Restructure teshsuite xbt

[simgrid.git] / teshsuite / xbt / parmap_test / parmap_test.c

diff --git a/teshsuite/xbt/parmap_test/parmap_test.c b/teshsuite/xbt/parmap_test/parmap_test.c
new file mode 100644 (file)
index 0000000..f21e9f7
--- /dev/null
+++ b/teshsuite/xbt/parmap_test/parmap_test.c
@@ -0,0 +1,140 @@
+/* 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;
+}