From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934570AbcIOMOg (ORCPT ); Thu, 15 Sep 2016 08:14:36 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:57455 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756393AbcIOMOe (ORCPT ); Thu, 15 Sep 2016 08:14:34 -0400 Date: Thu, 15 Sep 2016 14:14:30 +0200 From: Pavel Machek To: Srinivas Pandruvada Cc: rjw@rjwysocki.net, tglx@linutronix.de, mingo@redhat.com, bp@suse.de, peterz@infradead.org, x86@kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, tim.c.chen@linux.intel.com Subject: Re: [PATCH v2 0/8] =?iso-8859-1?Q?Support_?= =?iso-8859-1?Q?Intel=AE?= Turbo Boost Max Technology 3.0 Message-ID: <20160915121430.GD13132@amd> References: <1472762024-88771-1-git-send-email-srinivas.pandruvada@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1472762024-88771-1-git-send-email-srinivas.pandruvada@linux.intel.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi! > - Feature is enabled by default for single socket systems > > With Intel® Turbo Boost Max Technology 3.0 (ITMT), single-threaded performance is > optimized by identifying processor's fastest core and running critical workloads > on it. > Refere to: > http://www.intel.com/content/www/us/en/architecture-and-technology/turbo-boost/turbo-boost-max-technology.html That does not really explain much. How does it work? Do the different cores have different max frequencies due to manufacturing differences? Ot is it running the workload on coldest core? Thanks, Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html