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<title>V8 Benchmark Suite</title>
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<script type="text/javascript" src="crypto.js"></script>
<script type="text/javascript" src="raytrace.js"></script>
<script type="text/javascript" src="earley-boyer.js"></script>
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  <div class="title"><h1>V8 Benchmark Suite - version <span id="version">?</span></h1></div>
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      <td class="contents">
This page contains a suite of pure JavaScript benchmarks that we have
used to tune V8. The final score is computed as the geometric mean of
the individual results to make it independent of the running times of
the individual benchmarks and of a reference system (score
100). Scores are not comparable across benchmark suite versions and
higher scores means better performance: <em>Bigger is better!</em>

<ul>
<li><b>Richards</b><br/>OS kernel simulation benchmark, originally written in BCPL by Martin Richards (<i>539 lines</i>).</li>
<li><b>DeltaBlue</b><br/>One-way constraint solver, originally written in Smalltalk by John Maloney and Mario Wolczko (<i>880 lines</i>).</li>
<li><b>Crypto</b><br/>Encryption and decryption benchmark based on code by Tom Wu (<i>1689 lines</i>).</li>
<li><b>RayTrace</b><br/>Ray tracer benchmark based on code by <a href="http://flog.co.nz/">Adam Burmister</a> (<i>3418 lines</i>).</li>
<li><b>EarleyBoyer</b><br/>Classic Scheme benchmarks, translated to JavaScript by Florian Loitsch's Scheme2Js compiler (<i>4682 lines</i>).</li>
</ul>

<div class="title"><h2>Revisions of the benchmark suite</h2></div>

<p><i>Please note that benchmark results are not comparable unless both
results are run with the same revision of the benchmark suite.  We will be
making revisions from time to time in order to fix bugs or expand the scope
of the benchmark suite.</i></p>

<div class="title"><h3>Version 1</h3></div>

<p>Initial release.</p>

<div class="title"><h3>Version 2</h3></div>

<p>For version 2 the crypto benchmark was fixed.  Previously, the
decryption stage was given plaintext as input, which resulted in an
error.  Now, the decryption stage is given the output of the
encryption stage as input.  The result is checked against the original
plaintext.  For this to give the correct results the crypto objects
are reset for each iteration of the benchmark.  In addition, the size
of the plain text has been increased a little and the use of
Math.random() and new Date() to build an RNG pool has been
removed. </p>

<p>Other benchmarks were fixed to do elementary verification of the
results of their calculations.  This is to avoid accidentally
obtaining scores that are the result of an incorrect JavaScript engine
optimization.</p>


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  <div id="status" style="text-align: center; margin-top: 75px; font-size: 120%; font-weight: bold;">Starting...</div>
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