Skip site navigation (1)Skip section navigation (2)
Date:      Sun, 11 Oct 2009 18:48:46 -0700
From:      Steve Kargl <sgk@troutmask.apl.washington.edu>
To:        Larry Rosenman <ler@lerctr.org>
Cc:        freebsd-current@freebsd.org
Subject:   Re: Scheduler weirdness
Message-ID:  <20091012014846.GB38325@troutmask.apl.washington.edu>
In-Reply-To: <6729ad0409e449f8dbda69ecd8feb618.squirrel@webmail.lerctr.org>
References:  <6729ad0409e449f8dbda69ecd8feb618.squirrel@webmail.lerctr.org>

next in thread | previous in thread | raw e-mail | index | archive | help
On Sun, Oct 11, 2009 at 05:59:52PM -0500, Larry Rosenman wrote:
> 
> Ok, running RELENG_8 from Friday (10/9/2009).
> 
> If I have 4 Folding-at-home processes running (they nice themselves) the
> system is slow as a dog.
> 
> If I stop them, it's speedy.
> 
> This is running SCHED_ULE
> 
> is this expected?
> 
> What can I do to help?
> 

How many cpus are available on your system?  If you're in an
over-commit situation with numerical intensive applications,
you may find 4BSD to be a better option.

-- 
Steve



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20091012014846.GB38325>