Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760341AbZAMBiN (ORCPT ); Mon, 12 Jan 2009 20:38:13 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758293AbZAMBaL (ORCPT ); Mon, 12 Jan 2009 20:30:11 -0500 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.122]:50370 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758265AbZAMBaI (ORCPT ); Mon, 12 Jan 2009 20:30:08 -0500 Date: Mon, 12 Jan 2009 20:30:04 -0500 (EST) From: Steven Rostedt X-X-Sender: rostedt@gandalf.stny.rr.com To: Linus Torvalds cc: Bernd Schmidt , Andi Kleen , David Woodhouse , Andrew Morton , Ingo Molnar , Harvey Harrison , "H. Peter Anvin" , Chris Mason , Peter Zijlstra , paulmck@linux.vnet.ibm.com, Gregory Haskins , Matthew Wilcox , Linux Kernel Mailing List , linux-fsdevel , linux-btrfs , Thomas Gleixner , Nick Piggin , Peter Morreale , Sven Dietrich , jh@suse.cz Subject: Re: gcc inlining heuristics was Re: [PATCH -v7][RFC]: mutex: implement adaptive spinning In-Reply-To: Message-ID: References: <20090111201427.GP26290@one.firstfloor.org> <1231704939.25018.548.camel@macbook.infradead.org> <20090111203441.GQ26290@one.firstfloor.org> <20090112001255.GR26290@one.firstfloor.org> <20090112005228.GS26290@one.firstfloor.org> <496B86B5.3090707@t-online.de> <20090112193201.GA23848@one.firstfloor.org> <496BBE27.2020206@t-online.de> User-Agent: Alpine 1.10 (DEB 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 505 Lines: 20 On Mon, 12 Jan 2009, Linus Torvalds wrote: > code tends to get a lot more I$ and D$ misses. Deep call-chains _will_ I feel like an idiot that I never realized that "I$" meant "instruction cache" until now :-p -- Steve -- 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/