Finetuning Eclipse

I have to handle very huge projects (abt 100MB of code base or more) and oftern i see eclipse pausing/ hanging.. which is  very irritating. Explored a little how to fix it and the soln is as follows.

Open eclipse.ini file. This will be adjacent to the eclipse.exe in the eclipse dump.
Add the below entries:

-startup
plugins/org.eclipse.equinox.launcher_1.0.201.R35x_v20090715.jar
--launcher.library
plugins/org.eclipse.equinox.launcher.win32.win32.x86_1.0.200.v20090519
-showsplash
org.eclipse.platform
--launcher.XXMaxPermSize
384m
-vmargs
-Xms768m
-Xmx768m
-XX:PermSize=256m
-XX:MaxPermSize=256m
-XX:+UseParallelGC
-Dsun.lang.ClassLoader.allowArraySyntax=true