From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from cs.amherst.edu ("port 1422"@host-17.subnet-238.amherst.edu [148.85.238.17]) by amherst.edu (PMDF V6.0-24 #39159) with ESMTP id <01JRVDKN09JO8WXBXZ@amherst.edu> for linux-mm@kvack.org; Mon, 17 Jul 2000 10:58:19 -0400 (EDT) Date: Mon, 17 Jul 2000 10:55:52 -0400 From: "Scott F. Kaplan" Subject: Re: [PATCH] 2.2.17pre7 VM enhancement Re: I/O performance on Message-id: <39731E78.C152D049@cs.amherst.edu> MIME-version: 1.0 Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7bit References: <200007171446.KAA07554@devserv.devel.redhat.com> Sender: owner-linux-mm@kvack.org Return-Path: To: linux-mm@kvack.org List-ID: Alan Cox wrote: > Modern OS designers are consistently seeing LFU work better. In our case this > is partly theory in the FreeBSD case its proven by trying it. Have any of the FreeBSD people compiled some results to this effect? I'd be interested to see under what circumstances LFU works better, and just what approximations of both LRU and LFU are being used. There could be something interesting in such results, as years of other experiments have shown otherwise. Scott Kaplan sfkaplan@cs.amherst.edu http://www.cs.amherst.edu/~sfkaplan -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux.eu.org/Linux-MM/