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Date: Sat, 12 Jan 2002 16:02:10 -0800
From: J Sloan <jjs@pobox.com>
Organization: J S Concepts
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To: Robert Love <rml@tech9.net>
CC: Kenneth Johansson <ken@canit.se>, Alan Cox <alan@lxorguk.ukuu.org.uk>,
        arjan@fenrus.demon.nl, Rob Landley <landley@trommello.org>,
        linux-kernel@vger.kernel.org, Andrew Morton <akpm@zip.com.au>
Subject: Re: [2.4.17/18pre] VM and swap - it's really unusable
In-Reply-To: <E16PURC-000321-00@the-village.bc.nu> 	<3C409E3C.A4968CE@canit.se> <1010876470.3560.0.camel@phantasy>
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Robert Love wrote:

>Agreed.  Further, you can't put _any_ upper bound on the number of interrupts that could occur, preempt or not.  Sure, preempt can make it worse, but I don't see it. I have no bug reports to correlate.
>

OTOH we do have a pile of user reports which
say the low latency patches give better results.

 From my view here, low latency provides a more
silky feel when e.g. playing RtCW or Q3A -

BTW I have checked out 2.4.18pre2-aa2 and
am now running 2.4.18-pre3 + mini low latency.

* -aa absolutely kicks major booty in benchmarks.

* -mini-low-latency seems to do no worse than
stock kernel benchmark-wise, but seems to be
somehow smoother. I played some mp3s while
running dbench 16 and heard no hitches. Also
the RtCW test was successful, e.g. movement
was fluid and I was victorious in most skirmishes
with win32 opponents.

Regards,

jjs



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