From owner-freebsd-arch Wed May 23 9: 0:39 2001 Delivered-To: freebsd-arch@freebsd.org Received: from Awfulhak.org (awfulhak.demon.co.uk [194.222.196.252]) by hub.freebsd.org (Postfix) with ESMTP id 2BAA937B424; Wed, 23 May 2001 09:00:35 -0700 (PDT) (envelope-from brian@Awfulhak.org) Received: from hak.lan.Awfulhak.org (root@hak.lan.Awfulhak.org [172.16.0.12]) by Awfulhak.org (8.11.3/8.11.3) with ESMTP id f4NG0XY10981; Wed, 23 May 2001 17:00:33 +0100 (BST) (envelope-from brian@lan.Awfulhak.org) Received: from hak.lan.Awfulhak.org (brian@localhost [127.0.0.1]) by hak.lan.Awfulhak.org (8.11.3/8.11.3) with ESMTP id f4NG0VF05877; Wed, 23 May 2001 17:00:31 +0100 (BST) (envelope-from brian@hak.lan.Awfulhak.org) Message-Id: <200105231600.f4NG0VF05877@hak.lan.Awfulhak.org> X-Mailer: exmh version 2.3.1 01/18/2001 with nmh-1.0.4 To: Mike Smith Cc: Brian Somers , freebsd-arch@FreeBSD.ORG, brian@Awfulhak.org Subject: Re: RFC: unit_list routines In-Reply-To: Message from Mike Smith of "Wed, 23 May 2001 08:25:22 PDT." <200105231525.f4NFPMq00934@mass.dis.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Wed, 23 May 2001 17:00:31 +0100 From: Brian Somers Sender: owner-freebsd-arch@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG > > unit_list just concerns itself with allocating a bunch of int ranges. > > > > Do you really think it's appropriate to try to re-use the rman stuff > > for what I want to do ? > > Yes. By all means, wrap the rman interface with something that makes it > clearer what you're doing, but if you're managing a finite set of > resources of some sort, you should avoid reinventing the wheel where > possible. The way I see it, I need a wheel. rman is a chassis that you can attach a wheel to. I'd rather have my own private wheel as I don't need the tires, inner tubes and all the other stuff that comes with rman :) > (It's not clear yet whether any of the items on your list actually relate > to tangible performance penalties, about the only good reason to consider > NIH.) My real problems are the mutexes (unnecessary contention), the memory overheads (all this extra zero-filled memory) and the obfuscation. > -- > ... every activity meets with opposition, everyone who acts has his > rivals and unfortunately opponents also. But not because people want > to be opponents, rather because the tasks and relationships force > people to take different points of view. [Dr. Fritz Todt] > V I C T O R Y N O T V E N G E A N C E -- Brian Don't _EVER_ lose your sense of humour ! To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message