From owner-freebsd-questions@FreeBSD.ORG Wed Nov 28 03:37:18 2007 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 27D1016A41A for ; Wed, 28 Nov 2007 03:37:18 +0000 (UTC) (envelope-from aryeh.friedman@gmail.com) Received: from py-out-1112.google.com (py-out-1112.google.com [64.233.166.181]) by mx1.freebsd.org (Postfix) with ESMTP id D521413C45D for ; Wed, 28 Nov 2007 03:37:17 +0000 (UTC) (envelope-from aryeh.friedman@gmail.com) Received: by py-out-1112.google.com with SMTP id u77so3096881pyb for ; Tue, 27 Nov 2007 19:37:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:user-agent:mime-version:to:cc:subject:references:in-reply-to:x-enigmail-version:content-type:content-transfer-encoding; bh=YfKBdqqRViciwgLkoW9oYBVgI99BlP5wrMZPHa1gURM=; b=isAoPRAVXmwg2Ny+n6BZH4ueKR7m2e0eNA+d7yr2yBAXVUDWQtcBtSxYtsqai4xyL2j+L/QFTHBGqXZrDbTF+j7YXwgb3H259QtUZkFvehEJvfr6AsWVQjgkWuWmcoWo/NEDevQeeluzl5GiSZehVfepeC6oCDM8BlOr0dtcP7s= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=received:message-id:date:from:user-agent:mime-version:to:cc:subject:references:in-reply-to:x-enigmail-version:content-type:content-transfer-encoding; b=OAdyKPCMgAFNJtdYaCehnDuEaYW9uPEuDTsnA93aPvzQv+MqIdsilkIdyDC3SaQHuNV4WiwDa1456bR92dYwYuHa62uIII5fgGnMN+z3rE+ITtNmPJ2hRi0K3yyhk8j8zrDVYd76114D9NpOQdEFW6AjTHtewdYn2Ojl7omKwkQ= Received: by 10.65.239.14 with SMTP id q14mr7021207qbr.1196221035693; Tue, 27 Nov 2007 19:37:15 -0800 (PST) Received: from ?192.168.2.2? ( [67.85.89.184]) by mx.google.com with ESMTPS id e16sm2691563qba.2007.11.27.19.37.14 (version=TLSv1/SSLv3 cipher=RC4-MD5); Tue, 27 Nov 2007 19:37:14 -0800 (PST) Message-ID: <474CE269.4000608@gmail.com> Date: Tue, 27 Nov 2007 22:37:13 -0500 From: "Aryeh M. Friedman" User-Agent: Thunderbird 2.0.0.9 (X11/20071125) MIME-Version: 1.0 To: Brian References: <474C3A12.9040107@gmail.com> <200711271657.00637.pieter@degoeje.nl> <474CA4E7.9060401@cran.org.uk> <20071127161036.L1233@numail.brianwhalen.net> In-Reply-To: <20071127161036.L1233@numail.brianwhalen.net> X-Enigmail-Version: 0.95.5 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Bruce Cran , Pieter de Goeje , Andy Greenwood , freebsd-questions@freebsd.org Subject: Re: Upper limit on make -j ? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Nov 2007 03:37:18 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Brian wrote: > Isn't 1000 an unrealistically high value? > For the next few years maybe but with core counts going up I can easily see a 512 or 1024 core machine by say 2015.. i.e. Moore's law may not apply to single tasking chips any mores but it seems to be in full force for multi-core ones... this brings me to why I tried it in the first place I was exploring weither or not FreeBSD was ready for this kind of core count (specifically the idea of a multitasking OS scheduling by allocating one process per core for core counts greater then say 64)... I am in the process of considering the design requirements for a OS I plan to do from the ground up and like to know the limits of current ones. - -- Aryeh M. Friedman Developer, not business, friendly http://www.flosoft-systems.com -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFHTOJpJ9+1V27SttsRAhMCAJ902zwVIxCGecI2cAdIm2bywN383ACfU243 HMUWkzcO8hH87PecYBmkgLc= =5614 -----END PGP SIGNATURE-----