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Date: Thu, 05 Jan 2006 01:07:28 +0000
From: Mark Ovens <marko@freebsd.org>
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Subject: Re: RELENG_6: Which scheduler for SMP?
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Pete French wrote:
>> What I am trying to decide is whether there any point in making the jump 
>> from a very stable RELENG_5 system to RELENG_6. AIUI the ULE scheduler 
>> and it's associated options optimize the use of multiple CPUs and by 
>> staying with 4BSD I'm not getting the best performance from my system.
> 
> I'm not using ULE either - but I got a 15 percent speedup out of our SMP
> systems when moving from RELENG_5 to 6.0-RELEASE. Definitely worth doing
> in my opinion and am now upgrading all the production systems to 6.0
> 
>> Can anyone offer any advice on this please?
> 
> Yes, do it. Its a definite improvement.
> 

OK, I've done it, and am pleased with the result :)

Thanks to everyone for the info about the current state of ULE. I'm 
sticking with 4BSD as the box is rock solid with that.

Regards,

Mark