2 x quad-core system is slower that 2 x dual core on FreeBSD
Reko Turja
Reko.Turja at liukuma.net
Sat Dec 1 14:39:09 PST 2007
On Sat, 01 Dec 2007 23:37:32 +0200, Alexey Vlasov <renton at df.ru> wrote:
> kernel:
> machine i386
> cpu I686_CPU
> ident F1RNT1
>
> options PAE
One very probable culprit for slowness
> options SMP
>
> options SCHED_4BSD
Using _ULE might yield a bit more performance as well
> # cat /etc/make.conf
> CPUTYPE?=nocona
>
> CFLAGS=-O2 -pipe
I think the recommended practise is either use CFLAGS+=<your flags> or put
the
local compiler tweaks to COPTFALGS these days. Not sure if this affects
performance tho'
-Reko
More information about the freebsd-stable
mailing list