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	<title>WG211/M13Kaestner - Revision history</title>
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	<updated>2026-04-05T20:58:36Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>http://mw.hh.se/wg211/index.php?title=WG211/M13Kaestner&amp;diff=1017&amp;oldid=prev</id>
		<title>Christian: Created page with &quot;I&#039;ll be giving an update on our work on variability-aware execution, introduced in Minneapolis. The key idea is to execute a program (test case) over all possible configurations,...&quot;</title>
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		<updated>2014-03-13T18:44:18Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;I&amp;#039;ll be giving an update on our work on variability-aware execution, introduced in Minneapolis. The key idea is to execute a program (test case) over all possible configurations,...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;I&amp;#039;ll be giving an update on our work on variability-aware execution, introduced in Minneapolis.&lt;br /&gt;
The key idea is to execute a program (test case) over all possible configurations, exposing all interactions among configuration options.&lt;br /&gt;
Since the last meeting, we have implemented a variability-aware interpreter and experimented with executing WordPress with 50 optional plugins.&lt;br /&gt;
We found interactions among up to 16 of the 50 plugins but also that plugins have mostly orthogonal effects allowing our approach to scale.&lt;br /&gt;
Overall, we could execute all 2^50 configurations within 7 minutes and found 2 interaction bugs in the process.&lt;br /&gt;
I&amp;#039;ll outline ideas for further applications beyond testing.&lt;/div&gt;</summary>
		<author><name>Christian</name></author>
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