Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 31 Oct 2000 17:02:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 31 Oct 2000 17:02:16 -0500 Received: from chiara.elte.hu ([157.181.150.200]:45063 "HELO chiara.elte.hu") by vger.kernel.org with SMTP id ; Tue, 31 Oct 2000 17:02:05 -0500 Date: Wed, 1 Nov 2000 00:12:01 +0100 (CET) From: Ingo Molnar Reply-To: mingo@elte.hu To: "Jeff V. Merkey" Cc: Pavel Machek , linux-kernel@vger.kernel.org Subject: Re: 2.2.18Pre Lan Performance Rocks! In-Reply-To: <39FF3F0B.81A1EE13@timpanogas.org> 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 On Tue, 31 Oct 2000, Jeff V. Merkey wrote: > > > > Excuse me, 857,000,000 instructions executed and 460,000,000 > > > > context switches a second -- on a PII system at 350 Mhz. [...] > > > > > That's more than one context switch per clock. I do not think so. > > > Really go and check those numbers. > > > > yep, you cannot have 460 million context switches on that system, > > unless you have some Clintonesque definition for 'context switch' ;-) > > The numbers don't lie. [...] sure ;) I can do infinite context switches! You dont believe? See: #define schedule() do { } while (0) [there is a small restriction, should only be used in single-task systems.] Ingo - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/