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Date: Wed, 22 Aug 2012 15:26:20 -0400
From: Rik van Riel <riel@redhat.com>
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Subject: Re: [PATCH 00/36] AutoNUMA24
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To: Andrea Arcangeli <aarcange@redhat.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Hillf Danton <dhillf@gmail.com>, Dan Smith <danms@us.ibm.com>, Linus Torvalds <torvalds@linux-foundation.org>, Andrew Morton <akpm@linux-foundation.org>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>, Paul Turner <pjt@google.com>, Suresh Siddha <suresh.b.siddha@intel.com>, Mike Galbraith <efault@gmx.de>, "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>, Lai Jiangshan <laijs@cn.fujitsu.com>, Bharata B Rao <bharata.rao@gmail.com>, Lee Schermerhorn <Lee.Schermerhorn@hp.com>, Johannes Weiner <hannes@cmpxchg.org>, Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>, Christoph Lameter <cl@linux.com>, Alex Shi <alex.shi@intel.com>, Mauricio Faria de Oliveira <mauricfo@linux.vnet.ibm.com>, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>, Don Morris <don.morris@hp.com>, Benjamin Herrenschmidt <benh@kernel.crashing.org>

On 08/22/2012 10:58 AM, Andrea Arcangeli wrote:
> Hello everyone,
>
> Before the Kernel Summit, I think it's good idea to post a new
> AutoNUMA24 and to go through a new review cycle. The last review cycle
> has been fundamental in improving the patchset. Thanks!

Thanks for improving the code and incorporating all our
feedback. The AutoNUMA codebase is now in a state where
I can live with it.

I hope the code will be acceptable to others, too.

> The objective of AutoNUMA is to be able to perform as close as
> possible to (and sometime faster than) the NUMA hard CPU/memory
> bindings setups, without requiring the administrator to manually setup
> any NUMA hard bind.

It is a difficult problem, but the performance numbers
I have seen before (with older versions) seem to suggest
that AutoNUMA is accomplishing the goal.

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