Add benchmarks
This commit is contained in:
Timm Bäder
156
benchmarks/benchmark.h
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156
benchmarks/benchmark.h
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@@ -0,0 +1,156 @@
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#ifndef __GTK_BENCHMARK_H__
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#define __GTK_BENCHMARK_H__
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#include <valgrind/callgrind.h>
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#include <glib.h>
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#define SAMPLE_SIZE 5
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typedef struct _Benchmark Benchmark;
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typedef void (*BenchmarkFunc)(Benchmark *b, gsize size, gpointer user_data);
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struct _Benchmark
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{
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char *name;
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gint64 start_time;
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gint64 end_time;
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gsize size;
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BenchmarkFunc func;
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guint profile : 1;
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gpointer data;
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};
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static void
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benchmark_destroy (Benchmark *b)
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{
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g_free (b->name);
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}
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static void
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benchmark_start (Benchmark *b)
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{
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b->start_time = g_get_monotonic_time ();
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if (b->profile)
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CALLGRIND_START_INSTRUMENTATION;
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}
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static void
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benchmark_stop (Benchmark *b)
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{
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if (b->profile)
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CALLGRIND_STOP_INSTRUMENTATION;
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b->end_time = g_get_monotonic_time ();
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}
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typedef struct
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{
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GArray *benchmarks;
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char *profile_benchmark_name;
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} BenchmarkSuite;
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static void
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benchmark_suite_init (BenchmarkSuite *bs,
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const char *profile_benchmark_name)
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{
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bs->benchmarks = g_array_new (FALSE, TRUE, sizeof (Benchmark));
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g_array_set_clear_func (bs->benchmarks, (GDestroyNotify)benchmark_destroy);
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bs->profile_benchmark_name = (char *)profile_benchmark_name; // XXX strdup
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g_assert (SAMPLE_SIZE % 2 == 1);
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}
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static void
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benchmark_suite_add (BenchmarkSuite *bs,
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const char *benchmark_name,
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gsize size,
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BenchmarkFunc benchmark_func,
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gpointer user_data)
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{
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Benchmark *b;
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g_array_set_size (bs->benchmarks, bs->benchmarks->len + 1);
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b = &g_array_index (bs->benchmarks, Benchmark, bs->benchmarks->len - 1);
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b->name = (char *)benchmark_name; /* XXX strdup? */
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b->size = size;
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b->func = benchmark_func;
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b->data = user_data;
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}
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static int
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benchmark_suite_run (BenchmarkSuite *bs)
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{
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const guint n_benchmarks = bs->benchmarks->len;
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const gboolean profile = bs->profile_benchmark_name != NULL;
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guint i;
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if (profile)
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{
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/* For profiling, we only run the selected benchmark. */
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gboolean found = FALSE;
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for (i = 0; i < n_benchmarks; i ++)
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{
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Benchmark *b = &g_array_index (bs->benchmarks, Benchmark, i);
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if (strcmp (bs->profile_benchmark_name, b->name) == 0)
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{
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b->profile = TRUE;
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b->func (b, b->size, b->data);
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found = TRUE;
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break;
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}
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}
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if (!found)
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g_error ("No benchmark '%s' found", bs->profile_benchmark_name);
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}
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else
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{
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for (i = 0; i < n_benchmarks; i ++)
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{
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gint64 samples[SAMPLE_SIZE];
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Benchmark *b = &g_array_index (bs->benchmarks, Benchmark, i);
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int s, x, y;
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for (s = 0; s < SAMPLE_SIZE; s ++)
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{
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b->start_time = 0;
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b->end_time = 0;
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b->func (b, b->size, b->data);
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if (b->start_time == 0)
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g_error ("Benchmark '%s' did not call benchmark_start()", b->name);
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if (b->end_time == 0)
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g_error ("Benchmark '%s' did not call benchmark_stop()", b->name);
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samples[s] = b->end_time - b->start_time;
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}
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/* Bubble sort \o/ */
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for (x = 0; x < SAMPLE_SIZE; x ++)
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for (y = 0; y < SAMPLE_SIZE; y ++)
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if (samples[x] < samples[y])
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{
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int k = samples[x];
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samples[x] = samples[y];
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samples[y] = k;
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}
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/* Median of SAMPLE_SIZE */
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printf ("%s (%" G_GSIZE_FORMAT ") | %.2f\n", b->name, b->size,
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samples[SAMPLE_SIZE / 2 + 1] / 1000.0);
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}
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}
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return 0;
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}
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#endif
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237
benchmarks/containers.c
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237
benchmarks/containers.c
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@@ -0,0 +1,237 @@
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#include <gtk/gtk.h>
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#include "benchmark.h"
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/* Command line options */
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const char *profile_benchmark_name = NULL;
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static GOptionEntry options[] = {
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{ "profile", 'p', 0, G_OPTION_ARG_STRING, &profile_benchmark_name, "Benchmark name to profile using callgrind", NULL },
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{ NULL }
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};
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typedef struct
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{
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GType type;
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} ContainerData;
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/*
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* PROFILING:
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*
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* valgrind --tool=callgrind --instr-atstart=no benchmarks/name --profile="benchmark name"
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*
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* ENJOY.
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*/
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static void
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container_create_benchmark (Benchmark *b,
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gsize size,
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gpointer user_data)
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{
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ContainerData *data = user_data;
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guint i;
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GtkWidget **widgets = g_malloc (sizeof (GtkWidget*) * size);
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benchmark_start (b);
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for (i = 0; i < size; i ++)
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widgets[i] = g_object_new (data->type, NULL);
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benchmark_stop (b);
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g_free (widgets);
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}
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static void
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container_destroy_benchmark (Benchmark *b,
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gsize size,
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gpointer user_data)
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{
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ContainerData *data = user_data;
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guint i;
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GtkWidget **widgets = g_malloc (sizeof (GtkWidget*) * size);
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for (i = 0; i < size; i ++)
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{
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widgets[i] = g_object_new (data->type, NULL);
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g_object_ref_sink (widgets[i]);
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}
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benchmark_start (b);
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for (i = 0; i < size; i ++)
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g_object_unref (widgets[i]);
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benchmark_stop (b);
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g_free (widgets);
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}
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static void
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container_add_benchmark (Benchmark *b,
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gsize size,
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gpointer user_data)
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{
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ContainerData *data = user_data;
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guint i;
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GtkWidget *container;
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GtkWidget **buttons = g_malloc (sizeof (GtkWidget*) * size);
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for (i = 0; i < size; i ++)
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buttons[i] = gtk_button_new ();
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container = g_object_new (data->type, NULL);
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benchmark_start (b);
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for (i = 0; i < size; i ++)
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gtk_container_add ((GtkContainer *)container, buttons[i]);
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benchmark_stop (b);
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g_free (buttons);
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}
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static void
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container_remove_benchmark (Benchmark *b,
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gsize size,
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gpointer user_data)
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{
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ContainerData *data = user_data;
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guint i;
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GtkWidget *container;
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GtkWidget **buttons = g_malloc (sizeof (GtkWidget*) * size);
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for (i = 0; i < size; i ++)
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{
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buttons[i] = gtk_button_new ();
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/* We add an extra ref here so the later remove() does NOT dispose the buttons. */
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g_object_ref_sink (buttons[i]);
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g_object_ref (buttons[i]);
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}
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container = g_object_new (data->type, NULL);
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for (i = 0; i < size; i ++)
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gtk_container_add ((GtkContainer *)container, buttons[i]);
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benchmark_start (b);
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for (i = 0; i < size; i ++)
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gtk_container_remove ((GtkContainer *)container, buttons[i]);
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benchmark_stop (b);
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g_free (buttons);
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}
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static void
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container_measure_benchmark (Benchmark *b,
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gsize size,
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gpointer user_data)
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{
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ContainerData *data = user_data;
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guint i;
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GtkWidget *container;
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GtkWidget **buttons = g_malloc (sizeof (GtkWidget*) * size);
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for (i = 0; i < size; i ++)
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buttons[i] = gtk_button_new ();
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container = g_object_new (data->type, NULL);
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for (i = 0; i < size; i ++)
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gtk_container_add ((GtkContainer *)container, buttons[i]);
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benchmark_start (b);
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gtk_widget_measure (container, GTK_ORIENTATION_HORIZONTAL, -1,
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NULL, NULL, NULL, NULL);
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benchmark_stop (b);
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g_free (buttons);
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}
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static void
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container_allocate_benchmark (Benchmark *b,
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gsize size,
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gpointer user_data)
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{
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ContainerData *data = user_data;
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guint i;
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GtkWidget *container;
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GtkWidget **buttons = g_malloc (sizeof (GtkWidget*) * size);
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int width, height;
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for (i = 0; i < size; i ++)
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buttons[i] = gtk_button_new ();
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container = g_object_new (data->type, NULL);
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for (i = 0; i < size; i ++)
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gtk_container_add ((GtkContainer *)container, buttons[i]);
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gtk_widget_measure (container, GTK_ORIENTATION_HORIZONTAL, -1,
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&width, NULL, NULL, NULL);
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gtk_widget_measure (container, GTK_ORIENTATION_VERTICAL, width,
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&height, NULL, NULL, NULL);
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benchmark_start (b);
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gtk_widget_size_allocate (container,
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&(GtkAllocation){0, 0, width, height},
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-1);
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benchmark_stop (b);
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g_free (buttons);
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}
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int
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main (int argc, char **argv)
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{
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BenchmarkSuite suite;
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GOptionContext *option_context;
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GError *error = NULL;
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const GType types[] = {
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GTK_TYPE_BOX,
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GTK_TYPE_GRID,
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GTK_TYPE_STACK,
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/* GTK_TYPE_NOTEBOOK, XXX too slow! :( */
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};
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int i;
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int N = 10000;
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option_context = g_option_context_new ("");
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g_option_context_add_main_entries (option_context, options, NULL);
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if (!g_option_context_parse (option_context, &argc, &argv, &error))
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{
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g_printerr ("Option parsing failed: %s\n", error->message);
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return 1;
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}
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benchmark_suite_init (&suite, profile_benchmark_name);
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gtk_init ();
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for (i = 0; i < G_N_ELEMENTS (types); i ++)
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{
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ContainerData *data = g_malloc (sizeof (ContainerData));
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data->type = types[i];
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benchmark_suite_add (&suite,
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g_strdup_printf ("%s create", g_type_name (types[i])),
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N, container_create_benchmark, data);
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benchmark_suite_add (&suite,
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g_strdup_printf ("%s destroy", g_type_name (types[i])),
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N, container_destroy_benchmark, data);
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benchmark_suite_add (&suite,
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g_strdup_printf ("%s add", g_type_name (types[i])),
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N, container_add_benchmark, data);
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benchmark_suite_add (&suite,
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g_strdup_printf ("%s remove", g_type_name (types[i])),
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N, container_remove_benchmark, data);
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benchmark_suite_add (&suite,
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g_strdup_printf ("%s measure", g_type_name (types[i])),
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N, container_measure_benchmark, data);
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benchmark_suite_add (&suite,
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g_strdup_printf ("%s allocate", g_type_name (types[i])),
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N, container_allocate_benchmark, data);
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}
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return benchmark_suite_run (&suite);
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}
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18
benchmarks/meson.build
Normal file
18
benchmarks/meson.build
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@@ -0,0 +1,18 @@
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# benchmark name, optional extra sources
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gtk_benchmarks = [
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['containers'],
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]
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foreach b : gtk_benchmarks
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b_name = b.get(0)
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b_sources = ['@0@.c'.format(b_name), b.get(1, [])]
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b_exec = executable (
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b_name,
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b_sources,
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include_directories: [confinc, gdkinc],
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dependencies: [libgtk_dep, libm]
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)
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benchmark(b_name, b_exec)
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endforeach
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@@ -645,6 +645,7 @@ subdir('gdk')
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subdir('gsk')
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subdir('gtk')
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subdir('modules')
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subdir('benchmarks')
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if get_option('demos')
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subdir('demos')
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endif
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