tools/perf/benchmarks/spaceport.py

   1 # Copyright 2012 The Chromium Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4
   5 """Runs spaceport.io's PerfMarks benchmark."""
   6
   7 import logging
   8 import os
   9
  10 from core import perf_benchmark
  11
  12 from telemetry import benchmark
  13 from telemetry.core import util
  14 from telemetry import page as page_module
  15 from telemetry.page import page_test
  16 from telemetry import story
  17 from telemetry.value import list_of_scalar_values
  18 from telemetry.value import scalar
  19
  20 DESCRIPTIONS = {
  21     'canvasDrawImageFullClear':
  22         'Using a canvas element to render. Bitmaps are blitted to the canvas '
  23         'using the "drawImage" function and the canvas is fully cleared at '
  24         'the beginning of each frame.',
  25     'canvasDrawImageFullClearAlign':
  26         'Same as canvasDrawImageFullClear except all "x" and "y" values are '
  27         'rounded to the nearest integer. This can be more efficient on '
  28         'translate on certain browsers.',
  29     'canvasDrawImagePartialClear':
  30         'Using a canvas element to render. Bitmaps are blitted to the canvas '
  31         'using the "drawImage" function and pixels drawn in the last frame '
  32         'are cleared to the clear color at the beginning of each frame. '
  33         'This is generally slower on hardware accelerated implementations, '
  34         'but sometimes faster on CPU-based implementations.',
  35     'canvasDrawImagePartialClearAlign':
  36         'Same as canvasDrawImageFullClearAlign but only partially clearing '
  37         'the canvas each frame.',
  38     'css2dBackground':
  39         'Using div elements that have a background image specified using CSS '
  40         'styles. These div elements are translated, scaled, and rotated using '
  41         'CSS-2D transforms.',
  42     'css2dImg':
  43         'Same as css2dBackground, but using img elements instead of div '
  44         'elements.',
  45     'css3dBackground':
  46         'Same as css2dBackground, but using CSS-3D transforms.',
  47     'css3dImg':
  48         'Same as css2dImage but using CSS-3D tranforms.',
  49 }
  50
  51
  52 class _SpaceportMeasurement(page_test.PageTest):
  53   def __init__(self):
  54     super(_SpaceportMeasurement, self).__init__()
  55
  56   def CustomizeBrowserOptions(self, options):
  57     options.AppendExtraBrowserArgs('--disable-gpu-vsync')
  58
  59   def ValidateAndMeasurePage(self, page, tab, results):
  60     tab.WaitForJavaScriptExpression(
  61         '!document.getElementById("start-performance-tests").disabled', 60)
  62
  63     tab.ExecuteJavaScript("""
  64         window.__results = {};
  65         window.console.log = function(str) {
  66             if (!str) return;
  67             var key_val = str.split(': ');
  68             if (!key_val.length == 2) return;
  69             __results[key_val[0]] = key_val[1];
  70         };
  71         document.getElementById('start-performance-tests').click();
  72         """)
  73
  74     num_results = 0
  75     num_tests_in_spaceport = 24
  76     while num_results < num_tests_in_spaceport:
  77       tab.WaitForJavaScriptExpression(
  78           'Object.keys(window.__results).length > %d' % num_results, 180)
  79       num_results = tab.EvaluateJavaScript(
  80           'Object.keys(window.__results).length')
  81       logging.info('Completed test %d of %d' %
  82                    (num_results, num_tests_in_spaceport))
  83
  84     result_dict = eval(tab.EvaluateJavaScript(
  85         'JSON.stringify(window.__results)'))
  86     for key in result_dict:
  87       chart, trace = key.split('.', 1)
  88       results.AddValue(scalar.ScalarValue(
  89           results.current_page, '%s.%s'% (chart, trace),
  90           'objects (bigger is better)', float(result_dict[key]),
  91           important=False, description=DESCRIPTIONS.get(chart)))
  92     results.AddValue(list_of_scalar_values.ListOfScalarValues(
  93         results.current_page, 'Score', 'objects (bigger is better)',
  94         [float(x) for x in result_dict.values()],
  95         description='Combined score for all parts of the spaceport benchmark.'))
  96
  97
  98 # crbug.com/166703: This test frequently times out on Windows.
  99 @benchmark.Disabled('mac', 'win')
 100 class Spaceport(perf_benchmark.PerfBenchmark):
 101   """spaceport.io's PerfMarks benchmark.
 102
 103   http://spaceport.io/community/perfmarks
 104
 105   This test performs 3 animations (rotate, translate, scale) using a variety of
 106   methods (css, webgl, canvas, etc) and reports the number of objects that can
 107   be simultaneously animated while still achieving 30FPS.
 108   """
 109   test = _SpaceportMeasurement
 110
 111   @classmethod
 112   def Name(cls):
 113     return 'spaceport'
 114
 115   def CreateStorySet(self, options):
 116     spaceport_dir = os.path.join(util.GetChromiumSrcDir(), 'chrome', 'test',
 117         'data', 'third_party', 'spaceport')
 118     ps = story.StorySet(base_dir=spaceport_dir)
 119     ps.AddStory(page_module.Page('file://index.html', ps, ps.base_dir))
 120     return ps