Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 23 Sep 2002 10:02:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 23 Sep 2002 10:02:17 -0400 Received: from chaos.analogic.com ([204.178.40.224]:52866 "EHLO chaos.analogic.com") by vger.kernel.org with ESMTP id ; Mon, 23 Sep 2002 10:02:17 -0400 Date: Mon, 23 Sep 2002 10:09:21 -0400 (EDT) From: "Richard B. Johnson" Reply-To: root@chaos.analogic.com To: Ingo Molnar cc: Erik Andersen , Con Kolivas , linux-kernel@vger.kernel.org Subject: Re: [BENCHMARK] Corrected gcc3.2 v gcc2.95.3 contest results In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1046 Lines: 30 On Mon, 23 Sep 2002, Ingo Molnar wrote: > > On Mon, 23 Sep 2002, Richard B. Johnson wrote: > > > > It would sure be nice for this sortof test if there were > > > some sort of a "flush-all-caches" syscall... > > > > I think all you need to do is reload the code-segment register > > and you end up flushing caches in ix86. > > i'm pretty sure what was meant was the flushing of the pagecache mainly. > The state of CPU caches does not really play in these several-minutes > benchmarks, they are at most a few millisecs worth of CPU time to build. > Okay. Sorry about that. Cheers, Dick Johnson Penguin : Linux version 2.4.18 on an i686 machine (797.90 BogoMips). The US military has given us many words, FUBAR, SNAFU, now ENRON. Yes, top management were graduates of West Point and Annapolis. - 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/