linux-kernel - Re: [PATCH 0/8] locking/core patches

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Message-ID: <20140211071700.GH27965@twins.programming.kicks-ass.net>
Date:	Tue, 11 Feb 2014 08:17:00 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, Jason Low <jason.low2@...com>,
	Waiman Long <waiman.long@...com>, mingo@...nel.org,
	paulmck@...ux.vnet.ibm.com, torvalds@...ux-foundation.org,
	tglx@...utronix.de, riel@...hat.com, davidlohr@...com,
	hpa@...or.com, andi@...stfloor.org, aswin@...com,
	scott.norton@...com, chegu_vinod@...com
Subject: Re: [PATCH 0/8] locking/core patches

On Mon, Feb 10, 2014 at 03:02:30PM -0800, Andrew Morton wrote:
> On Mon, 10 Feb 2014 20:58:20 +0100 Peter Zijlstra <peterz@...radead.org> wrote:
> 
> > Hi all,
> > 
> > I would propose merging the following patches...
> > 
> > The first set is mostly from Jason and tweaks the mutex adaptive
> > spinning, AIM7 throughput numbers:
> > 

                         Jobs/min/ Jobs/sec/ Time:   Time:  Time:   Time:           Running child time
         Forks  Jobs/min   child    child parent  childU childS  std_dev   JTI   :max  :min

> > PRE:  100   2000.04  21564.90 2721.29 311.99     3.12       0.01     0.00     99
> > POST: 100   2000.04  42603.85 5142.80 311.99     3.12       0.00     0.00     99
> 
> What do these columns represent?  I'm guessing the large improvement
> was in context switches?

I pasted the header from reaim above; I'm not entirely sure what the
bloody thing does and I hate that it takes hours to get these numbers :/

Bloody stupid benchmark if you ask me.

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