Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261412AbVEaJYB (ORCPT ); Tue, 31 May 2005 05:24:01 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261480AbVEaJYB (ORCPT ); Tue, 31 May 2005 05:24:01 -0400 Received: from colin.muc.de ([193.149.48.1]:9992 "EHLO mail.muc.de") by vger.kernel.org with ESMTP id S261412AbVEaJX7 (ORCPT ); Tue, 31 May 2005 05:23:59 -0400 Date: 31 May 2005 11:23:58 +0200 Date: Tue, 31 May 2005 11:23:58 +0200 From: Andi Kleen To: Denis Vlasenko Cc: dean gaudet , Jeff Garzik , Benjamin LaHaise , linux-kernel@vger.kernel.org Subject: Re: [RFC] x86-64: Use SSE for copy_page and clear_page Message-ID: <20050531092358.GA9372@muc.de> References: <20050530181626.GA10212@kvack.org> <20050530193225.GC25794@muc.de> <200505311137.00011.vda@ilport.com.ua> <200505311215.06495.vda@ilport.com.ua> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200505311215.06495.vda@ilport.com.ua> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 545 Lines: 15 > Thus with "normal" page clear and "nt" page copy routines > both clear and copy benchmarks run faster than with > stock kernel, both with small and large working set. > > Am I wrong? fork is only a corner case. The main case is a process allocating memory using brk/mmap and then using it. -Andi - 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/