From: Rik van Riel <riel@conectiva.com.br>
To: Chris Evans <chris@scary.beasts.org>
Cc: Roger Larsson <roger.larsson@norran.net>, linux-mm@kvack.org
Subject: Re: 2.4.0test9 vm: disappointing streaming i/o under load
Date: Fri, 13 Oct 2000 13:57:01 -0300 (BRST) [thread overview]
Message-ID: <Pine.LNX.4.21.0010131355290.10484-100000@duckman.distro.conectiva> (raw)
In-Reply-To: <Pine.LNX.4.21.0010112341550.11841-100000@ferret.lmh.ox.ac.uk>
On Wed, 11 Oct 2000, Chris Evans wrote:
> Perhaps I'm just asking too much, booting with mem=32M. No point
> testing the new VM with a 128Mb desktop, though; it wouldn't
> break a sweat!
>
> 2.2 (RH7.0 kernel) does skip less, though, and the duration of
> skip is less.
>
> Perhaps the two kernels have different elevator settings?
That too. And you just -might- be catching a boundary condition
of the drop-behind code (if the audio isn't kept mapped by any
of the processes, but is left to sit in a file which is write()n
to by one process and is read() by the other).
regards,
Rik
--
"What you're running that piece of shit Gnome?!?!"
-- Miguel de Icaza, UKUUG 2000
http://www.conectiva.com/ http://www.surriel.com/
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next prev parent reply other threads:[~2000-10-13 16:57 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200010090419.e994JQT09775@trampoline.thunk.org>
2000-10-10 20:53 ` Updated 2.4 TODO List Rik van Riel
2000-10-11 0:06 ` 2.4.0test9 vm: disappointing streaming i/o under load Chris Evans
2000-10-11 11:38 ` Eric Lowe
2000-10-11 20:59 ` Chris Evans
2000-10-11 22:10 ` Roger Larsson
2000-10-11 22:46 ` Chris Evans
2000-10-13 16:57 ` Rik van Riel [this message]
2000-10-11 18:38 ` Updated 2.4 TODO List tytso
2000-10-11 23:52 ` [RFC] atomic pte updates for x86 smp Ben LaHaise
2000-10-12 0:09 ` Linus Torvalds
2000-10-12 4:03 ` Benjamin C.R. LaHaise
2000-10-12 4:06 ` David S. Miller
2000-10-12 4:31 ` Cort Dougan
2000-10-12 4:37 ` Benjamin C.R. LaHaise
2000-10-12 6:42 ` Linus Torvalds
2000-10-12 8:13 ` Ingo Molnar
2000-10-12 8:56 ` David S. Miller
2000-10-12 10:05 ` Ingo Molnar
2000-10-12 11:10 ` Ingo Molnar
2000-10-12 15:10 ` Benjamin C.R. LaHaise
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