From: Morten Rasmussen <morten.rasmussen@arm.com>
To: KEITA KOBAYASHI <keita.kobayashi.ym@renesas.com>
Cc: "peterz@infradead.org" <peterz@infradead.org>,
"mingo@redhat.com" <mingo@redhat.com>,
"dietmar.eggemann@arm.com" <dietmar.eggemann@arm.com>,
"yuyang.du@intel.com" <yuyang.du@intel.com>,
"vincent.guittot@linaro.org" <vincent.guittot@linaro.org>,
"mgalbraith@suse.de" <mgalbraith@suse.de>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Gaku Inami <gaku.inami.xw@bp.renesas.com>,
Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Subject: Re: [PATCH v2 00/13] sched: Clean-ups and asymmetric cpu capacity support
Date: Fri, 8 Jul 2016 09:18:17 +0100 [thread overview]
Message-ID: <20160708081817.GD12540@e105550-lin.cambridge.arm.com> (raw)
In-Reply-To: <KL1PR0601MB14933791C70E69911A82CE75C33C0@KL1PR0601MB1493.apcprd06.prod.outlook.com>
On Fri, Jul 08, 2016 at 07:35:56AM +0000, KEITA KOBAYASHI wrote:
> Hi,
>
> I tested these patches on Renesas SoC r8a7790(CA15*4 + CA7*4)
> and your preview branch[1] on Renesas SoC r8a7795(CA57*4 + CA53*4).
>
> > Test 0:
> > for i in `seq 1 10`; \
> > do sysbench --test=cpu --max-time=3 --num-threads=1 run;
> > \
> > done \
> > | awk '{if ($4=="events:") {print $5; sum +=$5; runs +=1}} \
> > END {print "Average events: " sum/runs}'
> >
> > Target: ARM TC2 (2xA15+3xA7)
> >
> > (Higher is better)
> > tip: Average events: 146.9
> > patch: Average events: 217.9
> >
> Target: Renesas SoC r8a7790(CA15*4 + CA7*4)
> w/ capacity patches: Average events: 200.2
> w/o capacity patches: Average events: 144.4
>
> Target: Renesas SoC r8a7795(CA57*4 + CA53*4)
> w/ capacity patches : 3587.7
> w/o capacity patches : 2327.8
>
> > Test 1:
> > perf stat --null --repeat 10 -- \
> > perf bench sched messaging -g 50 -l 5000
> >
> > Target: Intel IVB-EP (2*10*2)
> >
> > tip: 4.861970420 seconds time elapsed ( +- 1.39% )
> > patch: 4.886204224 seconds time elapsed ( +- 0.75% )
> >
> > Target: ARM TC2 A7-only (3xA7) (-l 1000)
> >
> > tip: 61.485682596 seconds time elapsed ( +- 0.07% )
> > patch: 62.667950130 seconds time elapsed ( +- 0.36% )
> >
> Target: Renesas SoC r8a7790(CA15*4) (-l 1000)
> w/ capacity patches: 38.955532040 seconds time elapsed ( +- 0.12% )
> w/o capacity patches: 39.424945580 seconds time elapsed ( +- 0.10% )
>
> Target: Renesas SoC r8a7795(CA57*4) (-l 1000)
> w/ capacity patches : 29.804292200 seconds time elapsed ( +- 0.37% )
> w/o capacity patches : 29.838826790 seconds time elapsed ( +- 0.40% )
>
> Tested-by: Keita Kobayashi <keita.kobayashi.ym@renesas.com>
Thank you for testing and sharing your test results. They seem to show a
significant improvement in throughput which is in line with the
measurement we have for the ARM dev boards and the MediaTek SoC.
Thanks,
Morten
next prev parent reply other threads:[~2016-07-08 8:17 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-22 17:03 [PATCH v2 00/13] sched: Clean-ups and asymmetric cpu capacity support Morten Rasmussen
2016-06-22 17:03 ` [PATCH v2 01/13] sched: Fix power to capacity renaming in comment Morten Rasmussen
2016-08-10 18:03 ` [tip:sched/core] sched/core: " tip-bot for Morten Rasmussen
2016-06-22 17:03 ` [PATCH v2 02/13] sched/fair: Consistent use of prev_cpu in wakeup path Morten Rasmussen
2016-06-22 18:04 ` Rik van Riel
2016-06-23 9:56 ` Morten Rasmussen
2016-06-23 12:24 ` Rik van Riel
2016-08-10 18:03 ` [tip:sched/core] sched/fair: Make the use of prev_cpu consistent in the " tip-bot for Morten Rasmussen
2016-06-22 17:03 ` [PATCH v2 03/13] sched/fair: Optimize find_idlest_cpu() when there is no choice Morten Rasmussen
2016-07-13 12:20 ` Vincent Guittot
2016-08-10 18:03 ` [tip:sched/core] " tip-bot for Morten Rasmussen
2016-06-22 17:03 ` [PATCH v2 04/13] sched: Introduce SD_ASYM_CPUCAPACITY sched_domain topology flag Morten Rasmussen
2016-07-11 9:55 ` Peter Zijlstra
2016-07-11 10:42 ` Morten Rasmussen
2016-06-22 17:03 ` [PATCH v2 05/13] sched: Enable SD_BALANCE_WAKE for asymmetric capacity systems Morten Rasmussen
2016-07-11 10:04 ` Peter Zijlstra
2016-07-11 10:37 ` Morten Rasmussen
2016-07-11 11:04 ` Morten Rasmussen
2016-07-11 11:24 ` Peter Zijlstra
2016-07-12 14:26 ` Morten Rasmussen
2016-06-22 17:03 ` [PATCH v2 06/13] sched: Store maximum per-cpu capacity in root domain Morten Rasmussen
2016-07-11 10:18 ` Peter Zijlstra
2016-07-11 16:16 ` Dietmar Eggemann
2016-07-12 11:42 ` Peter Zijlstra
2016-07-13 11:18 ` Dietmar Eggemann
2016-07-13 12:40 ` Vincent Guittot
2016-07-13 13:48 ` Dietmar Eggemann
2016-07-13 16:37 ` Morten Rasmussen
2016-07-14 13:25 ` Vincent Guittot
2016-07-14 15:15 ` Morten Rasmussen
2016-07-15 11:46 ` Morten Rasmussen
2016-07-15 13:39 ` Vincent Guittot
2016-07-15 16:02 ` Morten Rasmussen
2016-07-18 12:48 ` Vincent Guittot
2016-07-18 15:11 ` Morten Rasmussen
2016-06-22 17:03 ` [PATCH v2 07/13] sched/fair: Let asymmetric cpu configurations balance at wake-up Morten Rasmussen
2016-07-11 11:13 ` Peter Zijlstra
2016-07-11 12:32 ` Morten Rasmussen
2016-07-13 12:56 ` Vincent Guittot
2016-07-13 16:14 ` Morten Rasmussen
2016-07-14 13:45 ` Vincent Guittot
2016-07-15 8:37 ` Morten Rasmussen
2016-06-22 17:03 ` [PATCH v2 08/13] sched/fair: Compute task/cpu utilization at wake-up more correctly Morten Rasmussen
2016-06-22 17:03 ` [PATCH v2 09/13] sched/fair: Consider spare capacity in find_idlest_group() Morten Rasmussen
2016-06-22 17:03 ` [PATCH v2 10/13] sched: Add per-cpu max capacity to sched_group_capacity Morten Rasmussen
2016-06-22 17:03 ` [PATCH v2 11/13] sched/fair: Avoid pulling tasks from non-overloaded higher capacity groups Morten Rasmussen
2016-06-23 21:20 ` Sai Gurrappadi
2016-06-30 7:49 ` Morten Rasmussen
2016-07-14 16:39 ` Sai Gurrappadi
2016-07-15 8:39 ` Morten Rasmussen
2016-07-12 12:59 ` Peter Zijlstra
2016-07-12 14:34 ` Morten Rasmussen
2016-06-22 17:03 ` [PATCH v2 12/13] arm: Set SD_ASYM_CPUCAPACITY for big.LITTLE platforms Morten Rasmussen
2016-06-22 17:03 ` [PATCH v2 13/13] arm: Update arch_scale_cpu_capacity() to reflect change to define Morten Rasmussen
2016-06-28 10:20 ` [PATCH v2 00/13] sched: Clean-ups and asymmetric cpu capacity support Koan-Sin Tan
2016-06-30 7:53 ` Morten Rasmussen
2016-07-08 7:35 ` KEITA KOBAYASHI
2016-07-08 8:18 ` Morten Rasmussen [this message]
2016-07-11 8:33 ` Morten Rasmussen
2016-07-11 12:44 ` Vincent Guittot
2016-07-12 13:25 ` Peter Zijlstra
2016-07-12 14:39 ` Morten Rasmussen
2016-07-13 12:06 ` Vincent Guittot
2016-07-13 15:54 ` Morten Rasmussen
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