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Date:      Sat, 12 Nov 2005 10:14:22 -0600
From:      "Matthew D. Fuller" <fullermd@over-yonder.net>
To:        Pyun YongHyeon <pyunyh@gmail.com>
Cc:        Peter Jeremy <PeterJeremy@optushome.com.au>, freebsd-hackers@freebsd.org
Subject:   Re: poor fdc(4) performance
Message-ID:  <20051112161422.GB1485@over-yonder.net>
In-Reply-To: <20051112074418.GE18405@rndsoft.co.kr>
References:  <20051112071815.GD18405@rndsoft.co.kr> <20051112073711.GE39882@cirb503493.alcatel.com.au> <20051112074418.GE18405@rndsoft.co.kr>

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On Sat, Nov 12, 2005 at 04:44:18PM +0900 I heard the voice of
Pyun YongHyeon, and lo! it spake thus:
> 
> Yes, it could be. But I think the machine is fast enough to read
> sequential blocks.

Try running it without SMP.  There may be enough happening in the MP
locking bit that you end up falling behind.  I remember noticing crap
fdc performance (without larger block sizes) on my dual PPro a little
while back.


-- 
Matthew Fuller     (MF4839)   |  fullermd@over-yonder.net
Systems/Network Administrator |  http://www.over-yonder.net/~fullermd/
           On the Internet, nobody can hear you scream.



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