Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 18 Dec 2002 15:14:28 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 18 Dec 2002 15:14:27 -0500 Received: from chaos.analogic.com ([204.178.40.224]:2188 "EHLO chaos.analogic.com") by vger.kernel.org with ESMTP id ; Wed, 18 Dec 2002 15:14:24 -0500 Date: Wed, 18 Dec 2002 15:25:10 -0500 (EST) From: "Richard B. Johnson" Reply-To: root@chaos.analogic.com To: "H. Peter Anvin" cc: Terje Eggestad , Linus Torvalds , Ulrich Drepper , Matti Aarnio , Hugh Dickins , Dave Jones , Ingo Molnar , linux-kernel Subject: Re: Intel P6 vs P7 system call performance In-Reply-To: <3E00D716.1010503@transmeta.com> Message-ID: MIME-Version: 1.0 Content-Type: MULTIPART/MIXED; BOUNDARY="1678434306-1168719212-1040243110=:806" Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 7352 Lines: 162 This message is in MIME format. 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Send mail to mime@docserver.cac.washington.edu for more info. --1678434306-1168719212-1040243110=:806 Content-Type: TEXT/PLAIN; charset=US-ASCII The number of CPU clocks necessary to make the 'far' or full-pointer call by pushing the segment register, the offset, then issuing a 'lret' is 33 clocks on a Pentium II. longcall clocks = 46 call clocks = 13 actual full-pointer call clocks = 33 processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 5 model name : Pentium II (Deschutes) stepping : 1 cpu MHz : 399.573 cache size : 512 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 2 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr bogomips : 797.90 processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 5 model name : Pentium II (Deschutes) stepping : 1 cpu MHz : 399.573 cache size : 512 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 2 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr bogomips : 797.90 Cheers, Dick Johnson Penguin : Linux version 2.4.18 on an i686 machine (797.90 BogoMips). Why is the government concerned about the lunatic fringe? 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