From owner-freebsd-current Mon Dec 4 14:55: 9 2000 From owner-freebsd-current@FreeBSD.ORG Mon Dec 4 14:55:07 2000 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from post.mail.nl.demon.net (post-10.mail.nl.demon.net [194.159.73.20]) by hub.freebsd.org (Postfix) with ESMTP id C313837B400 for ; Mon, 4 Dec 2000 14:55:06 -0800 (PST) Received: from [212.238.54.101] (helo=freebie.demon.nl) by post.mail.nl.demon.net with smtp (Exim 3.14 #2) id 1434Vl-0006Am-00; Mon, 04 Dec 2000 22:55:05 +0000 Received: (from wkb@localhost) by freebie.demon.nl (8.11.1/8.11.0) id eB4MsYc03414; Mon, 4 Dec 2000 23:54:34 +0100 (CET) (envelope-from wkb) Date: Mon, 4 Dec 2000 23:54:34 +0100 From: Wilko Bulte To: Bernd Walter Cc: janb@cs.utep.edu, Bernd Walter , David Greenman , freebsd-current@freebsd.org Subject: Re: current paging strategy Message-ID: <20001204235434.A3400@freebie.demon.nl> References: <20001105175745.A42346@cicely8.cicely.de> <20001204234126.A5927@cicely5.cicely.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2i In-Reply-To: <20001204234126.A5927@cicely5.cicely.de>; from ticso@cicely5.cicely.de on Mon, Dec 04, 2000 at 11:41:26PM +0100 X-OS: FreeBSD 4.2-STABLE X-PGP: finger wilko@freebsd.org Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Mon, Dec 04, 2000 at 11:41:26PM +0100, Bernd Walter wrote: > On Mon, Dec 04, 2000 at 02:36:44PM -0700, janb@cs.utep.edu wrote: > > what exacly do you mean with critical path, here? > > Performance critical. > Most RISC platforms are optimized for 32 and maybe 64 bit structures. > E.g. First generation alphas (without BWX) can't even access anything > smaller than 32bit in memory without doing big magic. > So one byte can become a big impact on performance. One of the reasons anything < EV56 falls out of favor by dBMS folks these days. -- Wilko Bulte Arnhem, the Netherlands wilko@freebsd.org http://www.freebsd.org http://www.nlfug.nl To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message