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

As other said,increasing memory heap of IDEA is work, my IDEA version is 2016.3.4, following is setting way

1. Do one of the following:
   • Use the main menu command Help | Edit Custom VM Options to create a copy of the idea.vmoptions file in the user home. Refer to Edit Custom VM Options for details.
   • Copy the existing file from the IntelliJ IDEA installation folder somewhere and save the path to this location in the environment variable IDEA_VM_OPTIONS.
   • Copy the existing file /bin/idea.exe.vmoptions or /bin/idea64.exe.vmoptions from the IntelliJ IDEA installation folder into the location under your user home.