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Diffstat (limited to 'libs/cairo-1.16.0/perf/cairo-perf-micro.c')
-rw-r--r--libs/cairo-1.16.0/perf/cairo-perf-micro.c594
1 files changed, 0 insertions, 594 deletions
diff --git a/libs/cairo-1.16.0/perf/cairo-perf-micro.c b/libs/cairo-1.16.0/perf/cairo-perf-micro.c
deleted file mode 100644
index d6b52c4..0000000
--- a/libs/cairo-1.16.0/perf/cairo-perf-micro.c
+++ /dev/null
@@ -1,594 +0,0 @@
-/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */
-/*
- * Copyright © 2006 Mozilla Corporation
- * Copyright © 2006 Red Hat, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software
- * and its documentation for any purpose is hereby granted without
- * fee, provided that the above copyright notice appear in all copies
- * and that both that copyright notice and this permission notice
- * appear in supporting documentation, and that the name of
- * the authors not be used in advertising or publicity pertaining to
- * distribution of the software without specific, written prior
- * permission. The authors make no representations about the
- * suitability of this software for any purpose. It is provided "as
- * is" without express or implied warranty.
- *
- * THE AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
- * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL,
- * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
- * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
- * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- * Authors: Vladimir Vukicevic <vladimir@pobox.com>
- * Carl Worth <cworth@cworth.org>
- */
-
-#define _GNU_SOURCE 1 /* for sched_getaffinity() */
-
-#include "../cairo-version.h" /* for the real version */
-
-#include "cairo-perf.h"
-#include "cairo-stats.h"
-
-#include "cairo-boilerplate-getopt.h"
-
-/* For basename */
-#ifdef HAVE_LIBGEN_H
-#include <libgen.h>
-#endif
-
-#if HAVE_FCFINI
-#include <fontconfig/fontconfig.h>
-#endif
-
-#ifdef HAVE_SCHED_H
-#include <sched.h>
-#endif
-
-#define CAIRO_PERF_ITERATIONS_DEFAULT 100
-#define CAIRO_PERF_LOW_STD_DEV 0.03
-#define CAIRO_PERF_STABLE_STD_DEV_COUNT 5
-#define CAIRO_PERF_ITERATION_MS_DEFAULT 2000
-#define CAIRO_PERF_ITERATION_MS_FAST 5
-
-typedef struct _cairo_perf_case {
- CAIRO_PERF_RUN_DECL (*run);
- cairo_bool_t (*enabled) (cairo_perf_t *perf);
- unsigned int min_size;
- unsigned int max_size;
-} cairo_perf_case_t;
-
-const cairo_perf_case_t perf_cases[];
-
-static const char *
-_content_to_string (cairo_content_t content,
- cairo_bool_t similar)
-{
- switch (content|similar) {
- case CAIRO_CONTENT_COLOR:
- return "rgb";
- case CAIRO_CONTENT_COLOR|1:
- return "rgb&";
- case CAIRO_CONTENT_ALPHA:
- return "a";
- case CAIRO_CONTENT_ALPHA|1:
- return "a&";
- case CAIRO_CONTENT_COLOR_ALPHA:
- return "rgba";
- case CAIRO_CONTENT_COLOR_ALPHA|1:
- return "rgba&";
- default:
- return "<unknown_content>";
- }
-}
-
-static cairo_bool_t
-cairo_perf_has_similar (cairo_perf_t *perf)
-{
- cairo_surface_t *target;
-
- if (getenv ("CAIRO_TEST_SIMILAR") == NULL)
- return FALSE;
-
- /* exclude the image backend */
- target = cairo_get_target (perf->cr);
- if (cairo_surface_get_type (target) == CAIRO_SURFACE_TYPE_IMAGE)
- return FALSE;
-
- return TRUE;
-}
-
-cairo_bool_t
-cairo_perf_can_run (cairo_perf_t *perf,
- const char *name,
- cairo_bool_t *is_explicit)
-{
- unsigned int i;
-
- if (is_explicit)
- *is_explicit = FALSE;
-
- if (perf->num_names == 0)
- return TRUE;
-
- for (i = 0; i < perf->num_names; i++) {
- if (strstr (name, perf->names[i])) {
- if (is_explicit)
- *is_explicit = FALSE;
- return TRUE;
- }
- }
-
- return FALSE;
-}
-
-static unsigned
-cairo_perf_calibrate (cairo_perf_t *perf,
- cairo_perf_func_t perf_func)
-{
- cairo_time_t calibration, calibration_max;
- unsigned loops, min_loops;
-
- min_loops = 1;
- calibration = perf_func (perf->cr, perf->size, perf->size, min_loops);
-
- if (!perf->fast_and_sloppy) {
- calibration_max = _cairo_time_from_s (perf->ms_per_iteration * 0.0001 / 4);
- while (calibration < calibration_max) {
- min_loops *= 2;
- calibration = perf_func (perf->cr, perf->size, perf->size, min_loops);
- }
- }
-
- /* XXX
- * Compute the number of loops required for the timing
- * interval to be perf->ms_per_iteration milliseconds. This
- * helps to eliminate sampling variance due to timing and
- * other systematic errors. However, it also hides
- * synchronisation overhead as we attempt to process a large
- * batch of identical operations in a single shot. This can be
- * considered both good and bad... It would be good to perform
- * a more rigorous analysis of the synchronisation overhead,
- * that is to estimate the time for loop=0.
- */
- loops = _cairo_time_from_s (perf->ms_per_iteration * 0.001 * min_loops / calibration);
- min_loops = perf->fast_and_sloppy ? 1 : 10;
- if (loops < min_loops)
- loops = min_loops;
-
- return loops;
-}
-
-void
-cairo_perf_run (cairo_perf_t *perf,
- const char *name,
- cairo_perf_func_t perf_func,
- cairo_count_func_t count_func)
-{
- static cairo_bool_t first_run = TRUE;
- unsigned int i, similar, similar_iters;
- cairo_time_t *times;
- cairo_stats_t stats = {0.0, 0.0};
- int low_std_dev_count;
-
- if (perf->list_only) {
- printf ("%s\n", name);
- return;
- }
-
- if (first_run) {
- if (perf->raw) {
- printf ("[ # ] %s.%-s %s %s %s ...\n",
- "backend", "content", "test-size", "ticks-per-ms", "time(ticks)");
- }
-
- if (perf->summary) {
- fprintf (perf->summary,
- "[ # ] %8s.%-4s %28s %8s %8s %5s %5s %s %s\n",
- "backend", "content", "test-size", "min(ticks)", "min(ms)", "median(ms)",
- "stddev.", "iterations", "overhead");
- }
- first_run = FALSE;
- }
-
- times = perf->times;
-
- if (getenv ("CAIRO_PERF_OUTPUT") != NULL) { /* check output */
- char *filename;
- cairo_status_t status;
-
- xasprintf (&filename, "%s.%s.%s.%d.out.png",
- name, perf->target->name,
- _content_to_string (perf->target->content, 0),
- perf->size);
- cairo_save (perf->cr);
- perf_func (perf->cr, perf->size, perf->size, 1);
- cairo_restore (perf->cr);
- status = cairo_surface_write_to_png (cairo_get_target (perf->cr), filename);
- if (status) {
- fprintf (stderr, "Failed to generate output check '%s': %s\n",
- filename, cairo_status_to_string (status));
- return;
- }
-
- free (filename);
- }
-
- if (cairo_perf_has_similar (perf))
- similar_iters = 2;
- else
- similar_iters = 1;
-
- for (similar = 0; similar < similar_iters; similar++) {
- unsigned loops;
-
- if (perf->summary) {
- fprintf (perf->summary,
- "[%3d] %8s.%-5s %26s.%-3d ",
- perf->test_number, perf->target->name,
- _content_to_string (perf->target->content, similar),
- name, perf->size);
- fflush (perf->summary);
- }
-
- /* We run one iteration in advance to warm caches and calibrate. */
- cairo_perf_yield ();
- if (similar)
- cairo_push_group_with_content (perf->cr,
- cairo_boilerplate_content (perf->target->content));
- else
- cairo_save (perf->cr);
- perf_func (perf->cr, perf->size, perf->size, 1);
- loops = cairo_perf_calibrate (perf, perf_func);
- if (similar)
- cairo_pattern_destroy (cairo_pop_group (perf->cr));
- else
- cairo_restore (perf->cr);
-
- low_std_dev_count = 0;
- for (i =0; i < perf->iterations; i++) {
- cairo_perf_yield ();
- if (similar)
- cairo_push_group_with_content (perf->cr,
- cairo_boilerplate_content (perf->target->content));
- else
- cairo_save (perf->cr);
- times[i] = perf_func (perf->cr, perf->size, perf->size, loops) ;
- if (similar)
- cairo_pattern_destroy (cairo_pop_group (perf->cr));
- else
- cairo_restore (perf->cr);
- if (perf->raw) {
- if (i == 0)
- printf ("[*] %s.%s %s.%d %g",
- perf->target->name,
- _content_to_string (perf->target->content, similar),
- name, perf->size,
- _cairo_time_to_double (_cairo_time_from_s (1.)) / 1000.);
- printf (" %lld", (long long) (times[i] / (double) loops));
- } else if (! perf->exact_iterations) {
- if (i > 0) {
- _cairo_stats_compute (&stats, times, i+1);
-
- if (stats.std_dev <= CAIRO_PERF_LOW_STD_DEV) {
- low_std_dev_count++;
- if (low_std_dev_count >= CAIRO_PERF_STABLE_STD_DEV_COUNT)
- break;
- } else {
- low_std_dev_count = 0;
- }
- }
- }
- }
-
- if (perf->raw)
- printf ("\n");
-
- if (perf->summary) {
- _cairo_stats_compute (&stats, times, i);
- if (count_func != NULL) {
- double count = count_func (perf->cr, perf->size, perf->size);
- fprintf (perf->summary,
- "%.3f [%10lld/%d] %#8.3f %#8.3f %#5.2f%% %3d: %.2f\n",
- stats.min_ticks /(double) loops,
- (long long) stats.min_ticks, loops,
- _cairo_time_to_s (stats.min_ticks) * 1000.0 / loops,
- _cairo_time_to_s (stats.median_ticks) * 1000.0 / loops,
- stats.std_dev * 100.0, stats.iterations,
- count / _cairo_time_to_s (stats.min_ticks));
- } else {
- fprintf (perf->summary,
- "%.3f [%10lld/%d] %#8.3f %#8.3f %#5.2f%% %3d\n",
- stats.min_ticks /(double) loops,
- (long long) stats.min_ticks, loops,
- _cairo_time_to_s (stats.min_ticks) * 1000.0 / loops,
- _cairo_time_to_s (stats.median_ticks) * 1000.0 / loops,
- stats.std_dev * 100.0, stats.iterations);
- }
- fflush (perf->summary);
- }
-
- perf->test_number++;
- }
-}
-
-static void
-usage (const char *argv0)
-{
- fprintf (stderr,
-"Usage: %s [-flrv] [-i iterations] [test-names ...]\n"
-"\n"
-"Run the cairo performance test suite over the given tests (all by default)\n"
-"The command-line arguments are interpreted as follows:\n"
-"\n"
-" -f fast; faster, less accurate\n"
-" -i iterations; specify the number of iterations per test case\n"
-" -l list only; just list selected test case names without executing\n"
-" -r raw; display each time measurement instead of summary statistics\n"
-" -v verbose; in raw mode also show the summaries\n"
-"\n"
-"If test names are given they are used as sub-string matches so a command\n"
-"such as \"%s text\" can be used to run all text test cases.\n",
- argv0, argv0);
-}
-
-static void
-parse_options (cairo_perf_t *perf,
- int argc,
- char *argv[])
-{
- int c;
- const char *iters;
- const char *ms = NULL;
- char *end;
- int verbose = 0;
-
- if ((iters = getenv("CAIRO_PERF_ITERATIONS")) && *iters)
- perf->iterations = strtol(iters, NULL, 0);
- else
- perf->iterations = CAIRO_PERF_ITERATIONS_DEFAULT;
- perf->exact_iterations = 0;
-
- perf->fast_and_sloppy = FALSE;
- perf->ms_per_iteration = CAIRO_PERF_ITERATION_MS_DEFAULT;
- if ((ms = getenv("CAIRO_PERF_ITERATION_MS")) && *ms) {
- perf->ms_per_iteration = atof(ms);
- }
-
- perf->raw = FALSE;
- perf->list_only = FALSE;
- perf->names = NULL;
- perf->num_names = 0;
- perf->summary = stdout;
-
- while (1) {
- c = _cairo_getopt (argc, argv, "fi:lrv");
- if (c == -1)
- break;
-
- switch (c) {
- case 'f':
- perf->fast_and_sloppy = TRUE;
- if (ms == NULL)
- perf->ms_per_iteration = CAIRO_PERF_ITERATION_MS_FAST;
- break;
- case 'i':
- perf->exact_iterations = TRUE;
- perf->iterations = strtoul (optarg, &end, 10);
- if (*end != '\0') {
- fprintf (stderr, "Invalid argument for -i (not an integer): %s\n",
- optarg);
- exit (1);
- }
- break;
- case 'l':
- perf->list_only = TRUE;
- break;
- case 'r':
- perf->raw = TRUE;
- perf->summary = NULL;
- break;
- case 'v':
- verbose = 1;
- break;
- default:
- fprintf (stderr, "Internal error: unhandled option: %c\n", c);
- /* fall-through */
- case '?':
- usage (argv[0]);
- exit (1);
- }
- }
-
- if (verbose && perf->summary == NULL)
- perf->summary = stderr;
-
- if (optind < argc) {
- perf->names = &argv[optind];
- perf->num_names = argc - optind;
- }
-}
-
-static int
-check_cpu_affinity (void)
-{
-#ifdef HAVE_SCHED_GETAFFINITY
-
- cpu_set_t affinity;
- int i, cpu_count;
-
- if (sched_getaffinity(0, sizeof(affinity), &affinity)) {
- perror("sched_getaffinity");
- return -1;
- }
-
- for(i = 0, cpu_count = 0; i < CPU_SETSIZE; ++i) {
- if (CPU_ISSET(i, &affinity))
- ++cpu_count;
- }
-
- if (cpu_count > 1) {
- fputs(
- "WARNING: cairo-perf has not been bound to a single CPU.\n",
- stderr);
- return -1;
- }
-
- return 0;
-#else
- fputs(
- "WARNING: Cannot check CPU affinity for this platform.\n",
- stderr);
- return -1;
-#endif
-}
-
-static void
-cairo_perf_fini (cairo_perf_t *perf)
-{
- cairo_boilerplate_free_targets (perf->targets);
- cairo_boilerplate_fini ();
-
- free (perf->times);
- cairo_debug_reset_static_data ();
-#if HAVE_FCFINI
- FcFini ();
-#endif
-}
-
-
-int
-main (int argc,
- char *argv[])
-{
- int i, j;
- cairo_perf_t perf;
- cairo_surface_t *surface;
-
- parse_options (&perf, argc, argv);
-
- if (check_cpu_affinity()) {
- fputs(
- "NOTICE: cairo-perf and the X server should be bound to CPUs (either the same\n"
- "or separate) on SMP systems. Not doing so causes random results when the X\n"
- "server is moved to or from cairo-perf's CPU during the benchmarks:\n"
- "\n"
- " $ sudo taskset -cp 0 $(pidof X)\n"
- " $ taskset -cp 1 $$\n"
- "\n"
- "See taskset(1) for information about changing CPU affinity.\n",
- stderr);
- }
-
- perf.targets = cairo_boilerplate_get_targets (&perf.num_targets, NULL);
- perf.times = xmalloc (perf.iterations * sizeof (cairo_time_t));
-
- for (i = 0; i < perf.num_targets; i++) {
- const cairo_boilerplate_target_t *target = perf.targets[i];
-
- if (! target->is_measurable)
- continue;
-
- perf.target = target;
- perf.test_number = 0;
-
- for (j = 0; perf_cases[j].run; j++) {
- const cairo_perf_case_t *perf_case = &perf_cases[j];
-
- if (! perf_case->enabled (&perf))
- continue;
-
- for (perf.size = perf_case->min_size;
- perf.size <= perf_case->max_size;
- perf.size *= 2)
- {
- void *closure;
-
- surface = (target->create_surface) (NULL,
- target->content,
- perf.size, perf.size,
- perf.size, perf.size,
- CAIRO_BOILERPLATE_MODE_PERF,
- &closure);
- if (surface == NULL) {
- fprintf (stderr,
- "Error: Failed to create target surface: %s\n",
- target->name);
- continue;
- }
-
- cairo_perf_timer_set_synchronize (target->synchronize, closure);
-
- perf.cr = cairo_create (surface);
-
- perf_case->run (&perf, perf.cr, perf.size, perf.size);
-
- if (cairo_status (perf.cr)) {
- fprintf (stderr, "Error: Test left cairo in an error state: %s\n",
- cairo_status_to_string (cairo_status (perf.cr)));
- }
-
- cairo_destroy (perf.cr);
- cairo_surface_destroy (surface);
-
- if (target->cleanup)
- target->cleanup (closure);
- }
- }
- }
-
- cairo_perf_fini (&perf);
-
- return 0;
-}
-
-#define FUNC(f) f, f##_enabled
-const cairo_perf_case_t perf_cases[] = {
- { FUNC(pixel), 1, 1 },
- { FUNC(a1_pixel), 1, 1 },
- { FUNC(paint), 64, 512},
- { FUNC(paint_with_alpha), 64, 512},
- { FUNC(fill), 64, 512},
- { FUNC(stroke), 64, 512},
- { FUNC(text), 64, 512},
- { FUNC(glyphs), 64, 512},
- { FUNC(mask), 64, 512},
- { FUNC(line), 32, 512},
- { FUNC(a1_line), 32, 512},
- { FUNC(curve), 32, 512},
- { FUNC(a1_curve), 32, 512},
- { FUNC(disjoint), 64, 512},
- { FUNC(hatching), 64, 512},
- { FUNC(tessellate), 100, 100},
- { FUNC(subimage_copy), 16, 512},
- { FUNC(hash_table), 16, 16},
- { FUNC(pattern_create_radial), 16, 16},
- { FUNC(zrusin), 415, 415},
- { FUNC(world_map), 800, 800},
- { FUNC(box_outline), 100, 100},
- { FUNC(mosaic), 800, 800 },
- { FUNC(long_lines), 100, 100},
- { FUNC(unaligned_clip), 100, 100},
- { FUNC(rectangles), 512, 512},
- { FUNC(rounded_rectangles), 512, 512},
- { FUNC(long_dashed_lines), 512, 512},
- { FUNC(composite_checker), 16, 512},
- { FUNC(twin), 800, 800},
- { FUNC(dragon), 1024, 1024 },
- { FUNC(sierpinski), 32, 1024 },
- { FUNC(pythagoras_tree), 768, 768 },
- { FUNC(intersections), 512, 512 },
- { FUNC(many_strokes), 32, 512 },
- { FUNC(wide_strokes), 32, 512 },
- { FUNC(many_fills), 32, 512 },
- { FUNC(wide_fills), 32, 512 },
- { FUNC(many_curves), 32, 512 },
- { FUNC(spiral), 512, 512 },
- { FUNC(wave), 500, 500 },
- { FUNC(fill_clip), 16, 512 },
- { FUNC(tiger), 16, 1024 },
- { NULL }
-};
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