From owner-freebsd-current@FreeBSD.ORG Tue Jan 13 01:44:32 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5B53616A4CE; Tue, 13 Jan 2004 01:44:32 -0800 (PST) Received: from smtp.des.no (flood.des.no [217.116.83.31]) by mx1.FreeBSD.org (Postfix) with ESMTP id EAF5A43D48; Tue, 13 Jan 2004 01:44:28 -0800 (PST) (envelope-from des@des.no) Received: by smtp.des.no (Pony Express, from userid 666) id D19D2532D; Tue, 13 Jan 2004 10:44:27 +0100 (CET) Received: from dwp.des.no (des.no [80.203.228.37]) by smtp.des.no (Pony Express) with ESMTP id F00A95323; Tue, 13 Jan 2004 10:44:12 +0100 (CET) Received: by dwp.des.no (Postfix, from userid 2602) id 3F34933C6A; Tue, 13 Jan 2004 10:44:12 +0100 (CET) To: Scott Long References: <20040112223805.GA49251@FreeBSD.org.ua> <20040112233329.GB49251@FreeBSD.org.ua> <20040112172922.G56068@pooker.samsco.home> From: des@des.no (Dag-Erling =?iso-8859-1?q?Sm=F8rgrav?=) Date: Tue, 13 Jan 2004 10:44:12 +0100 In-Reply-To: <20040112172922.G56068@pooker.samsco.home> (Scott Long's message of "Mon, 12 Jan 2004 17:31:34 -0700 (MST)") Message-ID: User-Agent: Gnus/5.090024 (Oort Gnus v0.24) Emacs/21.3 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-Spam-Checker-Version: SpamAssassin 2.61 (1.212.2.1-2003-12-09-exp) on flood.des.no X-Spam-Level: ss X-Spam-Status: No, hits=2.6 required=5.0 tests=RCVD_IN_DYNABLOCK, RCVD_IN_SORBS autolearn=no version=2.61 cc: Ruslan Ermilov cc: Bruce Evans cc: current@FreeBSD.org Subject: Re: Unhappy with recent make(1) changes X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 13 Jan 2004 09:44:32 -0000 Scott Long writes: > Try disabling HTT and seeing how that changes the results. Without a > good scheduler, HTT is a pessimization on CPU-intensive tasks like this. > It's quite possible that the mandatory delay that happened in the old > make(1) actually helped the HTT case a bit. When I tested DES's change, > I turned off HTT in order to not be influenced by it. Maybe switching to > ULE (which is HTT-aware, in theory) would help? The machine on which I tested the patch before committing it is a P4 with HTT enabled, and I'm using SCHED_4BSD, so that shouldn't be an issue. DES --=20 Dag-Erling Sm=F8rgrav - des@des.no