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Date: Tue, 21 Mar 2006 22:59:21 +0000
From: Al Viro <viro@ftp.linux.org.uk>
To: Jan Engelhardt <jengelh@linux01.gwdg.de>
Cc: Phillip Lougher <phillip@lougher.demon.co.uk>, Pavel Machek <pavel@ucw.cz>,
       Phillip Lougher <phillip@lougher.org.uk>,
       "unlisted-recipients: no To-header on input <;, Jeff Garzik" 
	<jeff@garzik.org>,
       J?rn Engel <joern@wohnheim.fh-wedel.de>, linux-kernel@vger.kernel.org,
       linux-fsdevel@vger.kernel.org
Subject: Re: [ANN] Squashfs 3.0 released
Message-ID: <20060321225921.GJ27946@ftp.linux.org.uk>
References: <0E3DADA8-1A1C-47C5-A3CF-F6A85FF5AFB8@lougher.org.uk> <441AF118.7000902@garzik.org> <20060319163249.GA3856@ucw.cz> <4420236F.80608@lougher.demon.co.uk> <20060321161452.GG27946@ftp.linux.org.uk> <44204F25.4090403@lougher.org.uk> <20060321191144.GB3929@elf.ucw.cz> <44205C1A.4040408@lougher.demon.co.uk> <20060321200750.GH27946@ftp.linux.org.uk> <Pine.LNX.4.61.0603212301160.24534@yvahk01.tjqt.qr>
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On Tue, Mar 21, 2006 at 11:01:58PM +0100, Jan Engelhardt wrote:
> >
> >You mean, like IP?  Or NFS?  Or XFS?  Or any number of other big-endian
> >data layouts?  Make it fixed to big-endian - no problem with that...
> >
> And most machines are little endian. So statistically, the world swapped 
> more than it would have to.

... and on most of them that costs how many cycles, again?  How much do
test and branch cost?

That is not to mention boxen with instructions along the lines of
load-and-swap/swap-and-store...