On Sat, 10 Mar 2007 22:40:47 +0100 (CET) Wojciech Puchar <[EMAIL PROTECTED]> wrote:
> > I have heard it does not scale well above 4 > > to be clear. > > kernel task (disk I/O, network etc.) is always on first processor, > everything else on any CPU. > > so as long as disk I/O network and other kernel tasks are able to > fit on one processor that's OK. > > for machines doing mostly pure computing 8-16 CPU may work fine, > for machines doing mostly fileserving and routing even 2 CPUs may > be not well utilized That is only true if the process is giant locked. When look at dmesg, look for things that say GIANT-LOCKED and those will be ones confined to one processor. There has been a massive push since 5 to get ride of those. _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"