Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 25 Jan 2002 22:02:08 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 25 Jan 2002 22:01:58 -0500 Received: from zero.tech9.net ([209.61.188.187]:39436 "EHLO zero.tech9.net") by vger.kernel.org with ESMTP id ; Fri, 25 Jan 2002 22:01:48 -0500 Subject: Re: [PATCH] syscall latency improvement #1 From: Robert Love To: Andrew Morton Cc: torvalds@transmeta.com, ak@suse.de, linux-kernel@vger.kernel.org In-Reply-To: <3C521003.991A690B@zip.com.au> In-Reply-To: <3C521003.991A690B@zip.com.au> Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Evolution/1.0.1 Date: 25 Jan 2002 22:06:51 -0500 Message-Id: <1012014412.3799.259.camel@phantasy> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2002-01-25 at 21:10, Andrew Morton wrote: > With cli: > ./a.out 22.05s user 15.31s system 99% cpu 37.361 total > > without cli: > ./a.out 18.29s user 17.42s system 99% cpu 35.731 total > > > That's 4.6%. Intel P3. Same program, AMD Athlon MP 1600 (booted UP), kernel 2.5.3-pre5. with cli: real 0m19.706s user 0m11.400s sys 0m8.290s without cli: real 0m19.449s user 0m10.630s sys 0m8.820s That is 1.3% improvement. Robert Love - 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/