StackOverflow2013

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copied!<p>So here we are in 2012 and Groovy 2.0 is ready to rock...</p> <p>"With the @CompileStatic, the performance of Groovy is about 1-2 times slower than Java, and without Groovy, it's about 3-5 times slower. (...) This means to me that Groovy is ready for applications where performance has to be somewhat comparable to Java."</p> <p>Performance Test: Groovy 2.0 vs. Java <a href="http://java.dzone.com/articles/groovy-20-performance-compared">http://java.dzone.com/articles/groovy-20-performance-compared</a></p> <p>And besides the autor, I've used Groovy since 2008 with great success, not only for CV, just to make job done in time business need. Performance is ever relative to what you want to do.</p> <hr> <p>For those who are complaining about numeric use cases, here goes a real use case using web frameworks: <a href="http://www.jtict.com/blog/rails-wicket-grails-play-lift-jsp/">http://www.jtict.com/blog/rails-wicket-grails-play-lift-jsp/</a></p> <hr> <p>"Groovy 1.8.x prototype for fib(42) takes about 3.8s (<strong>only 12% slower than Java, over a hundred times faster than Groovy 1.0</strong>) So we may no longer encourage people to write such 'hot spots' in Java."</p> <p>Source: <a href="http://www.wiki.jvmlangsummit.com/images/0/04/Theodorou-Faster-Groovy-1.8.pdf">http://www.wiki.jvmlangsummit.com/images/0/04/Theodorou-Faster-Groovy-1.8.pdf</a></p> <p>"I'm impressed on how much Groovy's performance has improved for numerical computing. <strong>Groovy 1.8</strong> in my project jlab (http://code.google.com/p/jlabgroovy/) <strong>sometimes outperforms Scala's performance</strong> in my other project ScalaLab (http://code.google.com/p/scalalab) !!"</p> <p>Source: <a href="http://groovy.329449.n5.nabble.com/Great-improvements-in-Groovy-s-performance-for-numerical-computing-td4334768.html">http://groovy.329449.n5.nabble.com/Great-improvements-in-Groovy-s-performance-for-numerical-computing-td4334768.html</a></p>

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