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POASP.NET MVC URL generation performance
 

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  1. POASP.NET MVC URL generation performance
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    <p>A little benchmark with ASP.NET MVC. Viewpage code:</p> <pre><code> public string Bechmark(Func&lt;string&gt; url) { var s = new Stopwatch(); var n = 1000; s.Reset(); s.Start(); for (int i = 0; i &lt; n; i++) { var u = url(); } s.Stop(); return s.ElapsedMilliseconds + " ms, " + ((s.ElapsedMilliseconds) / (float)n) + " ms per link&lt;br/&gt;"; } </code></pre> <p>View code:</p> <pre><code>&lt;%= Bechmark(() =&gt; Url.Action("Login", "Account")) %&gt; &lt;%= Bechmark(() =&gt; Url.Action("Login", "Account", new {username="bla", password="bla2", returnurl="blabla32", rememberme=false} )) %&gt; &lt;%= Bechmark(() =&gt; Html.BuildUrlFromExpression&lt;AccountController&gt;(a=&gt;a.ChangePassword("bla", "bla", "ya")) ) %&gt; </code></pre> <p>Running this on a typical Core2 notebook on the default new project template with ASP.NET MVC Beta yields these results:</p> <blockquote> <p>38 ms, 0,038 ms per link</p> <p>120 ms, 0,12 ms per link</p> <p>54 ms, 0,054 ms per link</p> </blockquote> <p>Running the same benchmark on a production project with about 10 controllers that have all in all around 100 methods and 30 routing table entries, the performance degrades greatly for the expression-based method:</p> <blockquote> <p>31 ms, 0,031 ms per link</p> <p>112 ms, 0,112 ms per link</p> <p>450 ms, 0,45 ms per link</p> </blockquote> <p>We use this method quite a lot (maintainability) and doing some performance benchmarking, this degrades the performance of the site greatly - pages quickly contain around 30 or more of such links, that means 10ms of additional overhead on a single page. Even 0.112ms per an URL is around 4ms of pure CPU overhead.</p> <p>It should be noted that performance of all the three URL generation calls between MVC Preview 3 and Beta (released yesterday) got improved by a factor of 5.</p> <p>Stack Overflow is supposedly powered by the same framework, how have you guys tackled this scaling problem? Liberal caching of the front page (lots of links) and pre-rendered controls?</p> <p>Any other production websites in ASP.NET MVC with performance issues or some good tips?</p>
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    1. COHere is a link you might find useful : http://blog.whiletrue.com/2009/04/aspnet-mvc-performance/
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    2. CO@Nik: Actually, I am the author of that presentation, so well... Yes. :)
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    3. CODoes anyone know if this is still an issue with ASP.NET MVC2?
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