Re: [RFC 2/3] sched/topology: fix sched groups on NUMA machines with mesh topology

From: Rik van Riel
Date: Thu Apr 13 2017 - 11:17:06 EST

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On Thu, 2017-04-13 at 10:56 -0300, Lauro Ramos Venancio wrote:
>Â
> SPECjbb2005 results on an 8 NUMA nodes machine with mesh topology
>
> ThreadsÂÂÂÂÂÂÂbeforeÂÂÂÂÂÂÂÂÂÂÂÂÂÂafterÂÂÂÂÂÂÂÂÂÂ%
> ÂÂÂÂÂÂÂÂÂÂÂmeanÂÂÂstddevÂÂÂÂÂÂmeanÂÂÂÂstddev
> Â 1ÂÂÂÂÂÂÂ22801ÂÂÂ1950ÂÂÂÂÂÂÂÂ27059ÂÂÂ1367ÂÂÂÂÂ+19%
> Â 8ÂÂÂÂÂÂÂ146008ÂÂ50782ÂÂÂÂÂÂÂ209193ÂÂ826ÂÂÂÂÂÂ+43%
> Â 32ÂÂÂÂÂÂ351030ÂÂ105111ÂÂÂÂÂÂ522445ÂÂ9051ÂÂÂÂÂ+49%
> Â 48ÂÂÂÂÂÂ365835ÂÂ116571ÂÂÂÂÂÂ594905ÂÂ3314ÂÂÂÂÂ+63%

Impressive!

> [1] http://www.ece.ubc.ca/~sasha/papers/eurosys16-final29.pdf
>
> Signed-off-by: Lauro Ramos Venancio <lvenanci@xxxxxxxxxx>

Acked-by: Rik van Riel <riel@xxxxxxxxxx>

Next message: Filippo Sironi: "[PATCH] x86, kvm: Handle PFNs outside of kernel reach when touching GPTEs"
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In reply to: Lauro Ramos Venancio: "[RFC 2/3] sched/topology: fix sched groups on NUMA machines with mesh topology"
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