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Date:      Fri, 5 Jan 2007 15:46:35 -0800 (PST)
From:      Jeff Roberson <jroberson@chesapeake.net>
To:        David Xu <davidxu@freebsd.org>
Cc:        Kip Macy <kip.macy@gmail.com>, current@freebsd.org
Subject:   Re: ULE 2.0
Message-ID:  <20070105154450.Y586@10.0.0.1>
In-Reply-To: <459DB871.1050109@freebsd.org>
References:  <20070104005625.D1508@10.0.0.1> <459CCBA1.40305@freebsd.org> <b1fa29170701041131o287ee0cflda63eae9528f68dc@mail.gmail.com> <200701050749.49058.davidxu@freebsd.org> <20070104155755.Y552@10.0.0.1> <20070104163449.D552@10.0.0.1> <459DB871.1050109@freebsd.org>

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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

>
>> 
>> Cheers,
>> Jeff
>> 
>
> Regards,
> David Xu
>
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