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	<title>Comments on: 5 Ways to Speed Up Your Rails App</title>
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	<link>http://www.engineyard.com/blog/2009/5-ways-to-speed-up-your-rails-app/</link>
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		<title>By: Web Performance Tips, PHP, Python, .net, Java, Ruby &#124; New Relic blog</title>
		<link>http://www.engineyard.com/blog/2009/5-ways-to-speed-up-your-rails-app/comment-page-1/#comment-59323</link>
		<dc:creator>Web Performance Tips, PHP, Python, .net, Java, Ruby &#124; New Relic blog</dc:creator>
		<pubDate>Sun, 22 Jan 2012 19:22:47 +0000</pubDate>
		<guid isPermaLink="false">http://www.engineyard.com/blog/?p=1402#comment-59323</guid>
		<description>[...] TipsPHP Performance Tips More on PHP Performance Zend Performance Python Performance TipsRuby Performance TipsGreat resource list from Alex Podelko:  Performance Engineering&#160;&#160;&#160;PS &#8211; If you [...]</description>
		<content:encoded><![CDATA[<p>[...] TipsPHP Performance Tips More on PHP Performance Zend Performance Python Performance TipsRuby Performance TipsGreat resource list from Alex Podelko:  Performance Engineering&nbsp;&nbsp;&nbsp;PS &#8211; If you [...]</p>
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		<title>By: mapquest </title>
		<link>http://www.engineyard.com/blog/2009/5-ways-to-speed-up-your-rails-app/comment-page-1/#comment-41993</link>
		<dc:creator>mapquest </dc:creator>
		<pubDate>Wed, 21 Apr 2010 06:11:07 +0000</pubDate>
		<guid isPermaLink="false">http://www.engineyard.com/blog/?p=1402#comment-41993</guid>
		<description>what&#039;s the problem? </description>
		<content:encoded><![CDATA[<p>what&#039;s the problem?</p>
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	<item>
		<title>By: mapquest </title>
		<link>http://www.engineyard.com/blog/2009/5-ways-to-speed-up-your-rails-app/comment-page-1/#comment-41923</link>
		<dc:creator>mapquest </dc:creator>
		<pubDate>Fri, 16 Apr 2010 04:37:37 +0000</pubDate>
		<guid isPermaLink="false">http://www.engineyard.com/blog/?p=1402#comment-41923</guid>
		<description>my ruby is also slow </description>
		<content:encoded><![CDATA[<p>my ruby is also slow</p>
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		<title>By: Isaac Gouy</title>
		<link>http://www.engineyard.com/blog/2009/5-ways-to-speed-up-your-rails-app/comment-page-1/#comment-38707</link>
		<dc:creator>Isaac Gouy</dc:creator>
		<pubDate>Thu, 31 Dec 2009 01:45:35 +0000</pubDate>
		<guid isPermaLink="false">http://www.engineyard.com/blog/?p=1402#comment-38707</guid>
		<description>@dave &quot;and please DO NOT refer &quot;The Computer Language Benchmarks Game&quot; since it is absolutely UNFAIR, for example some python programs are written using C extensions while ruby ones are written in pure-ruby ... all those including itertools or multiprocessing are also unfair&quot; 
 
Dave - contribute a Ruby program that uses GMP. 
 
Dave - contribute a Ruby program that uses multiprocessing. 
 
 </description>
		<content:encoded><![CDATA[<p>@dave &quot;and please DO NOT refer &quot;The Computer Language Benchmarks Game&quot; since it is absolutely UNFAIR, for example some python programs are written using C extensions while ruby ones are written in pure-ruby &#8230; all those including itertools or multiprocessing are also unfair&quot; </p>
<p>Dave &#8211; contribute a Ruby program that uses GMP. </p>
<p>Dave &#8211; contribute a Ruby program that uses multiprocessing.</p>
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		<title>By: wycats</title>
		<link>http://www.engineyard.com/blog/2009/5-ways-to-speed-up-your-rails-app/comment-page-1/#comment-13402</link>
		<dc:creator>wycats</dc:creator>
		<pubDate>Sat, 15 Aug 2009 19:12:54 +0000</pubDate>
		<guid isPermaLink="false">http://www.engineyard.com/blog/?p=1402#comment-13402</guid>
		<description>@darkhelmet Which is why Carl said: &quot;Before continuing, a disclaimer: do not take these tips and refactor your code ad-hoc. Take everything with a grain of salt and perform your own measurements to determine which pieces of your app are slow. Before making any performance optimizations, get set up with a profiling tool, like RubyProf, New Relic, Scout, etc. You always want to know where the most significant bottlenecks are for you, and focus your efforts there first.&quot; </description>
		<content:encoded><![CDATA[<p>@darkhelmet Which is why Carl said: &quot;Before continuing, a disclaimer: do not take these tips and refactor your code ad-hoc. Take everything with a grain of salt and perform your own measurements to determine which pieces of your app are slow. Before making any performance optimizations, get set up with a profiling tool, like RubyProf, New Relic, Scout, etc. You always want to know where the most significant bottlenecks are for you, and focus your efforts there first.&quot;</p>
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		<title>By: darkhelmet</title>
		<link>http://www.engineyard.com/blog/2009/5-ways-to-speed-up-your-rails-app/comment-page-1/#comment-13395</link>
		<dc:creator>darkhelmet</dc:creator>
		<pubDate>Sat, 15 Aug 2009 17:30:54 +0000</pubDate>
		<guid isPermaLink="false">http://www.engineyard.com/blog/?p=1402#comment-13395</guid>
		<description>Of course none of this matters unless you benchmark and use performance tools first to find out where the problems are. </description>
		<content:encoded><![CDATA[<p>Of course none of this matters unless you benchmark and use performance tools first to find out where the problems are.</p>
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	<item>
		<title>By: links for 2009-07-16 &#171; Caiwangqin&#8217;s delicious bog</title>
		<link>http://www.engineyard.com/blog/2009/5-ways-to-speed-up-your-rails-app/comment-page-1/#comment-6028</link>
		<dc:creator>links for 2009-07-16 &#171; Caiwangqin&#8217;s delicious bog</dc:creator>
		<pubDate>Thu, 16 Jul 2009 23:10:44 +0000</pubDate>
		<guid isPermaLink="false">http://www.engineyard.com/blog/?p=1402#comment-6028</guid>
		<description>[...] 5 Ways to Speed Up Your Rails App &#124; Engine Yard Blog (tags: rails performance optimization rubyonrails tips) [...]</description>
		<content:encoded><![CDATA[<p>[...] 5 Ways to Speed Up Your Rails App | Engine Yard Blog (tags: rails performance optimization rubyonrails tips) [...]</p>
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		<title>By: rado</title>
		<link>http://www.engineyard.com/blog/2009/5-ways-to-speed-up-your-rails-app/comment-page-1/#comment-4698</link>
		<dc:creator>rado</dc:creator>
		<pubDate>Wed, 08 Jul 2009 11:02:15 +0000</pubDate>
		<guid isPermaLink="false">http://www.engineyard.com/blog/?p=1402#comment-4698</guid>
		<description>good article, thanks </description>
		<content:encoded><![CDATA[<p>good article, thanks</p>
]]></content:encoded>
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	<item>
		<title>By: Kai&#8217;s daily tech #34 &#8230; &#124; Kai Richard König</title>
		<link>http://www.engineyard.com/blog/2009/5-ways-to-speed-up-your-rails-app/comment-page-1/#comment-4694</link>
		<dc:creator>Kai&#8217;s daily tech #34 &#8230; &#124; Kai Richard König</dc:creator>
		<pubDate>Tue, 07 Jul 2009 20:02:39 +0000</pubDate>
		<guid isPermaLink="false">http://www.engineyard.com/blog/?p=1402#comment-4694</guid>
		<description>[...] 5 Ways to Speed Up Your Rails App &#124; Union Station [...]</description>
		<content:encoded><![CDATA[<p>[...] 5 Ways to Speed Up Your Rails App | Union Station [...]</p>
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	<item>
		<title>By: Ilya Shindyapin</title>
		<link>http://www.engineyard.com/blog/2009/5-ways-to-speed-up-your-rails-app/comment-page-1/#comment-4693</link>
		<dc:creator>Ilya Shindyapin</dc:creator>
		<pubDate>Tue, 07 Jul 2009 18:28:44 +0000</pubDate>
		<guid isPermaLink="false">http://www.engineyard.com/blog/?p=1402#comment-4693</guid>
		<description>@carllerche, @wycats Thank you both for your replies...  
 
Any resources or suggestions where I can get more information on rail&#039;s or ruby&#039;s methodology for this? As far as the app architecture or design is concerned... </description>
		<content:encoded><![CDATA[<p>@carllerche, @wycats Thank you both for your replies&#8230;  </p>
<p>Any resources or suggestions where I can get more information on rail&#039;s or ruby&#039;s methodology for this? As far as the app architecture or design is concerned&#8230;</p>
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