PhpStorm very slow and sluggish on netbook, optimize IDE for responsiveness?

Question

I recently upgraded from PhpStorm 6 to PhpStorm 7. Delighted to see all the improvements, but it runs awfully slow on my low-powered netbook. The delay between typing and se

Answer 1

OUTDATED IF YOU USE A VERSION MORE RECENT THAN 2017.1 :

The most effective way to speed up new phpstorm version is an experimental feature that is going to be shipped by default in phpstorm 2017.1. Until that you can activate it on jetbrains products (webstorm, phpstorm etc.)

Click on Help => Edit custom properties
Add editor.zero.latency.typing=true
Close and open again the application.

For me the change typing is not laggy anymore. Other tricks didn't helped me or not in a noticeable way.