[glib/finalize-speedups: 1/5] Add a finalization performance test

[Matthias Clasen <matthiasc src gnome org>]

commit f7a6d2f87dd4f7753aa24a2786d940e06c05239a
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun May 22 07:37:01 2022 -0400

    Add a finalization performance test

 tests/gobject/performance.c | 63 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
---
diff --git a/tests/gobject/performance.c b/tests/gobject/performance.c
index 5208172bde..e906f79f71 100644
--- a/tests/gobject/performance.c
+++ b/tests/gobject/performance.c
@@ -521,6 +521,48 @@ test_construction_teardown (PerformanceTest *test,
   g_free (data);
 }
 
+static void
+test_finalization_init (PerformanceTest *test,
+                       gpointer _data,
+                       double count_factor)
+{
+  struct ConstructionTest *data = _data;
+  int n;
+
+  n = NUM_OBJECT_TO_CONSTRUCT * count_factor;
+  if (data->n_objects != n)
+    {
+      data->n_objects = n;
+      data->objects = g_new (GObject *, n);
+    }
+
+  for (int i = 0; i <  data->n_objects; i++)
+    {
+      data->objects[i] = g_object_new (data->type, NULL);
+    }
+}
+
+static void
+test_finalization_run (PerformanceTest *test,
+                      gpointer _data)
+{
+  struct ConstructionTest *data = _data;
+  GObject **objects = data->objects;
+  int i, n_objects;
+
+  n_objects = data->n_objects;
+  for (i = 0; i < n_objects; i++)
+    {
+      g_object_unref (objects[i]);
+    }
+}
+
+static void
+test_finalization_finish (PerformanceTest *test,
+                         gpointer _data)
+{
+}
+
 static void
 test_construction_print_result (PerformanceTest *test,
                                gpointer _data,
@@ -532,6 +574,17 @@ test_construction_print_result (PerformanceTest *test,
           data->n_objects / (time * 1000000));
 }
 
+static void
+test_finalization_print_result (PerformanceTest *test,
+                               gpointer _data,
+                               double time)
+{
+  struct ConstructionTest *data = _data;
+
+  g_print ("Millions of finalized objects per second: %.3f\n",
+          data->n_objects / (time * 1000000));
+}
+
 /*************************************************************
  * Test runtime type check performance
  *************************************************************/
@@ -890,6 +943,16 @@ static PerformanceTest tests[] = {
     test_construction_teardown,
     test_construction_print_result
   },
+  {
+    "finalization",
+    simple_object_get_type,
+    test_construction_setup,
+    test_finalization_init,
+    test_finalization_run,
+    test_finalization_finish,
+    test_construction_teardown,
+    test_finalization_print_result
+  },
   {
     "type-check",
     NULL,