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Date:      Sat, 6 Jan 2007 18:55:16 +0800
From:      David Xu <davidxu@freebsd.org>
To:        freebsd-current@freebsd.org
Cc:        Jeff Roberson <jroberson@chesapeake.net>, current@freebsd.org, Kip Macy <kip.macy@gmail.com>
Subject:   Re: ULE 2.0
Message-ID:  <200701061855.17104.davidxu@freebsd.org>
In-Reply-To: <20070105154450.Y586@10.0.0.1>
References:  <20070104005625.D1508@10.0.0.1> <459DB871.1050109@freebsd.org> <20070105154450.Y586@10.0.0.1>

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On Saturday 06 January 2007 07:46, Jeff Roberson wrote:
> On Fri, 5 Jan 2007, David Xu wrote:
> >> Anyway, thanks for the pointer Xu.  I may hack this up and compare it to
> >> ULE's current balancing.
> >
> > Yesterday, I have tested super-smack benchmark on 2-cpu machine, ULE
> > decreased performance about 40%, this might be a regression though.
>
> I just fixed a regression in the load balancer.  On my 8way opteron ULE is
> now 22% faster than 4BSD for select-key.smack with 32 threads.  This is
> for both KSE and libthr.  libthr is of course significantly faster
> overall.  I believe I can improve this even more by borrowing some tricks
> from solaris.
>
> Jeff

I have tried it, but my dual-core Athlon X2 3800+ is locked up under stress
testing.

David Xu




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