From owner-freebsd-hackers@FreeBSD.ORG Tue Feb 24 19:07:42 2009 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C20F210656ED for ; Tue, 24 Feb 2009 19:07:42 +0000 (UTC) (envelope-from spsneo@gmail.com) Received: from el-out-1112.google.com (el-out-1112.google.com [209.85.162.179]) by mx1.freebsd.org (Postfix) with ESMTP id 615488FC16 for ; Tue, 24 Feb 2009 19:07:42 +0000 (UTC) (envelope-from spsneo@gmail.com) Received: by el-out-1112.google.com with SMTP id r27so1892820ele.13 for ; Tue, 24 Feb 2009 11:07:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=OR+LwPWyMK/z/vw6E7Smf1ceJTA0AdSgF/8Z3ke/Y0Y=; b=nsMMn6zDMyA0Zdp2XhgTzJwyi6CpTSjkL0sAUR+exmKXill4+uVbHcw6LEof3+p4p9 CcJI4EMkCRAdChoeaoQvoErNeoYJj8WylxZWkdevWtHPcI8x64gBFrZh4SK70vzwUkZx Eglao6b7K5gzf7Q5GKoVPUQE4x+E2oDb8nVuQ= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=JuOA1r5UHlsW/bXxKG4CIPl9y98cu8b7YkMxbtG0/KQWIfzIiBIKSyMT+L/XHIeaQ/ 0EU5/XP5chZCyuRR9O9S26pQgU5d03IMAmsn5NivEXNkybbVHgvk4LKUcZOlacwytGWW cx71yjZGgzLpazWN2SBeJJK5WP9NlXLhquwDA= MIME-Version: 1.0 Received: by 10.110.31.5 with SMTP id e5mr8252151tie.35.1235502460454; Tue, 24 Feb 2009 11:07:40 -0800 (PST) In-Reply-To: <1aa142960902241100u671d5f90u769ad98e08fabb43@mail.gmail.com> References: <1aa142960902241100u671d5f90u769ad98e08fabb43@mail.gmail.com> Date: Wed, 25 Feb 2009 00:37:40 +0530 Message-ID: From: Siddharth Prakash Singh To: Ray Mihm Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-hackers@freebsd.org, jeff@freebsd.org Subject: Re: Google SoC 2009 Idea X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Feb 2009 19:07:43 -0000 On Wed, Feb 25, 2009 at 12:30 AM, Ray Mihm wrote: >> Title: Multicore Aware Process Scheduler. >> I have not gone through the process scheduler code of Free BSD. >> Hence, I am not yet aware about the current support for Multicore >> Architectures. > > Talk to jeff@freebsd.org, the author of ULE. What are your opinions on this project? What is the scope of this project? > >> Linux Kernel 2.6.* currently supports SMP, SMT, NUMA architectures. Does the current scheduler has support for "CPU affinity/binding", mechanism for distinguishing varying capability of CPUs. > > These may be there already in ULE, although I'm not sure about NUMA. > > Ray > Waiting for your response, Siddharth -- Siddharth Prakash Singh http://www.spsneo.com