I've tried in various computers with KDS 3.2.0, all Win7. One of them with 32GB of RAM (Intel Xeon, E5-2620 - a heavy load computer). All of them takes to build this project a few minutes to 20 minutes (i see in the console each file is being built one after the other, and it takes time..).
Only in one computer (my private desktop with 32GB, SSD as hard drive, WIN 8.1) it takes few seconds, and the file is being built in super fast speed.
Any idea how come? it cannot be the SSD is the reason for that. The difference in the time is amazing.