[glib/3v1n0/allocation-benchmarks: 3/4] tests: Add simple allocating benchmark with both system and slice allocator
- From: Marco Trevisan <marcotrevi src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [glib/3v1n0/allocation-benchmarks: 3/4] tests: Add simple allocating benchmark with both system and slice allocator
- Date: Thu, 7 Jul 2022 15:11:00 +0000 (UTC)
commit d7257110291d0a6636401e0ce1472bcdb71cd4f6
Author: Marco Trevisan (Treviño) <mail 3v1n0 net>
Date: Thu Jul 7 16:46:47 2022 +0200
tests: Add simple allocating benchmark with both system and slice allocator
meson.build | 25 +++++
tests/allocators-tests.c | 239 +++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 264 insertions(+)
---
diff --git a/meson.build b/meson.build
index 27600672b6..ea62ffb312 100644
--- a/meson.build
+++ b/meson.build
@@ -2375,5 +2375,30 @@ if get_option('man')
man1_dir = join_paths(glib_prefix, get_option('mandir'), 'man1')
endif
+
+allocate_system = executable('allocators-test-system',
+ 'tests/allocators-tests.c',
+ c_args: [
+ '-DG_LOG_DOMAIN="GLib-Benchmark"',
+ '-UG_DISABLE_ASSERT',
+ '-DG_USE_SYSTEM_ALLOCATOR',
+ ],
+ dependencies: libglib_dep,
+ install: false
+)
+
+allocate_gslice = executable('allocators-test-gslice',
+ 'tests/allocators-tests.c',
+ c_args: [
+ '-DG_LOG_DOMAIN="GLib-Benchmark"',
+ '-UG_DISABLE_ASSERT',
+ ],
+ dependencies: [libglib_dep],
+ install: false
+)
+
+benchmark('allocate-system', allocate_system, timeout: 1000)
+benchmark('allocate-gslice', allocate_gslice, timeout: 1000)
+
gnome = import('gnome')
subdir('docs/reference')
diff --git a/tests/allocators-tests.c b/tests/allocators-tests.c
new file mode 100644
index 0000000000..eee9c20950
--- /dev/null
+++ b/tests/allocators-tests.c
@@ -0,0 +1,239 @@
+/*
+ * Copyright (C) 2022 Canonical Ltd.
+ *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General
+ * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author: Marco Trevisan <marco trevisan canonical com>
+ */
+
+#include <glib.h>
+
+/* These are to please CI, should be adjusted smartly */
+#define SIMPLE_TYPE_ITERATIONS 100000000
+#if defined(G_OS_UNIX) && !__APPLE__
+#define POINTERS_ARRAY_SIZE 1000000
+#else
+#define POINTERS_ARRAY_SIZE 100000
+#endif
+#define MAX_ALLOCATED_SIZE (POINTERS_ARRAY_SIZE * 512)
+
+#ifdef G_USE_SYSTEM_ALLOCATOR
+#define instance_alloc(s) g_malloc ((s))
+#define instance_alloc0(s) g_malloc0 ((s))
+#define instance_free(s, p) g_free ((p))
+#else
+#define instance_alloc(s) g_slice_alloc ((s))
+#define instance_alloc0(s) g_slice_alloc0 ((s))
+#define instance_free(s, p) g_slice_free1 ((s), (p))
+#endif
+
+#define allocate_and_free_many(type, type_size, allocator, N) \
+ { \
+ guint i; \
+ \
+ for (i = 0; i < N; i++) \
+ { \
+ gpointer ptr = allocator (type_size); \
+ instance_free (type_size, ptr); \
+ } \
+ }
+
+#define test_alloc_and_free(type, type_size, allocator, N) \
+ { \
+ gdouble time_elapsed; \
+ \
+ g_test_timer_start (); \
+ \
+ allocate_and_free_many (type, type_size, allocator, N); \
+ \
+ time_elapsed = g_test_timer_elapsed (); \
+ g_test_minimized_result (time_elapsed, \
+ "Allocated and free'd %u instances of %s " \
+ "(size: %" G_GSIZE_FORMAT " using %s in %6.5f seconds", \
+ N, #type, (gsize) type_size, #allocator, time_elapsed); \
+ }
+
+#define test_alloc_many_and_free(type, type_size, allocator, N) \
+ { \
+ guint i; \
+ gdouble time_elapsed; \
+ gpointer *ptrs[N] = { 0 }; \
+ gdouble total_time = 0; \
+ \
+ g_test_timer_start (); \
+ \
+ for (i = 0; i < N; i++) \
+ ptrs[i] = allocator (type_size); \
+ \
+ time_elapsed = g_test_timer_elapsed (); \
+ total_time += time_elapsed; \
+ \
+ g_test_minimized_result (time_elapsed, \
+ "Allocated %u instances of %s (size: %" G_GSIZE_FORMAT \
+ ") using %s in %6.5f seconds", \
+ N, #type, (gsize) type_size, #allocator, time_elapsed); \
+ \
+ g_test_timer_start (); \
+ \
+ for (i = 0; i < N; i++) \
+ instance_free (type_size, ptrs[i]); \
+ \
+ time_elapsed = g_test_timer_elapsed (); \
+ total_time += time_elapsed; \
+ \
+ g_test_minimized_result (time_elapsed, \
+ "Free'd %u instances of %s in %6.5f seconds", \
+ N, #type, time_elapsed); \
+ g_test_minimized_result (total_time, \
+ "Allocated and Free'd %u instances of %s using %s " \
+ "in %6.5f seconds", \
+ N, #type, #allocator, total_time); \
+ }
+
+#define test_allocation_simple_type(type) \
+ static void \
+ test_allocation_##type (void) \
+ { \
+ test_alloc_and_free (type, sizeof (type), instance_alloc, SIMPLE_TYPE_ITERATIONS); \
+ test_alloc_and_free (type, sizeof (type), instance_alloc0, SIMPLE_TYPE_ITERATIONS); \
+ \
+ test_alloc_many_and_free (type, sizeof (type), instance_alloc, POINTERS_ARRAY_SIZE); \
+ test_alloc_many_and_free (type, sizeof (type), instance_alloc0, POINTERS_ARRAY_SIZE); \
+ }
+
+#define test_allocation_sized(size) \
+ static void \
+ test_allocation_sized_##size (void) \
+ { \
+ test_alloc_and_free ("struct" #size, size, instance_alloc, SIMPLE_TYPE_ITERATIONS); \
+ test_alloc_and_free ("struct" #size, size, instance_alloc0, SIMPLE_TYPE_ITERATIONS); \
+ \
+ test_alloc_many_and_free ("struct" #size, size, instance_alloc, \
+ MIN (POINTERS_ARRAY_SIZE, MAX_ALLOCATED_SIZE / size)); \
+ test_alloc_many_and_free ("struct" #size, size, instance_alloc0, \
+ MIN (POINTERS_ARRAY_SIZE, MAX_ALLOCATED_SIZE / size)); \
+ }
+
+#define test_allocate_and_free_many_mixed(max_steps, allocator, N) \
+ { \
+ guint i; \
+ gdouble time_elapsed; \
+ GArray *steps_size = g_array_sized_new (FALSE, FALSE, sizeof (gsize), max_steps); \
+ \
+ for (i = 0; i < max_steps; i++) \
+ { \
+ gsize size = 1 << (i + 1); \
+ if (g_test_verbose ()) \
+ g_test_message ("Step allocation size %" G_GSIZE_FORMAT, size); \
+ g_array_insert_val (steps_size, i, size); \
+ } \
+ \
+ g_test_timer_start (); \
+ \
+ for (i = 0; i < N; i++) \
+ { \
+ gsize element_size = g_array_index (steps_size, gsize, (i % max_steps)); \
+ gpointer ptr = allocator (element_size); \
+ instance_free (element_size, ptr); \
+ } \
+ \
+ time_elapsed = g_test_timer_elapsed (); \
+ g_test_minimized_result (time_elapsed, \
+ "Allocated and free'd %u instances of mixed types " \
+ "(step: %s) using %s in %6.5f seconds", \
+ N, #max_steps, #allocator, time_elapsed); \
+ }
+
+#define test_allocation_mixed_sizes(max_steps) \
+ static void \
+ test_allocation_mixed_step_##max_steps (void) \
+ { \
+ gsize step_size = 0; \
+ gint i; \
+ \
+ for (i = 0; i < max_steps; i++) \
+ step_size += 1 << (i + 1); \
+ (void) step_size; \
+ \
+ test_allocate_and_free_many_mixed (max_steps, instance_alloc, \
+ SIMPLE_TYPE_ITERATIONS); \
+ test_allocate_and_free_many_mixed (max_steps, instance_alloc0, \
+ SIMPLE_TYPE_ITERATIONS); \
+ }
+
+test_allocation_simple_type (gchar);
+test_allocation_simple_type (gshort);
+test_allocation_simple_type (glong);
+test_allocation_simple_type (gint);
+test_allocation_simple_type (gboolean);
+test_allocation_simple_type (guchar);
+test_allocation_simple_type (gushort);
+test_allocation_simple_type (gulong);
+test_allocation_simple_type (guint);
+test_allocation_simple_type (gfloat);
+test_allocation_simple_type (gdouble);
+test_allocation_simple_type (gpointer);
+
+test_allocation_sized (32);
+test_allocation_sized (64);
+test_allocation_sized (128);
+test_allocation_sized (256);
+test_allocation_sized (512);
+test_allocation_sized (1024);
+test_allocation_sized (2048);
+test_allocation_sized (4098);
+
+test_allocation_mixed_sizes (8);
+test_allocation_mixed_sizes (12);
+
+#ifdef G_USE_SYSTEM_ALLOCATOR
+#define TEST_BASENAME "/allocation/system"
+#else
+#define TEST_BASENAME "/allocation/gslice"
+#endif
+
+int
+main (int argc, char *argv[])
+{
+ g_test_init (&argc, &argv, NULL);
+
+ g_test_add_func (TEST_BASENAME "/simple-type/gchar", test_allocation_gchar);
+ g_test_add_func (TEST_BASENAME "/simple-type/gshort", test_allocation_gshort);
+ g_test_add_func (TEST_BASENAME "/simple-type/glong", test_allocation_glong);
+ g_test_add_func (TEST_BASENAME "/simple-type/gint", test_allocation_gint);
+ g_test_add_func (TEST_BASENAME "/simple-type/gboolean", test_allocation_gboolean);
+ g_test_add_func (TEST_BASENAME "/simple-type/guchar", test_allocation_guchar);
+ g_test_add_func (TEST_BASENAME "/simple-type/gushort", test_allocation_gushort);
+ g_test_add_func (TEST_BASENAME "/simple-type/gulong", test_allocation_gulong);
+ g_test_add_func (TEST_BASENAME "/simple-type/guint", test_allocation_guint);
+ g_test_add_func (TEST_BASENAME "/simple-type/gfloat", test_allocation_gfloat);
+ g_test_add_func (TEST_BASENAME "/simple-type/gdouble", test_allocation_gdouble);
+ g_test_add_func (TEST_BASENAME "/simple-type/gpointer", test_allocation_gpointer);
+
+ g_test_add_func (TEST_BASENAME "/sized/32", test_allocation_sized_32);
+ g_test_add_func (TEST_BASENAME "/sized/64", test_allocation_sized_64);
+ g_test_add_func (TEST_BASENAME "/sized/128", test_allocation_sized_128);
+ g_test_add_func (TEST_BASENAME "/sized/256", test_allocation_sized_256);
+ g_test_add_func (TEST_BASENAME "/sized/512", test_allocation_sized_512);
+ g_test_add_func (TEST_BASENAME "/sized/1024", test_allocation_sized_1024);
+ g_test_add_func (TEST_BASENAME "/sized/2048", test_allocation_sized_2048);
+ g_test_add_func (TEST_BASENAME "/sized/4098", test_allocation_sized_4098);
+
+ g_test_add_func (TEST_BASENAME "/mixed/8", test_allocation_mixed_step_8);
+ g_test_add_func (TEST_BASENAME "/mixed/12", test_allocation_mixed_step_12);
+
+ return g_test_run ();
+}
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