HEADS-UP: ULE scheduler coming to 8.0-CURRENT soon...

Ken Smith kensmith at cse.Buffalo.EDU
Mon Oct 15 13:03:14 PDT 2007


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:
> > 
> > I think it's fairly common knowledge by now but...  The ULE scheduler is
> > "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 just
> > 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 make
> > it the default for 7.1-REL.
> 
> 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.
> 
> I think it would be beneficial.
> 
> roman

I was planning to make something along those lines part of the release
announcement and am encouraging its adoption elsewhere. :-)

-- 
                                                Ken Smith
- From there to here, from here to      |       kensmith at cse.buffalo.edu
  there, funny things are everywhere.   |
                      - Theodore Geisel |

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