Re: ULE/SCHED_SMP diff for 7.0

From: Doug Barton <dougb_at_FreeBSD.org>
Date: Tue, 17 Jul 2007 12:30:14 -0700
Doug Barton wrote:
> Jeff Roberson wrote:
>> http://people.freebsd.org/~jeff/ule.diff
>>
>> This patch is scheduled for inclusion in 7.0.  I would like anyone who
>> cares to run it to validate that it does not create any stability or
>> performance regression over the existing ULE. 
> 
> Not only does it "work for me," but it's a huge improvement in terms
> of interactivity for my mouse and keyboard. I have a C2D, and using
> either 4BSD or the old ULE I had gaps where mouse or keyboard activity
> would stall, then "catch up" all at once. Very annoying. So far I
> haven't had any of that, which is great.
> 
> I haven't heavily stressed the system yet, but I did at least leave it
> running overnight, and 8 hours later it's still up, so that's
> something. :)

Ok, I ran a -j3 buildworld while I was working on other stuff, and
everything stayed nice and responsive. No lag for mouse or keyboard,
and the buildworld finished in a timely manner. And sorry I forgot to
mention above that I'm running my C2D in i386 mode.

hth,

Doug

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Received on Tue Jul 17 2007 - 17:30:17 UTC

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