From: Peter Zijlstra <peterz@infradead.org>
To: Tommaso Cucinotta <tommaso.cucinotta@sssup.it>
Cc: Luca Abeni <luca.abeni@unitn.it>,
Juri Lelli <juri.lelli@gmail.com>, Ingo Molnar <mingo@redhat.com>,
linux-kernel@vger.kernel.org, linux-dl@retis.sssup.it
Subject: Re: SCHED_DEADLINE cpudeadline.{h,c} fixup
Date: Fri, 19 Aug 2016 14:58:19 +0200 [thread overview]
Message-ID: <20160819125819.GF10121@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <1471184828-12644-1-git-send-email-tommaso.cucinotta@sssup.it>
On Sun, Aug 14, 2016 at 04:27:05PM +0200, Tommaso Cucinotta wrote:
> Hi,
>
> this is a rework of the cpudeadline bugfix and speed-up patch-set, that
> integrates all comments received so far from Luca, Juri and Peter.
>
> Compared with the previous post, here:
> -) I'm keeping out the minimally invasive bugfix, as it's already been
> merged in tip/sched/core
> -) I moved some little code refactory around change_key_dl() out of the
> (now) 2nd patch, to the 1st one. Now the 2nd (speed-up) patch just
> changes the heapify_up/down() functions
> -) I rebased on top of commit f0b22e39
> -) I repeated an extensive set of tests through the framework published
> separately at: https://github.com/tomcucinotta/cpudl-bench
> repeating new no-behavior-change tests, new heap-consistency tests,
> and new a/b benchmarks (I'm working on a new i5 laptop now), results at:
> https://github.com/tomcucinotta/cpudl-bench/blob/master/cpudl-100000.pdf
> highlighting up to a 14% speed-up when averaging over 100K ops. See the
> enclosed README in that repo for more info.
Thanks!
next prev parent reply other threads:[~2016-08-19 12:59 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1468880275-4338-1-git-send-email-tommaso.cucinotta@sssup.it>
2016-08-14 14:27 ` SCHED_DEADLINE cpudeadline.{h,c} fixup Tommaso Cucinotta
2016-08-14 14:27 ` [RFC PATCH 1/3] sched/deadline: refactor cpu heap code Tommaso Cucinotta
2016-09-05 11:53 ` [tip:sched/core] sched/deadline: Refactor CPU " tip-bot for Tommaso Cucinotta
2016-08-14 14:27 ` [RFC PATCH 2/3] sched/deadline: make cpu heap faster avoiding real swaps on heapify Tommaso Cucinotta
2016-09-05 11:54 ` [tip:sched/core] sched/deadline: Make CPU " tip-bot for Tommaso Cucinotta
2016-08-14 14:27 ` [RFC PATCH 3/3] sched/deadline: split cpudl_set() into cpudl_set() and cpudl_clear() Tommaso Cucinotta
2016-09-05 11:54 ` [tip:sched/core] sched/deadline: Split " tip-bot for Tommaso Cucinotta
2016-08-19 12:58 ` Peter Zijlstra [this message]
2016-07-19 9:44 SCHED_DEADLINE cpudeadline.{h,c} fixup Tommaso Cucinotta
-- strict thread matches above, loose matches on Subject: below --
2016-05-19 16:02 Tommaso Cucinotta
2016-05-16 16:00 Tommaso Cucinotta
2016-05-17 11:46 ` luca abeni
2016-05-17 22:43 ` Tommaso Cucinotta
2016-05-18 14:22 ` Juri Lelli
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