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62 lines
2.3 KiB
62 lines
2.3 KiB
<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"></link>
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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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</p>
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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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<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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<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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<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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