How should I set the memory for IntelliJ 14?

Question

I just upgraded my IntelliJ to 14.0.3. But there\'s always a Out Of Memory dialog popped up to ask me to set the memory.

Following is my settings:

Answer 1

I have allocated 4 GB to intelliJ 14 on windows 7. My settings in idea64.exe.vmoptions are :

-Xms4608m
-Xmx4608m
-Xmn2g
-Xss128k
-XX:MaxPermSize=1536m
-XX:ParallelGCThreads=20