When compared to NetBeans, I find that Eclipse is a lot slower, particularly when doing enterprise development. To try and speed Eclipse up, I’ve taken the JVM settings that NetBeans uses and applied them to Eclipse. The result is a vast improvement in performance. The default JVM settings in Eclipse aren’t optimal. On a Mac, the following procedure allows the JVM settings to be changed: Find Eclipse in the Finder. Right click on Eclipse and choose "Show Package Contents" Browse to the Contents | MacOS directory and edit the eclipse.ini file In this file add JVM options, one per line. The JVM options that make the biggest difference are the ones that specify how much memory Eclipse can use. -Xms512m -Xmx512m -XX:PermSize=256m -XX:MaxPermSize=256m I also tell the JVM not to verify bytecode using the -Xverify switch -Xverify:none According to the NetBeans performance tuning tips, changing the garbage collection policies can also make a difference. I’m not s...
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