From owner-freebsd-fs  Thu Apr 24 12:33:43 1997
Return-Path: <owner-fs>
Received: (from root@localhost)
          by hub.freebsd.org (8.8.5/8.8.5) id MAA25858
          for fs-outgoing; Thu, 24 Apr 1997 12:33:43 -0700 (PDT)
Received: from root.com (implode.root.com [198.145.90.17])
          by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id MAA25853
          for <fs@freebsd.org>; Thu, 24 Apr 1997 12:33:41 -0700 (PDT)
Received: from localhost (localhost [127.0.0.1]) by root.com (8.8.5/8.6.5) with SMTP id MAA10488; Thu, 24 Apr 1997 12:34:49 -0700 (PDT)
Message-Id: <199704241934.MAA10488@root.com>
X-Authentication-Warning: implode.root.com: localhost [127.0.0.1] didn't use HELO protocol
To: Narvi <narvi@haldjas.folklore.ee>
cc: Poul-Henning Kamp <phk@dk.tfs.com>, fs@freebsd.org
Subject: Re: the namei cache... 
In-reply-to: Your message of "Thu, 24 Apr 1997 20:24:11 +0300."
             <Pine.BSF.3.95.970424200621.17927A-100000@haldjas.folklore.ee> 
From: David Greenman <dg@root.com>
Reply-To: dg@root.com
Date: Thu, 24 Apr 1997 12:34:49 -0700
Sender: owner-fs@freebsd.org
X-Loop: FreeBSD.org
Precedence: bulk

>about 1/4th of the additions. Getting reed of the div wouldn't also be bad
>but might not be worth it.

   Not worth it? At greater than 50 cycles, the divide is more expensive
than the entire add loop.

-DG

David Greenman
Core-team/Principal Architect, The FreeBSD Project