Why is IntelliJ 13 IDEA so slow after upgrading from version 12?

Question

While using IntelliJ 13 ultimate edition for a week, it just seems really slow.

First of all, the whole IDE stops for a second or so every once in a while. The Java

Answer 1

I noticed that disabling many of the plug ins really helps speed up IntelliJ. For example, I am not developing Android Applications. Turning the plugins related to Android development off speed up load time and makes the program run much smoother on my machine.