From owner-freebsd-chat  Sun Sep 17 05:32:00 1995
Return-Path: owner-chat
Received: (from root@localhost)
          by freefall.freebsd.org (8.6.12/8.6.6) id FAA12886
          for chat-outgoing; Sun, 17 Sep 1995 05:32:00 -0700
Received: from kryten.atinc.com (kryten.Atinc.COM [198.138.38.7])
          by freefall.freebsd.org (8.6.12/8.6.6) with ESMTP id FAA12881
          for <chat@freebsd.org>; Sun, 17 Sep 1995 05:31:56 -0700
Received: (jmb@localhost) by kryten.atinc.com (8.6.9/8.3) id IAA26940; Sun, 17 Sep 1995 08:23:37 -0400
Date: Sun, 17 Sep 1995 08:23:36 -0400 (EDT)
From: "Jonathan M. Bresler" <jmb@kryten.Atinc.COM>
Subject: write-back vs write-thru
To: chat@freebsd.org
Message-ID: <Pine.3.89.9509170859.C25887-0100000@kryten.atinc.com>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Sender: owner-chat@freebsd.org
Precedence: bulk


10% ;)))

on friday i received a brand spanking new 'dirty' chip for the 256kB 
level 2 cache sp3g motherboard i have.

last night i supped -stable and did the usual make world

write-thur:
    30082.80 real     16436.87 user      3887.32 sys
    36442.26 real     16598.26 user      3967.11 sys  <-- excessive use of
							  tail -f by operator
    30638.79 real     16447.05 user      3895.20 sys

write-back:
    27178.79 real     16038.30 user      3789.03 sys


its only one data point and -stable does change from day to day, but 
looks good!

i will run more make world's starting again wednesday night when i return 
from florida.

jmb


Jonathan M. Bresler  jmb@kryten.atinc.com       | Analysis & Technology, Inc.  
FreeBSD Postmaster   jmb@FreeBSD.Org            | 2341 Jeff Davis Hwy
play go.                                        | Arlington, VA 22202
ride bike. hack FreeBSD.--ah the good life      | 703-418-2800 x346