Faster RubyMine

Rationale

We want RubyMine to be as fast as possible. There are a number of improvements that can make a big difference to the out of the box experience.

Mechanism

1. Increase Memory
2. Don't index all project directories
3. Disable plugins that you aren't going to use
4. Use the experimental build that uses the JetBrains JVM

Increase Memory

Edit the rubymine.vmoptions file located in ~/Library/Preferences/RubyMine70 as follows:

-server
-Xms2048m
-Xmx2048m (or 4096)
-XX:MaxPermSize=250m
-XX:+UseCompressedOops