> UML uses multiple processes for it's buisness.
With Skas UML is just one process as it appears on the Host, or do you mean something else.

>When host is
> SMP, these can be mapped to different cpu's, and when
> interprocess stuff is to occure, cpu's have to sync.
I saw the syscall about 300% slower, it does not make sense due to interprocess.
IT should not be that slow, unless missing UML implementation

> Also, some few kernel things is slower on SMP, while
> user-space things that are not related, and multithreaded
> apps run faster.
> Stian