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# Copyright 2012 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Runs Octane 2.0 javascript benchmark.
Octane 2.0 is a modern benchmark that measures a JavaScript engine's performance
by running a suite of tests representative of today's complex and demanding web
applications. Octane's goal is to measure the performance of JavaScript code
found in large, real-world web applications.
Octane 2.0 consists of 17 tests, four more than Octane v1.
"""
import os
from core import perf_benchmark
from telemetry import page as page_module
from telemetry.page import page_test
from telemetry import story
from telemetry.util import statistics
from telemetry.value import scalar
from metrics import power
_GB = 1024 * 1024 * 1024
DESCRIPTIONS = {
'CodeLoad':
'Measures how quickly a JavaScript engine can start executing code '
'after loading a large JavaScript program, social widget being a '
'common example. The source for test is derived from open source '
'libraries (Closure, jQuery) (1,530 lines).',
'Crypto':
'Encryption and decryption benchmark based on code by Tom Wu '
'(1698 lines).',
'DeltaBlue':
'One-way constraint solver, originally written in Smalltalk by John '
'Maloney and Mario Wolczko (880 lines).',
'EarleyBoyer':
'Classic Scheme benchmarks, translated to JavaScript by Florian '
'Loitsch\'s Scheme2Js compiler (4684 lines).',
'Gameboy':
'Emulate the portable console\'s architecture and runs a demanding 3D '
'simulation, all in JavaScript (11,097 lines).',
'Mandreel':
'Runs the 3D Bullet Physics Engine ported from C++ to JavaScript via '
'Mandreel (277,377 lines).',
'NavierStokes':
'2D NavierStokes equations solver, heavily manipulates double '
'precision arrays. Based on Oliver Hunt\'s code (387 lines).',
'PdfJS':
'Mozilla\'s PDF Reader implemented in JavaScript. It measures decoding '
'and interpretation time (33,056 lines).',
'RayTrace':
'Ray tracer benchmark based on code by Adam Burmister (904 lines).',
'RegExp':
'Regular expression benchmark generated by extracting regular '
'expression operations from 50 of the most popular web pages '
'(1761 lines).',
'Richards':
'OS kernel simulation benchmark, originally written in BCPL by Martin '
'Richards (539 lines).',
'Splay':
'Data manipulation benchmark that deals with splay trees and exercises '
'the automatic memory management subsystem (394 lines).',
}
class _OctaneMeasurement(page_test.PageTest):
def __init__(self):
super(_OctaneMeasurement, self).__init__()
self._power_metric = None
def CustomizeBrowserOptions(self, options):
power.PowerMetric.CustomizeBrowserOptions(options)
def WillStartBrowser(self, platform):
self._power_metric = power.PowerMetric(platform)
def WillNavigateToPage(self, page, tab):
memory_stats = tab.browser.memory_stats
if ('SystemTotalPhysicalMemory' in memory_stats and
memory_stats['SystemTotalPhysicalMemory'] < 1 * _GB):
skipBenchmarks = '"zlib"'
else:
skipBenchmarks = ''
page.script_to_evaluate_on_commit = """
var __results = [];
var __real_log = window.console.log;
window.console.log = function(msg) {
__results.push(msg);
__real_log.apply(this, [msg]);
}
skipBenchmarks = [%s]
""" % (skipBenchmarks)
def DidNavigateToPage(self, page, tab):
self._power_metric.Start(page, tab)
def ValidateAndMeasurePage(self, page, tab, results):
tab.WaitForJavaScriptExpression('window.completed', 10)
tab.WaitForJavaScriptExpression(
'!document.getElementById("progress-bar-container")', 1200)
self._power_metric.Stop(page, tab)
self._power_metric.AddResults(tab, results)
results_log = tab.EvaluateJavaScript('__results')
all_scores = []
for output in results_log:
# Split the results into score and test name.
# results log e.g., "Richards: 18343"
score_and_name = output.split(': ', 2)
assert len(score_and_name) == 2, \
'Unexpected result format "%s"' % score_and_name
if 'Skipped' not in score_and_name[1]:
name = score_and_name[0]
score = float(score_and_name[1])
results.AddValue(scalar.ScalarValue(
results.current_page, name, 'score', score, important=False,
description=DESCRIPTIONS.get(name)))
# Collect all test scores to compute geometric mean.
all_scores.append(score)
total = statistics.GeometricMean(all_scores)
results.AddSummaryValue(
scalar.ScalarValue(None, 'Total.Score', 'score', total,
description='Geometric mean of the scores of each '
'individual benchmark in the Octane '
'benchmark collection.'))
class Octane(perf_benchmark.PerfBenchmark):
"""Google's Octane JavaScript benchmark.
http://octane-benchmark.googlecode.com/svn/latest/index.html
"""
test = _OctaneMeasurement
@classmethod
def Name(cls):
return 'octane'
def CreateStorySet(self, options):
ps = story.StorySet(
archive_data_file='../page_sets/data/octane.json',
base_dir=os.path.dirname(os.path.abspath(__file__)),
cloud_storage_bucket=story.PUBLIC_BUCKET)
ps.AddStory(page_module.Page(
'http://octane-benchmark.googlecode.com/svn/latest/index.html?auto=1',
ps, ps.base_dir, make_javascript_deterministic=False))
return ps
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