FreeBSD 6.0 GENERIC Kernel perfomance

[Kris Kennaway]

On Wed, Nov 23, 2005 at 04:23:34PM -0500, Russell Meek wrote:
> Dmytro Surovtsev wrote:
> 
> >Kris,
> >
> >thanks for reply. I did not provide any special tests for performance, 
> >I catch it just working on my workstation - P-4, 3 GHz, 512 MB.
> >Long time ago (several monthes) I've used Gentoo Linux, but siwtched 
> >to FreeBSD because of better performance especially when I work in X.
> >About the port set: what do you mean under "> upgrading your ports 
> >properly"? I've downloaded the ports.tar.gz (about 30M) and untarred 
> >it to /usr/ports. what else?
> >
> >Dmytro
> >
> >Kris Kennaway wrote:
> >
> >>On Tue, Nov 22, 2005 at 05:32:12PM +0000, Dmytro Surovtsev wrote:
> >>
> >>>Hello,
> >>>
> >>>Maybe it's my own opinion but I've discovered that 6.0 kernel is 
> >>>much slower than 5.4, I mean GENERIC in both cases.
> >>
> >>
> >>
> >>It's only your own opinion until you share with us the measurements
> >>that led you to conclude this.  FreeBSD 6.0 is much faster than
> >>FreeBSD 5.4 in my measurements, especially in the area of filesystem
> >>performance.
> >>
> >>
> >>>And, as well, 6.0 works right with the set of ports come with it in 
> >>>distribution inly. Nearly any new port can not assemble with 
> >>>differnent errors, mostly like: "The version of library XXX is 
> >>>installed, it's conflict with XXX-1, please do pkg_delete, and 
> >>>pkg_add then". But after than nearly nothing works.
> >>
> >>
> >>
> >>This is not a FreeBSD 6.0 problem, it indicates that you aren't
> >>upgrading your ports properly.
> >>
> >>Look into the portupgrade tool, and if you have specific problems with
> >>using it, then post specific questions.
> >>
> >>Kris
> >
> >_______________________________________________
> >freebsd-questions at freebsd.org mailing list
> >http://lists.freebsd.org/mailman/listinfo/freebsd-questions
> >To unsubscribe, send any mail to 
> >"freebsd-questions-unsubscribe at freebsd.org"
> 
> Dmytro,
> 
> Sorry the debug -g option did not help.
> 
> I have only noticed increased speed with 6 vs 5.4, but then again I am 
> not using X, I use FreeBSD only for servers.
> 
> I noticed a slight lag at first and was not using the SCHED_ULE 
> scheduler, but the 4BSD.
> 
> Removing debug -g and recompiling my kernel pretty much solved that.

Again, -g does not have any runtime performance effect.  The symbols
it adds are stripped out when the kernel is loaded.

Kris
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 187 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-questions/attachments/20051123/44db4d07/attachment.bin