<!--
- Copyright (C) 2014 Apple Inc. All rights reserved.
+ Copyright (C) 2014, 2015 Apple Inc. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
JetStream includes benchmarks from the SunSpider 1.0.2 and Octane 2 JavaScript
benchmark suites. It also includes benchmarks from the LLVM compiler open source
project, compiled to JavaScript using Emscripten 1.13. It also includes a
- benchmark based on the Apache Harmony open source project's HashMap, hand-translated
- to JavaScript.
+ benchmark based on the Apache Harmony open source project's HashMap and a port of
+ the <a href="https://www.cs.purdue.edu/sss/projects/cdx/">CDx</a> benchmark,
+ hand-translated to JavaScript.
</p>
<p>
first-load, code-multi-load).
</p>
+ <p>
+ Note that scores from JetStream @VERSION@ are not comparable to scores from other versions
+ of JetStream.
+ </p>
+
<dl>
<a name="3d-cube">
<dd>Base64 encoder/decoder written in JavaScript, originally from the Mozilla XML-RPC client component. Tests string manipulation. This benchmark was previously published as part of SunSpider.
Source code: <a href="sources/base64.js">base64.js</a></dd>
+ <a name="cdjs">
+ <dt>cdjs</dt>
+ <dd>JavaScript implementation of the
+ <a href="https://www.cs.purdue.edu/sss/projects/cdx/">CDx collision detection
+ benchmark</a>. Measures the browser's worst-case performance over 200 collision
+ detection runs.
+ Source code: <a href="sources/cdjs-benchmark.js">benchmark.js</a>,
+ <a href="sources/cdjs-call_sign.js">call_sign.js</a>,
+ <a href="sources/cdjs-collision.js">collision.js</a>,
+ <a href="sources/cdjs-collision_detector.js">collision_detector.js</a>,
+ <a href="sources/cdjs-constants.js">constants.js</a>,
+ <a href="sources/cdjs-motion.js">motion.js</a>,
+ <a href="sources/cdjs-red_black_tree.js">red_black_tree.js</a>,
+ <a href="sources/cdjs-reduce_collision_set.js">reduce_collision_set.js</a>,
+ <a href="sources/cdjs-simulator.js">simulator.js</a>,
+ <a href="sources/cdjs-util.js">util.js</a>,
+ <a href="sources/cdjs-vector_2d.js">vector_2d.js</a>,
+ <a href="sources/cdjs-vector_3d.js">vector_3d.js</a></dd>
+
<a name="code-first-load">
<dt>code-first-load</dt>
<dd>Test of code load speed of the jQuery and Closure libraries. This test attempts to defeat
This test was previously published in Octane version 1.
Source code: <a href="sources/code-multi-load-code-load.js">code-load.js</a></dd>
- <a name="cordic">
- <dt>cordic</dt>
- <dd>JavaScript implementation of the
- <a href="http://en.wikipedia.org/wiki/CORDIC">CORDIC algorithm</a> by Rich Moore. Tests
- floating point math in short-running code.
- This benchmark was previously published as part of SunSpider.
- Source code: <a href="sources/cordic.js">cordic.js</a></dd>
-
<a name="crypto-aes">
<dt>crypto-aes</dt>
<dd><a href="http://en.wikipedia.org/wiki/Advanced_Encryption_Standard">Advanced Encryption
<a name="mandreel-latency">
<dt>mandreel-latency</dt>
- <dd>Tests the <a href="http://bulletphysics.org/">Bullet</a> physics engine's performance
- variability from iteration to iteration. This rewards JavaScript engines that have uniform
- performance over time. The physics engine is compiled to JavaScript with
+ <dd>Tests the <a href="http://bulletphysics.org/">Bullet</a> physics engine's worst case
+ performance over many iterations. The physics engine is compiled to JavaScript with
<a href="http://www.mandreel.com">Mandreel</a>. JetStream also reports the throughput score
for this test as <a href="#mandreel">mandreel</a>.
- This benchmark was previously published in Octane version 2.
+ This benchmark was previously published in Octane version 2, but JetStream uses a
+ <a href="http://trac.webkit.org/changeset/185425">different latency metric</a>
+ based on the average of the <a href="http://trac.webkit.org/changeset/186041">worst 0.5%</a>
+ samples.
Source code: <a href="sources/mandreel.js">mandreel.js</a></dd>
<a name="n-body">
<a name="splay-latency">
<dt>splay-latency</dt>
- <dd>Tests the performance variability of manipulating a
+ <dd>Tests the worst-case performane of manipulating a
<a href="http://en.wikipedia.org/wiki/Splay_tree">splay tree</a> represented using plain
JavaScript objects. JetStream also reports the throughput score for this test
- as <a href="#splay">splay</a>. This benchmark was previously published in Octane version 2.
+ as <a href="#splay">splay</a>. This benchmark was previously published in Octane version 2, but JetStream uses a
+ <a href="http://trac.webkit.org/changeset/185425">different latency metric</a>
+ based on the average of the <a href="http://trac.webkit.org/changeset/186041">worst 0.5%</a>
+ samples.
Source code: <a href="sources/splay.js">splay.js</a></dd>
<a name="tagcloud">
<dt>mandreel</dt>
<dd>Tests the <a href="http://bulletphysics.org/">Bullet</a> physics engine's throughput.
The physics engine is compiled to JavaScript with
- <a href="http://www.mandreel.com">Mandreel</a>. JetStream also reports the performance
- variability score
+ <a href="http://www.mandreel.com">Mandreel</a>. JetStream also reports the worst-case
+ performance score
for this test as <a href="#mandreel-latency">mandreel-latency</a>.
This benchmark was previously published in Octane version 2.
Source code: <a href="sources/mandreel.js">mandreel.js</a></dd>
<dt>splay</dt>
<dd>Tests the throughput of manipulating a
<a href="http://en.wikipedia.org/wiki/Splay_tree">splay tree</a> represented using plain
- JavaScript objects. JetStream also reports the variability score for this test
+ JavaScript objects. JetStream also reports the worst-case performance score for this test
as <a href="#splay-latency">splay-latency</a>.
This benchmark was previously published in Octane version 2.
Source code: <a href="sources/splay.js">splay.js</a></dd>
git://git.webkit.org / WebKit-https.git / commitdiff