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| +<html>
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| +<head>
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| +<title>V8 Benchmark Suite Revisions</title>
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| +<link type="text/css" rel="stylesheet" href="style.css" />
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| +</head>
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| +<body>
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| +<div>
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| + <div class="title"><h1>V8 Benchmark Suite Revisions</h1></div>
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| + <table>
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| + <tr>
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| + <td class="contents">
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| +
|
| +<p>
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| +
|
| +The V8 benchmark suite is changed from time to time as we fix bugs or
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| +expand the scope of the benchmarks. Here is a list of revisions, with
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| +a description of the changes made. Note that benchmark results are
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| +not comparable unless both results are run with the same revision of
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| +the benchmark suite.
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| +
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| +</p>
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| +
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| +<div class="subtitle"><h3>Version 6 (<a href="http://v8.googlecode.com/svn/data/benchmarks/v6/run.html">link</a>)</h3></div>
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| +
|
| +<p>Removed dead code from the RayTrace benchmark and fixed a couple of
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| +typos in the DeltaBlue implementation. Changed the Splay benchmark to
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| +avoid converting the same numeric key to a string over and over again
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| +and to avoid inserting and removing the same element repeatedly thus
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| +increasing pressure on the memory subsystem. Changed the RegExp
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| +benchmark to exercise the regular expression engine on different input
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| +strings.</p>
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| +
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| +<p>Furthermore, the benchmark runner was changed to run the benchmarks
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| +for at least a few times to stabilize the reported numbers on slower
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| +machines.</p>
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| +
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| +<div class="subtitle"><h3>Version 5 (<a href="http://v8.googlecode.com/svn/data/benchmarks/v5/run.html">link</a>)</h3></div>
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| +
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| +<p>Removed duplicate line in random seed code, and changed the name of
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| +the Object.prototype.inherits function in the DeltaBlue benchmark to
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| +inheritsFrom to avoid name clashes when running in Chromium with
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| +extensions enabled.
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| +</p>
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| +
|
| +<div class="subtitle"><h3>Version 4 (<a href="http://v8.googlecode.com/svn/data/benchmarks/v4/run.html">link</a>)</h3></div>
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| +
|
| +<p>The <i>Splay</i> benchmark is a newcomer in version 4. It
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| +manipulates a splay tree by adding and removing data nodes, thus
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| +exercising the memory management subsystem of the JavaScript engine.
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| +</p>
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| +
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| +<p>
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| +Furthermore, all the unused parts of the Prototype library were
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| +removed from the RayTrace benchmark. This does not affect the running
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| +of the benchmark.
|
| +</p>
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| +
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| +
|
| +<div class="subtitle"><h3>Version 3 (<a href="http://v8.googlecode.com/svn/data/benchmarks/v3/run.html">link</a>)</h3></div>
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| +
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| +<p>Version 3 adds a new benchmark, <i>RegExp</i>. The RegExp
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| +benchmark is generated by loading 50 of the most popular pages on the
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| +web and logging all regexp operations performed. Each operation is
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| +given a weight that is calculated from an estimate of the popularity
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| +of the pages where it occurs and the number of times it is executed
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| +while loading each page. Finally the literal letters in the data are
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| +encoded using ROT13 in a way that does not affect how the regexps
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| +match their input.
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| +</p>
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| +
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| +
|
| +<div class="subtitle"><h3>Version 2 (<a href="http://v8.googlecode.com/svn/data/benchmarks/v2/run.html">link</a>)</h3></div>
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| +
|
| +<p>For version 2 the Crypto benchmark was fixed. Previously, the
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| +decryption stage was given plaintext as input, which resulted in an
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| +error. Now, the decryption stage is given the output of the
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| +encryption stage as input. The result is checked against the original
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| +plaintext. For this to give the correct results the crypto objects
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| +are reset for each iteration of the benchmark. In addition, the size
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| +of the plain text has been increased a little and the use of
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| +Math.random() and new Date() to build an RNG pool has been
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| +removed. </p>
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| +
|
| +<p>Other benchmarks were fixed to do elementary verification of the
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| +results of their calculations. This is to avoid accidentally
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| +obtaining scores that are the result of an incorrect JavaScript engine
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| +optimization.</p>
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| +
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| +
|
| +<div class="subtitle"><h3>Version 1 (<a href="http://v8.googlecode.com/svn/data/benchmarks/v1/run.html">link</a>)</h3></div>
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| +
|
| +<p>Initial release.</p>
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| +
|
| +</td><td style="text-align: center">
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| +</td></tr></table>
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| +
|
| +</div>
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| +
|
| +</body>
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| +</html>
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|
|
Chromium Code Reviews
Issue 7590027:
Adding version 6 of the v8 benchmark suite to chrome/test/data. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src