Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268300AbUJDShJ (ORCPT ); Mon, 4 Oct 2004 14:37:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268304AbUJDShJ (ORCPT ); Mon, 4 Oct 2004 14:37:09 -0400 Received: from prgy-npn1.prodigy.com ([207.115.54.37]:47762 "EHLO oddball.prodigy.com") by vger.kernel.org with ESMTP id S268300AbUJDShG (ORCPT ); Mon, 4 Oct 2004 14:37:06 -0400 Message-ID: <4161989F.9050607@tmr.com> Date: Mon, 04 Oct 2004 14:38:23 -0400 From: Bill Davidsen User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.3) Gecko/20040913 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Denis Vlasenko CC: Andrew Morton , Sam Ravnborg , linux-kernel@vger.kernel.org Subject: Re: [PATCH] Make gcc -align options .config-settable References: <200410012226.23565.vda@port.imtp.ilyichevsk.odessa.ua> In-Reply-To: <200410012226.23565.vda@port.imtp.ilyichevsk.odessa.ua> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 846 Lines: 23 Denis Vlasenko wrote: > Resend. > > With all alignment options set to 1 (minimum alignment), > I've got 5% smaller vmlinux compared to one built with > default code alignment. It would be interesting to know if this is better WRT cache usage than alignment which ensures that loops fit within the minimum number of cache lines. That's not quite the same thing as starting on a cache line in all cases. This may be of interest to embedded builds. -- -bill davidsen (davidsen@tmr.com) "The secret to procrastination is to put things off until the last possible moment - but no longer" -me - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/