> 
> Now, it may be true that NetBSD doesn't use all of the optimizations
> that are available on every platform - in that case, feel free to
> contribute suggestions of where improvements can be made.

i've just recompiled sources with -march=pentium -mcpu=pentium. it was
very easy due to consistent Makefiles. 
 
> being used.
> 
> When you exit, and getty wakes up, it would be swapped in, and depending
> on the speed of your disks, that could take a second (or more).
it takes a second without swapping - probably there's a delay in getty.