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From: Rik van Riel <riel@redhat.com>
To: Lauro Ramos Venancio <lvenanci@redhat.com>, linux-kernel@vger.kernel.org
Cc: lwang@redhat.com, Mike Galbraith <efault@gmx.de>,
	Peter Zijlstra <peterz@infradead.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@kernel.org>
Subject: Re: [RFC 2/3] sched/topology: fix sched groups on NUMA machines with mesh topology
Date: Thu, 13 Apr 2017 11:16:42 -0400
Message-ID: <1492096602.2896.4.camel@redhat.com> (raw)
In-Reply-To: <1492091769-19879-3-git-send-email-lvenanci@redhat.com>

On Thu, 2017-04-13 at 10:56 -0300, Lauro Ramos Venancio wrote:
> 
> SPECjbb2005 results on an 8 NUMA nodes machine with mesh topology
> 
> Threads       before              after          %
>            mean   stddev      mean    stddev
>   1       22801   1950        27059   1367     +19%
>   8       146008  50782       209193  826      +43%
>   32      351030  105111      522445  9051     +49%
>   48      365835  116571      594905  3314     +63%

Impressive!

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

Acked-by: Rik van Riel <riel@redhat.com>

  reply index

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-13 13:56 [RFC 0/3] " Lauro Ramos Venancio
2017-04-13 13:56 ` [RFC 1/3] sched/topology: Refactor function build_overlap_sched_groups() Lauro Ramos Venancio
2017-04-13 14:50   ` Rik van Riel
2017-05-15  9:02   ` [tip:sched/core] " tip-bot for Lauro Ramos Venancio
2017-04-13 13:56 ` [RFC 2/3] sched/topology: fix sched groups on NUMA machines with mesh topology Lauro Ramos Venancio
2017-04-13 15:16   ` Rik van Riel [this message]
2017-04-13 15:48   ` Peter Zijlstra
2017-04-13 20:21     ` Lauro Venancio
2017-04-13 21:06       ` Lauro Venancio
2017-04-13 23:38         ` Rik van Riel
2017-04-14 10:48           ` Peter Zijlstra
2017-04-14 11:38   ` Peter Zijlstra
2017-04-14 12:20     ` Peter Zijlstra
2017-05-15  9:03       ` [tip:sched/core] sched/fair, cpumask: Export for_each_cpu_wrap() tip-bot for Peter Zijlstra
2017-05-17 10:53         ` hackbench vs select_idle_sibling; was: " Peter Zijlstra
2017-05-17 12:46           ` Matt Fleming
2017-05-17 14:49           ` Chris Mason
2017-05-19 15:00           ` Matt Fleming
2017-06-05 13:00             ` Matt Fleming
2017-06-06  9:21               ` Peter Zijlstra
2017-06-09 17:52                 ` Chris Mason
2017-06-08  9:22           ` [tip:sched/core] sched/core: Implement new approach to scale select_idle_cpu() tip-bot for Peter Zijlstra
2017-04-14 16:58     ` [RFC 2/3] sched/topology: fix sched groups on NUMA machines with mesh topology Peter Zijlstra
2017-04-17 14:40       ` Lauro Venancio
2017-04-13 13:56 ` [RFC 3/3] sched/topology: Different sched groups must not have the same balance cpu Lauro Ramos Venancio
2017-04-13 15:27   ` Rik van Riel
2017-04-14 16:49   ` Peter Zijlstra
2017-04-17 15:34     ` Lauro Venancio
2017-04-18 12:32       ` Peter Zijlstra

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