On Thu, 14 Mar 2002 11:14:12 +0100
"Thilo Manske" <Thilo.Manske@HEH.Uni-Oldenburg.DE> wrote:

> On Wed, Mar 13 2002 at 18:25:43 -0800, Aaron J. Grier wrote:
> > pkgsrc/devel/cpuflags can help.  on my 110MHz sparc 5 running 1.5.2,
> > cpuflags adds '-mcpu=supersparc' which almost doubles my dsa
> > performance:
> [...]
> > so gcc is obviously producing much better code on this machine when
> > -mcpu=supersparc is used.  and this is with the older compiler...
> BTW: You get sightly better results using -mv8 than -msupersparc on s SS5 (I
> think -msupersparc doesn't only use the v8 instcructions, it tunes the code
> for superscalar execution for supersparc cpus as well).

This isn't true on either of my SS5 machines (a 110MHz and a 170 turboSPARC).



-- 

UNIX/Perl/C/Pizza__________________________________shannon@widomaker.com