ULE and current.

[Peter Wemm]

Jeff Roberson wrote:
> Now that 5.2 has been branched I will soon be making ULE the default
> scheduler in GENERIC.  I'm hoping that before I throw the switch I'll get
> more feedback from current users.  The only big change I have in the
> pipeline for ULE is improved HTT support.  This has all been coded and
> tested locally.  I'm going to commit this after things settle down on HEAD
> a little more.
> 
> The plan is to leave ULE as the default until we get to 5.3 at which point
> we will decide whether or not it is production quality.  The most
> untest workload that I know of is on massive multiuser systems with lots
> of interactive tasks.  If anyone has such a system, I would love to hear
> of feedback while running ULE.  For anyone else, if your workload is
> either improved or hindered, I'd appreciate a mail with the a description
> of your workload, your hardware, behavior with ULE, and behavior with
> 4BSD.

FWIW, this sounds good to me.  We've been starting to run ULE by default on
the reference machines on the freebsd.org cluster for a while.

Cheers,
-Peter
--
Peter Wemm - peter at wemm.org; peter at FreeBSD.org; peter at yahoo-inc.com
"All of this is for nothing if we don't go to the stars" - JMS/B5