From owner-freebsd-current@FreeBSD.ORG Sun May 9 08:35:46 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 60C7E16A4DF; Sun, 9 May 2004 08:35:45 -0700 (PDT) Received: from harmony.village.org (rover.village.org [168.103.84.182]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7DBAF43D48; Sun, 9 May 2004 08:35:44 -0700 (PDT) (envelope-from imp@bsdimp.com) Received: from localhost (warner@rover2.village.org [10.0.0.1]) by harmony.village.org (8.12.10/8.12.9) with ESMTP id i47DjWOd021566; Fri, 7 May 2004 07:45:32 -0600 (MDT) (envelope-from imp@bsdimp.com) Date: Fri, 07 May 2004 07:46:16 -0600 (MDT) Message-Id: <20040507.074616.94036415.imp@bsdimp.com> To: brad.knowles@skynet.be From: "M. Warner Losh" In-Reply-To: References: X-Mailer: Mew version 3.3 on Emacs 21.3 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit cc: freebsd-current@freebsd.org cc: rwatson@freebsd.org Subject: Re: 4.7 vs 5.2.1 SMP/UP bridging performance X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 09 May 2004 15:35:46 -0000 In message: Brad Knowles writes: : At 10:55 PM -0400 2004/05/06, Robert Watson wrote: : : > On occasion, I've had conversations with Peter Wemm about providing HAL : > modules with optimized versions of various common routines for specific : > hardware platforms. However, that would require us to make a trade-off : > between the performance benefits of inlining and the performance benefits : > of a HAL module... : : I'm confused. Couldn't you just do this sort of stuff as : conditional macros, which would have both benefits? That makes sharing biniares much harder... Warner