Subject: Re: A few general interest questions...
To: None <seebs@solon.com>
From: Gordon W. Ross <gwr@mc.com>
List: port-sun3
Date: 11/18/1996 10:30:09
> Date: Sun, 17 Nov 1996 00:56:40 -0600 (CST)
> From: Peter Seebach <seebs@solon.com>

> First off, does anything fatal happen to a machine with an FPU if I remove
> "-msoft-float" from my compile options?  Does it *help* at all to do so?
> How much floating point do we do, anyway?

There is almost exactly zero FP code in plain NetBSD.

Don't worry about it unless you are compiling some application S/W
that you are sure is FP intensive.

> Secondly, are there any reccommended ways to "tune" Sun3 systems?  Apart,
> that is, from removing kernel options you don't use...

Add more RAM and increase the buffer cache size...

> I know that, on the Amiga port, locore.s could be hacked to speed a system
> up detectably by #ifdef'ing the code that selects, with every MMU operation,
> whether to do the '040 or the '030 version; would this be a meaningful
> improvement for the sun3 port?  (If so, I suspect it should pend the 3/80
> being done, because that'll probably massively alter locore.s.)

Not applicable to the sun3.

> >panic.o: Undefined symbol `_vprintf' referenced from text segment
> 
> ... looks like I need to do some more hacking on this.)

Are you sure libsa is up-to-date?

Gordon