Date: Thu, 7 Feb 2008 11:19:59 -0500 From: Jason Morgan <jwm-freebsd-questions@sentinelchicken.net> To: freebsd-questions@freebsd.org Subject: Re: Desktop Performance Tuning? Message-ID: <20080207161959.GF59566@sentinelchicken.net> In-Reply-To: <20080207010734.5fceb382@gumby.homeunix.com.> References: <73b8a7e50802061545r4a1ac458g350eb4a45274ebe9@mail.gmail.com> <20080207010734.5fceb382@gumby.homeunix.com.>
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On Thu, Feb 07, 2008 at 01:07:34AM +0000, RW wrote: > On Wed, 6 Feb 2008 15:45:14 -0800 > "Eli Scott" <havok173@gmail.com> wrote: > > > I recently installed FreeBSD 7.0 RC-1 on my hobby system, > >.. > > performance seems to degrade whenever i'm compiling > > things (like, performing a buildworld, installing from ports, etc) > > which manifests itself as considerable lag in standard desktop > > operations, > > I've noticed this too, it always used to be the case that building > didn't make all that much difference to desktop use, but now it make a > severe difference. Nice helps, but it only makes the > problem intermittent. I've tried changing the scheduler to ULE, and > disabling SMP, but it didn't help. > > There have been threads on the stable list about jerky mouse > performance, which may be part of this, but I have really followed it > closely. I'm also wondering whether this might be due to some xorg or > other port change from late 2007 that I only noticed when I started > doing a lot of rebuilding under 7-stable. > I've also noticed this. I thought it was because I used the -j4 flag when building world, but I just rebuilt my kernel last night without -j4 and had some of the same issues. This has been on both SCHED_ULE and SCHED_4FSB. I am running AMD64. ~Jason
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