IntelliJ IDEA 13 CE consuming lots of CPU

Question

I upgraded from IntelliJ IDEA from 12 CE to 13 CE few days ago and it has been hogging up CPU. Every few minutes it\'ll peak to 450-500% and then come down to 100-200%. Also, I\

Answer 1

I'm posting this comment by K P as an answer, because K P does not have enough reputation.

It just needed some more memory to prevent repeated garbage collection. I found the file idea.vmoptions [aka idea64.exe.vmoptions] and increased the memory for InteiiJ to run (Xms = 512m and Xmx = 2048). The CPU usage has come down to 0.2 - 10% when nothing is being done on it.