tests/gobject/performance.c

   1 /* GObject - GLib Type, Object, Parameter and Signal Library
   2  * Copyright (C) 2009 Red Hat, Inc.
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General
  15  * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include <math.h>
  19 #include <string.h>
  20 #include <glib-object.h>
  21 #include "testcommon.h"
  22
  23 #define WARM_UP_N_RUNS 50
  24 #define ESTIMATE_ROUND_TIME_N_RUNS 5
  25 #define DEFAULT_TEST_TIME 15 /* seconds */
  26  /* The time we want each round to take, in seconds, this should
  27   * be large enough compared to the timer resolution, but small
  28   * enought that the risk of any random slowness will miss the
  29   * running window */
  30 #define TARGET_ROUND_TIME 0.008
  31
  32 static gboolean verbose = FALSE;
  33 static int test_length = DEFAULT_TEST_TIME;
  34
  35 static GOptionEntry cmd_entries[] = {
  36   {"verbose", 'v', 0, G_OPTION_ARG_NONE, &verbose,
  37    "Print extra information", NULL},
  38   {"seconds", 's', 0, G_OPTION_ARG_INT, &test_length,
  39    "Time to run each test in seconds", NULL},
  40   {NULL}
  41 };
  42
  43 typedef struct _PerformanceTest PerformanceTest;
  44 struct _PerformanceTest {
  45   const char *name;
  46   gpointer extra_data;
  47
  48   gpointer (*setup) (PerformanceTest *test);
  49   void (*init) (PerformanceTest *test,
  50                 gpointer data,
  51                 double factor);
  52   void (*run) (PerformanceTest *test,
  53                gpointer data);
  54   void (*finish) (PerformanceTest *test,
  55                   gpointer data);
  56   void (*teardown) (PerformanceTest *test,
  57                     gpointer data);
  58   void (*print_result) (PerformanceTest *test,
  59                         gpointer data,
  60                         double time);
  61 };
  62
  63 static void
  64 run_test (PerformanceTest *test)
  65 {
  66   gpointer data = NULL;
  67   guint64 i, num_rounds;
  68   double elapsed, min_elapsed, max_elapsed, avg_elapsed, factor;
  69   GTimer *timer;
  70
  71   g_print ("Running test %s\n", test->name);
  72
  73   /* Set up test */
  74   timer = g_timer_new ();
  75   data = test->setup (test);
  76
  77   if (verbose)
  78     g_print ("Warming up\n");
  79
  80   g_timer_start (timer);
  81
  82   /* Warm up the test by doing a few runs */
  83   for (i = 0; i < WARM_UP_N_RUNS; i++)
  84     {
  85       test->init (test, data, 1.0);
  86       test->run (test, data);
  87       test->finish (test, data);
  88     }
  89
  90   g_timer_stop (timer);
  91   elapsed = g_timer_elapsed (timer, NULL);
  92
  93   if (verbose)
  94     {
  95       g_print ("Warm up time: %.2f secs\n", elapsed);
  96       g_print ("Estimating round time\n");
  97     }
  98
  99   /* Estimate time for one run by doing a few test rounds */
 100   min_elapsed = 0;
 101   for (i = 0; i < ESTIMATE_ROUND_TIME_N_RUNS; i++)
 102     {
 103       test->init (test, data, 1.0);
 104       g_timer_start (timer);
 105       test->run (test, data);
 106       g_timer_stop (timer);
 107       test->finish (test, data);
 108
 109       elapsed = g_timer_elapsed (timer, NULL);
 110       if (i == 0)
 111         min_elapsed = elapsed;
 112       else
 113         min_elapsed = MIN (min_elapsed, elapsed);
 114     }
 115
 116   factor = TARGET_ROUND_TIME / min_elapsed;
 117
 118   if (verbose)
 119     g_print ("Uncorrected round time: %.4f msecs, correction factor %.2f\n", 1000*min_elapsed, factor);
 120
 121   /* Calculate number of rounds needed */
 122   num_rounds = (test_length / TARGET_ROUND_TIME) + 1;
 123
 124   if (verbose)
 125     g_print ("Running %"G_GINT64_MODIFIER"d rounds\n", num_rounds);
 126
 127   /* Run the test */
 128   for (i = 0; i < num_rounds; i++)
 129     {
 130       test->init (test, data, factor);
 131       g_timer_start (timer);
 132       test->run (test, data);
 133       g_timer_stop (timer);
 134       test->finish (test, data);
 135       elapsed = g_timer_elapsed (timer, NULL);
 136
 137       if (i == 0)
 138         max_elapsed = min_elapsed = avg_elapsed = elapsed;
 139       else
 140         {
 141           min_elapsed = MIN (min_elapsed, elapsed);
 142           max_elapsed = MAX (max_elapsed, elapsed);
 143           avg_elapsed += elapsed;
 144         }
 145     }
 146
 147   avg_elapsed = avg_elapsed / num_rounds;
 148
 149   if (verbose)
 150     {
 151       g_print ("Minimum corrected round time: %.2f msecs\n", min_elapsed * 1000);
 152       g_print ("Maximum corrected round time: %.2f msecs\n", max_elapsed * 1000);
 153       g_print ("Average corrected round time: %.2f msecs\n", avg_elapsed * 1000);
 154     }
 155   /* Print the results */
 156   test->print_result (test, data, min_elapsed);
 157
 158   /* Tear down */
 159   test->teardown (test, data);
 160   g_timer_destroy (timer);
 161 }
 162
 163 /*************************************************************
 164  * Simple object is a very simple small GObject subclass
 165  * with no properties, no signals, implementing no interfaces
 166  *************************************************************/
 167
 168 static GType simple_object_get_type (void);
 169 #define SIMPLE_TYPE_OBJECT        (simple_object_get_type ())
 170 typedef struct _SimpleObject      SimpleObject;
 171 typedef struct _SimpleObjectClass   SimpleObjectClass;
 172
 173 struct _SimpleObject
 174 {
 175   GObject parent_instance;
 176   int val;
 177 };
 178
 179 struct _SimpleObjectClass
 180 {
 181   GObjectClass parent_class;
 182 };
 183
 184 G_DEFINE_TYPE (SimpleObject, simple_object, G_TYPE_OBJECT);
 185
 186 static void
 187 simple_object_finalize (GObject *object)
 188 {
 189   G_OBJECT_CLASS (simple_object_parent_class)->finalize (object);
 190 }
 191
 192 static void
 193 simple_object_class_init (SimpleObjectClass *class)
 194 {
 195   GObjectClass *object_class = G_OBJECT_CLASS (class);
 196
 197   object_class->finalize = simple_object_finalize;
 198 }
 199
 200 static void
 201 simple_object_init (SimpleObject *simple_object)
 202 {
 203   simple_object->val = 42;
 204 }
 205
 206 typedef struct _TestIfaceClass TestIfaceClass;
 207 typedef struct _TestIfaceClass TestIface1Class;
 208 typedef struct _TestIfaceClass TestIface2Class;
 209 typedef struct _TestIfaceClass TestIface3Class;
 210 typedef struct _TestIfaceClass TestIface4Class;
 211 typedef struct _TestIfaceClass TestIface5Class;
 212 typedef struct _TestIface TestIface;
 213
 214 struct _TestIfaceClass
 215 {
 216   GTypeInterface base_iface;
 217   void (*method) (TestIface *obj);
 218 };
 219
 220 static GType test_iface1_get_type (void);
 221 static GType test_iface2_get_type (void);
 222 static GType test_iface3_get_type (void);
 223 static GType test_iface4_get_type (void);
 224 static GType test_iface5_get_type (void);
 225
 226 #define TEST_TYPE_IFACE1 (test_iface1_get_type ())
 227 #define TEST_TYPE_IFACE2 (test_iface2_get_type ())
 228 #define TEST_TYPE_IFACE3 (test_iface3_get_type ())
 229 #define TEST_TYPE_IFACE4 (test_iface4_get_type ())
 230 #define TEST_TYPE_IFACE5 (test_iface5_get_type ())
 231
 232 static DEFINE_IFACE (TestIface1, test_iface1,  NULL, NULL)
 233 static DEFINE_IFACE (TestIface2, test_iface2,  NULL, NULL)
 234 static DEFINE_IFACE (TestIface3, test_iface3,  NULL, NULL)
 235 static DEFINE_IFACE (TestIface4, test_iface4,  NULL, NULL)
 236 static DEFINE_IFACE (TestIface5, test_iface5,  NULL, NULL)
 237
 238 /*************************************************************
 239  * Complex object is a GObject subclass with a properties,
 240  * construct properties, signals and implementing an interface.
 241  *************************************************************/
 242
 243 static GType complex_object_get_type (void);
 244 #define COMPLEX_TYPE_OBJECT        (complex_object_get_type ())
 245 typedef struct _ComplexObject      ComplexObject;
 246 typedef struct _ComplexObjectClass ComplexObjectClass;
 247
 248 struct _ComplexObject
 249 {
 250   GObject parent_instance;
 251   int val1;
 252   int val2;
 253 };
 254
 255 struct _ComplexObjectClass
 256 {
 257   GObjectClass parent_class;
 258
 259   void (*signal) (ComplexObject *obj);
 260   void (*signal_empty) (ComplexObject *obj);
 261 };
 262
 263 static void complex_test_iface_init (gpointer         g_iface,
 264                                      gpointer         iface_data);
 265
 266 G_DEFINE_TYPE_EXTENDED (ComplexObject, complex_object,
 267                         G_TYPE_OBJECT, 0,
 268                         G_IMPLEMENT_INTERFACE (TEST_TYPE_IFACE1,
 269                                                complex_test_iface_init)
 270                         G_IMPLEMENT_INTERFACE (TEST_TYPE_IFACE2,
 271                                                complex_test_iface_init)
 272                         G_IMPLEMENT_INTERFACE (TEST_TYPE_IFACE3,
 273                                                complex_test_iface_init)
 274                         G_IMPLEMENT_INTERFACE (TEST_TYPE_IFACE4,
 275                                                complex_test_iface_init)
 276                         G_IMPLEMENT_INTERFACE (TEST_TYPE_IFACE5,
 277                                                complex_test_iface_init)
 278                         );
 279
 280 #define COMPLEX_OBJECT(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), COMPLEX_TYPE_OBJECT, ComplexObject))
 281
 282 enum {
 283   PROP_0,
 284   PROP_VAL1,
 285   PROP_VAL2
 286 };
 287
 288 enum {
 289   COMPLEX_SIGNAL,
 290   COMPLEX_SIGNAL_EMPTY,
 291   COMPLEX_SIGNAL_GENERIC,
 292   COMPLEX_SIGNAL_GENERIC_EMPTY,
 293   COMPLEX_SIGNAL_ARGS,
 294   COMPLEX_LAST_SIGNAL
 295 };
 296
 297 static guint complex_signals[COMPLEX_LAST_SIGNAL] = { 0 };
 298
 299 static void
 300 complex_object_finalize (GObject *object)
 301 {
 302   G_OBJECT_CLASS (complex_object_parent_class)->finalize (object);
 303 }
 304
 305 static void
 306 complex_object_set_property (GObject         *object,
 307                              guint            prop_id,
 308                              const GValue    *value,
 309                              GParamSpec      *pspec)
 310 {
 311   ComplexObject *complex = COMPLEX_OBJECT (object);
 312
 313   switch (prop_id)
 314     {
 315     case PROP_VAL1:
 316       complex->val1 = g_value_get_int (value);
 317       break;
 318     case PROP_VAL2:
 319       complex->val2 = g_value_get_int (value);
 320       break;
 321     default:
 322       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 323       break;
 324     }
 325 }
 326
 327 static void
 328 complex_object_get_property (GObject         *object,
 329                              guint            prop_id,
 330                              GValue          *value,
 331                              GParamSpec      *pspec)
 332 {
 333   ComplexObject *complex = COMPLEX_OBJECT (object);
 334
 335   switch (prop_id)
 336     {
 337     case PROP_VAL1:
 338       g_value_set_int (value, complex->val1);
 339       break;
 340     case PROP_VAL2:
 341       g_value_set_int (value, complex->val2);
 342       break;
 343     default:
 344       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 345       break;
 346     }
 347 }
 348
 349 static void
 350 complex_object_real_signal (ComplexObject *obj)
 351 {
 352 }
 353
 354 static void
 355 complex_object_class_init (ComplexObjectClass *class)
 356 {
 357   GObjectClass *object_class = G_OBJECT_CLASS (class);
 358
 359   object_class->finalize = complex_object_finalize;
 360   object_class->set_property = complex_object_set_property;
 361   object_class->get_property = complex_object_get_property;
 362
 363   class->signal = complex_object_real_signal;
 364
 365   complex_signals[COMPLEX_SIGNAL] =
 366     g_signal_new ("signal",
 367                   G_TYPE_FROM_CLASS (object_class),
 368                   G_SIGNAL_RUN_FIRST,
 369                   G_STRUCT_OFFSET (ComplexObjectClass, signal),
 370                   NULL, NULL,
 371                   g_cclosure_marshal_VOID__VOID,
 372                   G_TYPE_NONE, 0);
 373
 374   complex_signals[COMPLEX_SIGNAL_EMPTY] =
 375     g_signal_new ("signal-empty",
 376                   G_TYPE_FROM_CLASS (object_class),
 377                   G_SIGNAL_RUN_FIRST,
 378                   G_STRUCT_OFFSET (ComplexObjectClass, signal_empty),
 379                   NULL, NULL,
 380                   g_cclosure_marshal_VOID__VOID,
 381                   G_TYPE_NONE, 0);
 382
 383   complex_signals[COMPLEX_SIGNAL_GENERIC] =
 384     g_signal_new ("signal-generic",
 385                   G_TYPE_FROM_CLASS (object_class),
 386                   G_SIGNAL_RUN_FIRST,
 387                   G_STRUCT_OFFSET (ComplexObjectClass, signal),
 388                   NULL, NULL,
 389                   NULL,
 390                   G_TYPE_NONE, 0);
 391   complex_signals[COMPLEX_SIGNAL_GENERIC_EMPTY] =
 392     g_signal_new ("signal-generic-empty",
 393                   G_TYPE_FROM_CLASS (object_class),
 394                   G_SIGNAL_RUN_FIRST,
 395                   G_STRUCT_OFFSET (ComplexObjectClass, signal_empty),
 396                   NULL, NULL,
 397                   NULL,
 398                   G_TYPE_NONE, 0);
 399
 400   complex_signals[COMPLEX_SIGNAL_ARGS] =
 401     g_signal_new ("signal-args",
 402                   G_TYPE_FROM_CLASS (object_class),
 403                   G_SIGNAL_RUN_FIRST,
 404                   G_STRUCT_OFFSET (ComplexObjectClass, signal),
 405                   NULL, NULL,
 406                   g_cclosure_marshal_VOID__UINT_POINTER,
 407                   G_TYPE_NONE, 2, G_TYPE_UINT, G_TYPE_POINTER);
 408
 409   g_object_class_install_property (object_class,
 410                                    PROP_VAL1,
 411                                    g_param_spec_int ("val1",
 412                                                      "val1",
 413                                                      "val1",
 414                                                      0,
 415                                                      G_MAXINT,
 416                                                      42,
 417                                                      G_PARAM_CONSTRUCT | G_PARAM_READWRITE));
 418   g_object_class_install_property (object_class,
 419                                    PROP_VAL2,
 420                                    g_param_spec_int ("val2",
 421                                                      "val2",
 422                                                      "val2",
 423                                                      0,
 424                                                      G_MAXINT,
 425                                                      43,
 426                                                      G_PARAM_READWRITE));
 427
 428
 429 }
 430
 431 static void
 432 complex_object_iface_method (TestIface *obj)
 433 {
 434   ComplexObject *complex = COMPLEX_OBJECT (obj);
 435   complex->val1++;
 436 }
 437
 438 static void
 439 complex_test_iface_init (gpointer         g_iface,
 440                          gpointer         iface_data)
 441 {
 442   TestIfaceClass *iface = g_iface;
 443   iface->method = complex_object_iface_method;
 444 }
 445
 446 static void
 447 complex_object_init (ComplexObject *complex_object)
 448 {
 449   complex_object->val2 = 43;
 450 }
 451
 452 /*************************************************************
 453  * Test object construction performance
 454  *************************************************************/
 455
 456 #define NUM_OBJECT_TO_CONSTRUCT 10000
 457
 458 struct ConstructionTest {
 459   GObject **objects;
 460   int n_objects;
 461   GType type;
 462 };
 463
 464 static gpointer
 465 test_construction_setup (PerformanceTest *test)
 466 {
 467   struct ConstructionTest *data;
 468
 469   data = g_new0 (struct ConstructionTest, 1);
 470   data->type = ((GType (*)(void))test->extra_data)();
 471
 472   return data;
 473 }
 474
 475 static void
 476 test_construction_init (PerformanceTest *test,
 477                         gpointer _data,
 478                         double count_factor)
 479 {
 480   struct ConstructionTest *data = _data;
 481   int n;
 482
 483   n = NUM_OBJECT_TO_CONSTRUCT * count_factor;
 484   if (data->n_objects != n)
 485     {
 486       data->n_objects = n;
 487       data->objects = g_new (GObject *, n);
 488     }
 489 }
 490
 491 static void
 492 test_construction_run (PerformanceTest *test,
 493                        gpointer _data)
 494 {
 495   struct ConstructionTest *data = _data;
 496   GObject **objects = data->objects;
 497   GType type = data->type;
 498   int i, n_objects;
 499
 500   n_objects = data->n_objects;
 501   for (i = 0; i < n_objects; i++)
 502     objects[i] = g_object_new (type, NULL);
 503 }
 504
 505 static void
 506 test_construction_finish (PerformanceTest *test,
 507                           gpointer _data)
 508 {
 509   struct ConstructionTest *data = _data;
 510   int i;
 511
 512   for (i = 0; i < data->n_objects; i++)
 513     g_object_unref (data->objects[i]);
 514 }
 515
 516 static void
 517 test_construction_teardown (PerformanceTest *test,
 518                             gpointer _data)
 519 {
 520   struct ConstructionTest *data = _data;
 521   g_free (data->objects);
 522   g_free (data);
 523 }
 524
 525 static void
 526 test_construction_print_result (PerformanceTest *test,
 527                                 gpointer _data,
 528                                 double time)
 529 {
 530   struct ConstructionTest *data = _data;
 531
 532   g_print ("Millions of constructed objects per second: %.3f\n",
 533            data->n_objects / (time * 1000000));
 534 }
 535
 536 /*************************************************************
 537  * Test runtime type check performance
 538  *************************************************************/
 539
 540 #define NUM_KILO_CHECKS_PER_ROUND 50
 541
 542 struct TypeCheckTest {
 543   GObject *object;
 544   int n_checks;
 545 };
 546
 547 static gpointer
 548 test_type_check_setup (PerformanceTest *test)
 549 {
 550   struct TypeCheckTest *data;
 551
 552   data = g_new0 (struct TypeCheckTest, 1);
 553   data->object = g_object_new (COMPLEX_TYPE_OBJECT, NULL);
 554
 555   return data;
 556 }
 557
 558 static void
 559 test_type_check_init (PerformanceTest *test,
 560                       gpointer _data,
 561                       double factor)
 562 {
 563   struct TypeCheckTest *data = _data;
 564
 565   data->n_checks = factor * NUM_KILO_CHECKS_PER_ROUND;
 566 }
 567
 568
 569 /* Work around g_type_check_instance_is_a being marked "pure",
 570    and thus only called once for the loop. */
 571 gboolean (*my_type_check_instance_is_a) (GTypeInstance *type_instance,
 572                                          GType          iface_type) = &g_type_check_instance_is_a;
 573
 574 static void
 575 test_type_check_run (PerformanceTest *test,
 576                      gpointer _data)
 577 {
 578   struct TypeCheckTest *data = _data;
 579   volatile GObject *object = data->object;
 580   volatile GType type, types[5];
 581   int i, j;
 582
 583   types[0] = test_iface1_get_type ();
 584   types[1] = test_iface2_get_type ();
 585   types[2] = test_iface3_get_type ();
 586   types[3] = test_iface4_get_type ();
 587   types[4] = test_iface5_get_type ();
 588
 589   for (i = 0; i < data->n_checks; i++)
 590     {
 591       type = types[i%5];
 592       for (j = 0; j < 1000; j++)
 593         {
 594           my_type_check_instance_is_a ((GTypeInstance *)object,
 595                                        type);
 596         }
 597     }
 598 }
 599
 600 static void
 601 test_type_check_finish (PerformanceTest *test,
 602                         gpointer data)
 603 {
 604 }
 605
 606 static void
 607 test_type_check_print_result (PerformanceTest *test,
 608                               gpointer _data,
 609                               double time)
 610 {
 611   struct TypeCheckTest *data = _data;
 612   g_print ("Million type checks per second: %.2f\n",
 613            data->n_checks / (1000*time));
 614 }
 615
 616 static void
 617 test_type_check_teardown (PerformanceTest *test,
 618                           gpointer _data)
 619 {
 620   struct TypeCheckTest *data = _data;
 621
 622   g_object_unref (data->object);
 623   g_free (data);
 624 }
 625
 626 /*************************************************************
 627  * Test signal emissions performance (common code)
 628  *************************************************************/
 629
 630 #define NUM_EMISSIONS_PER_ROUND 10000
 631
 632 struct EmissionTest {
 633   GObject *object;
 634   int n_checks;
 635   int signal_id;
 636 };
 637
 638 static void
 639 test_emission_run (PerformanceTest *test,
 640                              gpointer _data)
 641 {
 642   struct EmissionTest *data = _data;
 643   GObject *object = data->object;
 644   int i;
 645
 646   for (i = 0; i < data->n_checks; i++)
 647     g_signal_emit (object, data->signal_id, 0);
 648 }
 649
 650 static void
 651 test_emission_run_args (PerformanceTest *test,
 652                         gpointer _data)
 653 {
 654   struct EmissionTest *data = _data;
 655   GObject *object = data->object;
 656   int i;
 657
 658   for (i = 0; i < data->n_checks; i++)
 659     g_signal_emit (object, data->signal_id, 0, 0, NULL);
 660 }
 661
 662 /*************************************************************
 663  * Test signal unhandled emissions performance
 664  *************************************************************/
 665
 666 static gpointer
 667 test_emission_unhandled_setup (PerformanceTest *test)
 668 {
 669   struct EmissionTest *data;
 670
 671   data = g_new0 (struct EmissionTest, 1);
 672   data->object = g_object_new (COMPLEX_TYPE_OBJECT, NULL);
 673   data->signal_id = complex_signals[GPOINTER_TO_INT (test->extra_data)];
 674   return data;
 675 }
 676
 677 static void
 678 test_emission_unhandled_init (PerformanceTest *test,
 679                               gpointer _data,
 680                               double factor)
 681 {
 682   struct EmissionTest *data = _data;
 683
 684   data->n_checks = factor * NUM_EMISSIONS_PER_ROUND;
 685 }
 686
 687 static void
 688 test_emission_unhandled_finish (PerformanceTest *test,
 689                                 gpointer data)
 690 {
 691 }
 692
 693 static void
 694 test_emission_unhandled_print_result (PerformanceTest *test,
 695                                       gpointer _data,
 696                                       double time)
 697 {
 698   struct EmissionTest *data = _data;
 699
 700   g_print ("Emissions per second: %.0f\n",
 701            data->n_checks / time);
 702 }
 703
 704 static void
 705 test_emission_unhandled_teardown (PerformanceTest *test,
 706                                   gpointer _data)
 707 {
 708   struct EmissionTest *data = _data;
 709
 710   g_object_unref (data->object);
 711   g_free (data);
 712 }
 713
 714 /*************************************************************
 715  * Test signal handled emissions performance
 716  *************************************************************/
 717
 718 static void
 719 test_emission_handled_handler (ComplexObject *obj, gpointer data)
 720 {
 721 }
 722
 723 static gpointer
 724 test_emission_handled_setup (PerformanceTest *test)
 725 {
 726   struct EmissionTest *data;
 727
 728   data = g_new0 (struct EmissionTest, 1);
 729   data->object = g_object_new (COMPLEX_TYPE_OBJECT, NULL);
 730   data->signal_id = complex_signals[GPOINTER_TO_INT (test->extra_data)];
 731   g_signal_connect (data->object, "signal",
 732                     G_CALLBACK (test_emission_handled_handler),
 733                     NULL);
 734   g_signal_connect (data->object, "signal-empty",
 735                     G_CALLBACK (test_emission_handled_handler),
 736                     NULL);
 737   g_signal_connect (data->object, "signal-generic",
 738                     G_CALLBACK (test_emission_handled_handler),
 739                     NULL);
 740   g_signal_connect (data->object, "signal-generic-empty",
 741                     G_CALLBACK (test_emission_handled_handler),
 742                     NULL);
 743   g_signal_connect (data->object, "signal-args",
 744                     G_CALLBACK (test_emission_handled_handler),
 745                     NULL);
 746
 747   return data;
 748 }
 749
 750 static void
 751 test_emission_handled_init (PerformanceTest *test,
 752                             gpointer _data,
 753                             double factor)
 754 {
 755   struct EmissionTest *data = _data;
 756
 757   data->n_checks = factor * NUM_EMISSIONS_PER_ROUND;
 758 }
 759
 760 static void
 761 test_emission_handled_finish (PerformanceTest *test,
 762                               gpointer data)
 763 {
 764 }
 765
 766 static void
 767 test_emission_handled_print_result (PerformanceTest *test,
 768                                     gpointer _data,
 769                                     double time)
 770 {
 771   struct EmissionTest *data = _data;
 772
 773   g_print ("Emissions per second: %.0f\n",
 774            data->n_checks / time);
 775 }
 776
 777 static void
 778 test_emission_handled_teardown (PerformanceTest *test,
 779                                 gpointer _data)
 780 {
 781   struct EmissionTest *data = _data;
 782
 783   g_object_unref (data->object);
 784   g_free (data);
 785 }
 786
 787 /*************************************************************
 788  * Test object refcount performance
 789  *************************************************************/
 790
 791 #define NUM_KILO_REFS_PER_ROUND 100000
 792
 793 struct RefcountTest {
 794   GObject *object;
 795   int n_checks;
 796 };
 797
 798 static gpointer
 799 test_refcount_setup (PerformanceTest *test)
 800 {
 801   struct RefcountTest *data;
 802
 803   data = g_new0 (struct RefcountTest, 1);
 804   data->object = g_object_new (COMPLEX_TYPE_OBJECT, NULL);
 805
 806   return data;
 807 }
 808
 809 static void
 810 test_refcount_init (PerformanceTest *test,
 811                     gpointer _data,
 812                     double factor)
 813 {
 814   struct RefcountTest *data = _data;
 815
 816   data->n_checks = factor * NUM_KILO_REFS_PER_ROUND;
 817 }
 818
 819 static void
 820 test_refcount_run (PerformanceTest *test,
 821                    gpointer _data)
 822 {
 823   struct RefcountTest *data = _data;
 824   GObject *object = data->object;
 825   int i;
 826
 827   for (i = 0; i < data->n_checks; i++)
 828     {
 829       g_object_ref (object);
 830       g_object_ref (object);
 831       g_object_ref (object);
 832       g_object_unref (object);
 833       g_object_unref (object);
 834
 835       g_object_ref (object);
 836       g_object_ref (object);
 837       g_object_unref (object);
 838       g_object_unref (object);
 839       g_object_unref (object);
 840     }
 841 }
 842
 843 static void
 844 test_refcount_finish (PerformanceTest *test,
 845                       gpointer _data)
 846 {
 847 }
 848
 849 static void
 850 test_refcount_print_result (PerformanceTest *test,
 851                               gpointer _data,
 852                               double time)
 853 {
 854   struct RefcountTest *data = _data;
 855   g_print ("Million refs+unref per second: %.2f\n",
 856            data->n_checks * 5 / (time * 1000000 ));
 857 }
 858
 859 static void
 860 test_refcount_teardown (PerformanceTest *test,
 861                           gpointer _data)
 862 {
 863   struct RefcountTest *data = _data;
 864
 865   g_object_unref (data->object);
 866   g_free (data);
 867 }
 868
 869 /*************************************************************
 870  * Main test code
 871  *************************************************************/
 872
 873 static PerformanceTest tests[] = {
 874   {
 875     "simple-construction",
 876     simple_object_get_type,
 877     test_construction_setup,
 878     test_construction_init,
 879     test_construction_run,
 880     test_construction_finish,
 881     test_construction_teardown,
 882     test_construction_print_result
 883   },
 884   {
 885     "complex-construction",
 886     complex_object_get_type,
 887     test_construction_setup,
 888     test_construction_init,
 889     test_construction_run,
 890     test_construction_finish,
 891     test_construction_teardown,
 892     test_construction_print_result
 893   },
 894   {
 895     "type-check",
 896     NULL,
 897     test_type_check_setup,
 898     test_type_check_init,
 899     test_type_check_run,
 900     test_type_check_finish,
 901     test_type_check_teardown,
 902     test_type_check_print_result
 903   },
 904   {
 905     "emit-unhandled",
 906     GINT_TO_POINTER (COMPLEX_SIGNAL),
 907     test_emission_unhandled_setup,
 908     test_emission_unhandled_init,
 909     test_emission_run,
 910     test_emission_unhandled_finish,
 911     test_emission_unhandled_teardown,
 912     test_emission_unhandled_print_result
 913   },
 914   {
 915     "emit-unhandled-empty",
 916     GINT_TO_POINTER (COMPLEX_SIGNAL_EMPTY),
 917     test_emission_unhandled_setup,
 918     test_emission_unhandled_init,
 919     test_emission_run,
 920     test_emission_unhandled_finish,
 921     test_emission_unhandled_teardown,
 922     test_emission_unhandled_print_result
 923   },
 924   {
 925     "emit-unhandled-generic",
 926     GINT_TO_POINTER (COMPLEX_SIGNAL_GENERIC),
 927     test_emission_unhandled_setup,
 928     test_emission_unhandled_init,
 929     test_emission_run,
 930     test_emission_unhandled_finish,
 931     test_emission_unhandled_teardown,
 932     test_emission_unhandled_print_result
 933   },
 934   {
 935     "emit-unhandled-generic-empty",
 936     GINT_TO_POINTER (COMPLEX_SIGNAL_GENERIC_EMPTY),
 937     test_emission_unhandled_setup,
 938     test_emission_unhandled_init,
 939     test_emission_run,
 940     test_emission_unhandled_finish,
 941     test_emission_unhandled_teardown,
 942     test_emission_unhandled_print_result
 943   },
 944   {
 945     "emit-unhandled-args",
 946     GINT_TO_POINTER (COMPLEX_SIGNAL_ARGS),
 947     test_emission_unhandled_setup,
 948     test_emission_unhandled_init,
 949     test_emission_run_args,
 950     test_emission_unhandled_finish,
 951     test_emission_unhandled_teardown,
 952     test_emission_unhandled_print_result
 953   },
 954   {
 955     "emit-handled",
 956     GINT_TO_POINTER (COMPLEX_SIGNAL),
 957     test_emission_handled_setup,
 958     test_emission_handled_init,
 959     test_emission_run,
 960     test_emission_handled_finish,
 961     test_emission_handled_teardown,
 962     test_emission_handled_print_result
 963   },
 964   {
 965     "emit-handled-empty",
 966     GINT_TO_POINTER (COMPLEX_SIGNAL_EMPTY),
 967     test_emission_handled_setup,
 968     test_emission_handled_init,
 969     test_emission_run,
 970     test_emission_handled_finish,
 971     test_emission_handled_teardown,
 972     test_emission_handled_print_result
 973   },
 974   {
 975     "emit-handled-generic",
 976     GINT_TO_POINTER (COMPLEX_SIGNAL_GENERIC),
 977     test_emission_handled_setup,
 978     test_emission_handled_init,
 979     test_emission_run,
 980     test_emission_handled_finish,
 981     test_emission_handled_teardown,
 982     test_emission_handled_print_result
 983   },
 984   {
 985     "emit-handled-generic-empty",
 986     GINT_TO_POINTER (COMPLEX_SIGNAL_GENERIC_EMPTY),
 987     test_emission_handled_setup,
 988     test_emission_handled_init,
 989     test_emission_run,
 990     test_emission_handled_finish,
 991     test_emission_handled_teardown,
 992     test_emission_handled_print_result
 993   },
 994   {
 995     "emit-handled-args",
 996     GINT_TO_POINTER (COMPLEX_SIGNAL_ARGS),
 997     test_emission_handled_setup,
 998     test_emission_handled_init,
 999     test_emission_run_args,
1000     test_emission_handled_finish,
1001     test_emission_handled_teardown,
1002     test_emission_handled_print_result
1003   },
1004   {
1005     "refcount",
1006     NULL,
1007     test_refcount_setup,
1008     test_refcount_init,
1009     test_refcount_run,
1010     test_refcount_finish,
1011     test_refcount_teardown,
1012     test_refcount_print_result
1013   }
1014 };
1015
1016 static PerformanceTest *
1017 find_test (const char *name)
1018 {
1019   int i;
1020   for (i = 0; i < G_N_ELEMENTS (tests); i++)
1021     {
1022       if (strcmp (tests[i].name, name) == 0)
1023         return &tests[i];
1024     }
1025   return NULL;
1026 }
1027 int
1028 main (int   argc,
1029       char *argv[])
1030 {
1031   PerformanceTest *test;
1032   GOptionContext *context;
1033   GError *error = NULL;
1034   int i;
1035
1036   context = g_option_context_new ("GObject performance tests");
1037   g_option_context_add_main_entries (context, cmd_entries, NULL);
1038   if (!g_option_context_parse (context, &argc, &argv, &error))
1039     {
1040       g_printerr ("%s: %s\n", argv[0], error->message);
1041       return 1;
1042     }
1043
1044   if (argc > 1)
1045     {
1046       for (i = 1; i < argc; i++)
1047         {
1048           test = find_test (argv[i]);
1049           if (test)
1050             run_test (test);
1051         }
1052     }
1053   else
1054     {
1055       for (i = 0; i < G_N_ELEMENTS (tests); i++)
1056         run_test (&tests[i]);
1057     }
1058
1059   return 0;
1060 }