linux-mips
[Top] [All Lists]

Re: [PATCH] 64K page size

To: Ralf Baechle <ralf@linux-mips.org>
Subject: Re: [PATCH] 64K page size
From: Jonathan Day <imipak@yahoo.com>
Date: Thu, 24 Aug 2006 22:11:00 -0700 (PDT)
Cc: Thiemo Seufer <ths@networkno.de>, Peter Watkins <treestem@gmail.com>, linux-mips@linux-mips.org
Domainkey-signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:Received:Date:From:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=iC/Taa7RCaQA6N0lwk7demU4wEmaw6YeN2GQ1xZhvYoaxCI2B5XQt+bKaUpwt9HegwR9ARmweeCc4/DcfectmVFuDfw3znUqyMpigz7X4INC2juOR9c80NO3f6KbTLVM5mNLA5+tb90GrxN9N8y7MwFeuamCLwitaTyeCDvKJgg= ;
In-reply-to: <20060825002811.GA31044@linux-mips.org>
Original-recipient: rfc822;linux-mips@linux-mips.org
Sender: linux-mips-bounce@linux-mips.org
The short answer is that I'm actually working on a
MIPS-based supercomputer. :)

The longer answer is that the group I'm working with
is linking an extremely large number of SB1-based MIPS
nodes together to build a very large multicast-based
cluster. Back-of-the-envelope calculations suggest
that large pages - although inefficient on memory per
node - would be highly efficient for what we have in
mind.

(You are correct that this will not involve solving
world hunger - although I'm always happy to be proven
wrong on such matters.)

Large pages are not the only technical issue that has
been bugging me - Linux clustering technology in
general is a long way from where I'd like it to be -
but I'm happy with the idea of someone solving one of
the potentially larger thorns that has been bugging me
for a while.

Jonathan Day


--- Ralf Baechle <ralf@linux-mips.org> wrote:
> 64K pages are not the universal solution to world
> hunger.  They're a
> tradeoff and usually one that is considered
> apropriate for full blown
> supercomputers.  On smaller systems the memory
> overhead is likely to be
> prohibitive.  The memory overhead problem is being
> worked on but it's
> likely to be quite some time before this is finished
> and integrated.
> 
> Do we want to get them to work?  Of course,
> Linux/MIPS supports some
> extremly large systems.  But aside of those 64K
> pagesize is rarely useful.
> 
>   Ralf
> 


__________________________________________________
Do You Yahoo!?
Tired of spam?  Yahoo! Mail has the best spam protection around 
http://mail.yahoo.com 

<Prev in Thread] Current Thread [Next in Thread>