linux-pm.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Pavel Machek <pavel@ucw.cz>
To: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
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] Support Intel® Turbo Boost Max Technology 3.0
Date: Thu, 15 Sep 2016 14:14:30 +0200	[thread overview]
Message-ID: <20160915121430.GD13132@amd> (raw)
In-Reply-To: <1472762024-88771-1-git-send-email-srinivas.pandruvada@linux.intel.com>

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

  parent reply	other threads:[~2016-09-15 12:14 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-01 20:33 [PATCH v2 0/8] Support Intel® Turbo Boost Max Technology 3.0 Srinivas Pandruvada
2016-09-01 20:33 ` [PATCH v2 1/8] sched, x86: Add SD_ASYM_PACKING flags to x86 cpu topology for ITMT Srinivas Pandruvada
2016-09-01 20:33 ` [PATCH v2 2/8] sched: Extend scheduler's asym packing Srinivas Pandruvada
2016-09-08  8:01   ` Peter Zijlstra
2016-09-08 18:03     ` Tim Chen
2016-09-08 18:21       ` Peter Zijlstra
2016-09-01 20:33 ` [PATCH v2 3/8] x86, cpu: provide a function topology_num_packages to enumerate #packages Srinivas Pandruvada
2016-09-01 20:33 ` [PATCH v2 4/8] sched, x86: use arch_update_cpu_topology to indicate x86 need sched domain rebuild Srinivas Pandruvada
2016-09-01 20:33 ` [PATCH v2 5/8] sched,x86: Enable Turbo Boost Max Technology Srinivas Pandruvada
2016-09-08  7:59   ` Peter Zijlstra
2016-09-08 18:09     ` Tim Chen
2016-09-08 18:22       ` Peter Zijlstra
2016-09-08 18:28         ` Srinivas Pandruvada
2016-09-08 18:33           ` Peter Zijlstra
2016-09-08 18:41             ` Srinivas Pandruvada
2016-09-08 21:22           ` Rafael J. Wysocki
2016-09-01 20:33 ` [PATCH v2 6/8] acpi: bus: Enable HWP CPPC objects Srinivas Pandruvada
2016-09-01 23:15   ` kbuild test robot
2016-09-01 23:46     ` Srinivas Pandruvada
2016-09-01 20:33 ` [PATCH v2 7/8] acpi: bus: Set _OSC for diverse core support Srinivas Pandruvada
2016-09-01 20:33 ` [PATCH v2 8/8] cpufreq: intel_pstate: Use CPPC to get max performance Srinivas Pandruvada
2016-09-01 22:31   ` kbuild test robot
2016-09-08  8:02 ` [PATCH v2 0/8] Support Intel® Turbo Boost Max Technology 3.0 Peter Zijlstra
2016-09-15 12:14 ` Pavel Machek [this message]
2016-09-15 12:46   ` One Thousand Gnomes
2016-09-16 16:03     ` Tim Chen

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20160915121430.GD13132@amd \
    --to=pavel@ucw.cz \
    --cc=bp@suse.de \
    --cc=linux-acpi@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pm@vger.kernel.org \
    --cc=mingo@redhat.com \
    --cc=peterz@infradead.org \
    --cc=rjw@rjwysocki.net \
    --cc=srinivas.pandruvada@linux.intel.com \
    --cc=tglx@linutronix.de \
    --cc=tim.c.chen@linux.intel.com \
    --cc=x86@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).