From owner-freebsd-smp Mon Nov 3 11:09:37 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id LAA24860 for smp-outgoing; Mon, 3 Nov 1997 11:09:37 -0800 (PST) (envelope-from owner-freebsd-smp) Received: from mail.cs.tu-berlin.de (root@mail.cs.tu-berlin.de [130.149.17.13]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id LAA24853 for ; Mon, 3 Nov 1997 11:09:34 -0800 (PST) (envelope-from wosch@cs.tu-berlin.de) Received: from panke.panke.de (anonymous230.ppp.cs.tu-berlin.de [130.149.17.230]) by mail.cs.tu-berlin.de (8.8.6/8.8.7) with ESMTP id UAA11067; Mon, 3 Nov 1997 20:03:24 +0100 (MET) Received: (from wosch@localhost) by panke.panke.de (8.8.5/8.6.12) id TAA00456; Mon, 3 Nov 1997 19:07:22 +0100 (MET) To: Chuck Robey Cc: Wolfram Schneider , "Jordan K. Hubbard" , smp@freebsd.org Subject: Re: Some SMP timing tests. References: From: Wolfram Schneider Date: 03 Nov 1997 19:07:18 +0100 In-Reply-To: Chuck Robey's message of Mon, 3 Nov 1997 09:44:23 -0500 (EST) Message-ID: Lines: 14 Sender: owner-freebsd-smp@freebsd.org X-Loop: FreeBSD.org Precedence: bulk Chuck Robey writes: > > > /usr/bin/time -l make -j 12 buildworld: > > > 5389.14 real 3229.98 user 2902.01 sys > > > With patched Makefile and bsd.subdir.mk, same command: > > > 2780.55 real 1696.39 user 1571.73 sys > > I doubt that the patch can reduce the time up to 50%. > I wondered about that too, but I made the conditions as identical as I > could. I wonder what I missed? Did you compare the size of the obj trees? Both should have the same size... -- Wolfram Schneider http://www.apfel.de/~wosch/