT_PARMAP_POSIX);
- XBT_INFO("Basic testing futex");
-#ifdef HAVE_FUTEX_H
- status += test_parmap_basic(XBT_PARMAP_FUTEX);
-#endif
- XBT_INFO("Basic testing busy wait");
- status += test_parmap_basic(XBT_PARMAP_BUSY_WAIT);
-
- XBT_INFO("Extended testing posix");
- status += test_parmap_extended(XBT_PARMAP_POSIX);
- XBT_INFO("Extended testing futex");
-#ifdef HAVE_FUTEX_H
- status += test_parmap_extended(XBT_PARMAP_FUTEX);
-#endif
- XBT_INFO("Extended testing busy wait");
- status += test_parmap_extended(XBT_PARMAP_BUSY_WAIT);
-
- return status == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
-}
