linux-kernel - Re: [RFC PATCH 00/10] Improve numa scheduling by consolidating tasks

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Message-ID: <20130730093321.GO3008@twins.programming.kicks-ass.net>
Date:	Tue, 30 Jul 2013 11:33:21 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Cc:	Mel Gorman <mgorman@...e.de>, Ingo Molnar <mingo@...nel.org>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Linux-MM <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Preeti U Murthy <preeti@...ux.vnet.ibm.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [RFC PATCH 00/10] Improve numa scheduling by consolidating tasks

On Tue, Jul 30, 2013 at 02:45:43PM +0530, Srikar Dronamraju wrote:

> Can you please suggest workloads that I could try which might showcase
> why you hate pure process based approach?

2 processes, 1 sysvshm segment. I know there's multi-process MPI
libraries out there.

Something like: perf bench numa mem -p 2 -G 4096 -0 -z --no-data_rand_walk -Z
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