linux-kernel - Re: [PATCH 4/4] sched/fair: Use a recently used CPU as an idle candidate and the basis for SIS

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Message-ID: <1517319322.6724.4.camel@gmx.de>
Date:   Tue, 30 Jan 2018 14:35:22 +0100
From:   Mike Galbraith <efault@....de>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Mel Gorman <mgorman@...hsingularity.net>,
        Matt Fleming <matt@...eblueprint.co.uk>,
        LKML <linux-kernel@...r.kernel.org>, rjw@...ysocki.net,
        srinivas.pandruvada@...ux.intel.com
Subject: Re: [PATCH 4/4] sched/fair: Use a recently used CPU as an idle
 candidate and the basis for SIS

On Tue, 2018-01-30 at 14:25 +0100, Peter Zijlstra wrote:
> On Tue, Jan 30, 2018 at 02:15:44PM +0100, Mike Galbraith wrote:
> > On Tue, 2018-01-30 at 12:57 +0000, Mel Gorman wrote:
> > > On Tue, Jan 30, 2018 at 12:50:54PM +0100, Peter Zijlstra wrote:
> > > 
> > > > Mel, what hardware are you testing this on?
> > > 
> > > The primary one was a single socket skylake machine with 8 threads (HT
> > > enabled).
> > 
> > I took it for a spin in a 2 x Gold 6152 box.
> 
> Can you translate that marketing speak for a simpleton like me? That's
> what we should've called SKL-EP, right?

Um um.. danged if I know.  It's SKL, w. 22 cores each + SMT.

	-Mike