GNU+Linux VMware = slow, GNU+Linux guest, freezes host constantly -- freezes xfce4,kde4,plasma 5,cinnamon,openbox,gnome.
Windows VMware = normal speed, host almost never freezes
Windows > Gnu Linux
System specs
>Intel i5-3570k
>HD 4000 gpu
>8GB Ram
Your Gnu / Linux cannot provide gpu passthrough for GNU+Linux guests with KVM.
Linux is for servers, BSD is for servers, Windows and Mac OSX for desktop.
You'll never guess my tripcode