Date: Mon, 15 Oct 2007 16:03:06 -0400 From: Ken Smith <kensmith@cse.Buffalo.EDU> To: Roman Divacky <rdivacky@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: HEADS-UP: ULE scheduler coming to 8.0-CURRENT soon... Message-ID: <1192478586.95331.63.camel@opus.cse.buffalo.edu> In-Reply-To: <20071015195753.GA98066@freebsd.org> References: <1192464248.95331.22.camel@opus.cse.buffalo.edu> <20071015195753.GA98066@freebsd.org>
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On Mon, 2007-10-15 at 21:57 +0200, Roman Divacky wrote:
> On Mon, Oct 15, 2007 at 12:04:08PM -0400, Ken Smith wrote:
> >=20
> > I think it's fairly common knowledge by now but... The ULE scheduler i=
s
> > "back" and has been doing VERY nicely. We actually had an internal
> > discussion about making it the default for 7.0. In the end it was
> > decided that ULE "just barely missed the bus". Its performance makes
> > giving it a try once 7.0 comes out definitely worthwhile but it was jus=
t
> > barely "too new" for us to be truly comfortable with changing it to be
> > the default. We'd like it to have the exposure of one release cycle
> > (7.0-REL) before it becomes the default. For now we're planning to mak=
e
> > it the default for 7.1-REL.
>=20
> will there be an official attitude (faq entry etc.) on that "although
> we think that ULE is ready and recomended for XYZ we stick with 4BSD
> for 7.0R because ABC". I think such a thing could help marketing 7.0R
> when it comes out as people who might benchmark it (with GENERIC kernel)
> will know that switching to ULE is the way to go but we want to be 100%
> sure before making it default.
>=20
> I think it would be beneficial.
>=20
> roman
I was planning to make something along those lines part of the release
announcement and am encouraging its adoption elsewhere. :-)
--=20
Ken Smith
- From there to here, from here to | kensmith@cse.buffalo.edu
there, funny things are everywhere. |
- Theodore Geisel |
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