From: Andrew Morton <akpm@digeo.com>
To: Paolo Ciarrocchi <ciarrocchi@linuxmail.org>
Cc: vda@port.imtp.ilyichevsk.odessa.ua, conma@kolivas.net,
riel@conectiva.com.br, linux-kernel@vger.kernel.org
Subject: Re: Poor performance with 2.5.52, load and process in D state
Date: Thu, 26 Dec 2002 01:34:59 -0800 [thread overview]
Message-ID: <3E0ACD43.F27592FD@digeo.com> (raw)
In-Reply-To: <20021226092641.12371.qmail@linuxmail.org>
Paolo Ciarrocchi wrote:
>
> > it appears that this benefit came from the special usercopy code.
> > What sort of CPU are you using?
>
> It is a PIII@800.
hm, don't know. I built the latest postgres locally. Perhaps the
alignment of some application buffer is different.
next prev parent reply other threads:[~2002-12-26 9:26 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-26 9:26 Paolo Ciarrocchi
2002-12-26 9:34 ` Andrew Morton [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-12-26 9:45 Paolo Ciarrocchi
2002-12-26 0:03 Paolo Ciarrocchi
2002-12-26 7:44 ` Andrew Morton
2002-12-23 12:44 Paolo Ciarrocchi
2002-12-22 17:09 Paolo Ciarrocchi
2002-12-22 11:37 Paolo Ciarrocchi
2002-12-23 11:29 ` Andrew Morton
2002-12-25 13:12 ` Denis Vlasenko
2002-12-25 8:41 ` Andrew Morton
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