Ionic 3 builds are very slow

I’ve recently upgraded to the latest version of Ionic 3, and in general I’m super happy with it, but one problem.
The build time is at least x2-5 times longer than was the case with Ionic 2. Sometimes I’ve got to wait 3-4mins to build my app, and I’ve got nothing extraordinary there. Any advice how to improve this?

Many thanks!

well, how big is your app?

Ionic CLI? ionic-angular? app-scripts?

Post your ionic info output please for context.

It’s working fine now, it was my computer clogged down by lots of useless crap. For now I’m happy with build times (when they are building…)