From owner-freebsd-smp Thu Feb 4 19:17:34 1999 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id TAA14452 for freebsd-smp-outgoing; Thu, 4 Feb 1999 19:17:34 -0800 (PST) (envelope-from owner-freebsd-smp@FreeBSD.ORG) Received: from iquest3.iquest.net (iquest3.iquest.net [209.43.20.203]) by hub.freebsd.org (8.8.8/8.8.8) with SMTP id TAA14442 for ; Thu, 4 Feb 1999 19:17:33 -0800 (PST) (envelope-from toor@y.dyson.net) Received: (qmail 12956 invoked from network); 5 Feb 1999 03:17:29 -0000 Received: from dyson.iquest.net (HELO y.dyson.net) (198.70.144.127) by iquest3.iquest.net with SMTP; 5 Feb 1999 03:17:29 -0000 Received: (from root@localhost) by y.dyson.net (8.9.1/8.9.1) id WAA00844; Thu, 4 Feb 1999 22:17:28 -0500 (EST) Message-Id: <199902050317.WAA00844@y.dyson.net> Subject: Re: Any documentation on SMP support on 3.0? In-Reply-To: <199902030354.UAA39207@psf.Pinyon.ORG> from "Russell L. Carter" at "Feb 2, 99 08:54:08 pm" To: rcarter@pinyon.org (Russell L. Carter) Date: Thu, 4 Feb 1999 22:17:28 -0500 (EST) Cc: grog@lemis.com, freebsd-smp@FreeBSD.ORG From: "John S. Dyson" Reply-To: dyson@iquest.net X-Mailer: ELM [version 2.4ME+ PL38 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-smp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Russell L. Carter said: > %I'm currently putting together an upgrade for The Complete FreeBSD > %describing the changes in 3.0. I have almost nothing on SMP. As I > %understand it, there isn't much to say, but if anybody could point me > %to some text or tell me of possible gotchas, I'd be grateful. > > Not much to say? :) Well, SMP works very well for parallel > compiles, at least. There is a lot of uncertainty now with > the scheduler, for real-time (posix4) and for threads. But I bought > a box (for work) dedicated to compiles, and am very happy with it. > (2xPII-350,512MB PC100 DIMMS,TYAN 1836SDLUAN, 4.0-current) > I have some scheduler modifications that improve things alittle, and are much more efficient than the old code. If you all are interested, I can post some minor changes (about 10% of my working code) that make things work much more smoothly. -- John | Never try to teach a pig to sing, dyson@iquest.net | it makes one look stupid jdyson@nc.com | and it irritates the pig. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message