From: Padraig Brady <padraig.brady@corvil.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Robert Love <rml@tech9.net>,
akpm@digeo.com,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: benchmarks of O_STREAMING in 2.5
Date: Mon, 21 Oct 2002 15:32:34 +0100 [thread overview]
Message-ID: <3DB41002.2050204@corvil.com> (raw)
In-Reply-To: 1035211132.27309.131.camel@irongate.swansea.linux.org.uk
Alan Cox wrote:
> On Thu, 2002-10-17 at 03:53, Robert Love wrote:
>
>>I gave the O_STREAMING in Andrew's 2.5-mm tree the treatment..
>>
>>Short summary: It works.
>>
>>The streaming read test in the following benchmarks is simply a read()
>>in 64KB byte chunks of an 800MB file.
>
> All you now need to do is make it work with an API thats usable by the
> other 99% of real world apps, is extensible and sensible ways and
> therefore can be used.
I'm confused. Isn't this just an O_STREAM flag on open/fcntl ?
How could it be simpler? I suppose the VM could do better than
it currently does automatically but there is no harm in the app
giving a hint like this thus allowing stuff to be dropped from
the cache more aggresively?
Pádraig.
next prev parent reply other threads:[~2002-10-21 14:28 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-17 2:53 benchmarks of O_STREAMING in 2.5 Robert Love
2002-10-17 7:33 ` Giuliano Pochini
2002-10-17 7:40 ` Robert Love
2002-10-21 14:38 ` Alan Cox
2002-10-21 14:32 ` Padraig Brady [this message]
2002-10-21 16:14 ` Alan Cox
-- strict thread matches above, loose matches on Subject: below --
2002-10-17 22:59 Dieter Nützel
[not found] <1034823201.722.429.camel@phantasy.suse.lists.linux.kernel>
[not found] ` <1035211132.27309.131.camel@irongate.swansea.linux.org.uk.suse.lists.linux.kernel>
2002-10-21 14:35 ` Andi Kleen
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