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Date:      Thu, 01 Feb 2007 20:54:41 +0100
From:      Ivan Voras <ivoras@fer.hr>
To:        freebsd-current@freebsd.org
Subject:   Re: lock contention etc.
Message-ID:  <eptgi3$3l7$1@sea.gmane.org>
In-Reply-To: <45C24113.7000608@elischer.org>
References:  <45C24113.7000608@elischer.org>

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Julian Elischer wrote:

>     3762.94 real      2627.66 user      1275.78 sys
>     2465.10 real      2958.94 user      1918.64 sys
>     2262.88 real      4322.31 user      3333.58 sys

> (2 processors with HTT)  (looks like 4 processors)
> -current, sched_4bsd

I'm possibly stating the obvious, but did you try without HTT or on a
real 4proc machine? Much of the contention might be an artifact of HTT
(e.g. HTT "logical" processor blocking when real work could be done
because the internal processor units are busy elsewhere).



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