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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Manfred Spraul <manfred@colorfullife.com>, linux-kernel@vger.kernel.org
Cc: Davidlohr Bueso <dave@stgolabs.net>,
	Andrew Morton <akpm@linux-foundation.org>,
	George Spelvin <linux@horizon.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH] ipc/msg: Implement lockless pipelined wakeups
Date: Tue, 3 Nov 2015 15:51:39 +0100	[thread overview]
Message-ID: <5638C9FB.9080404@linutronix.de> (raw)
In-Reply-To: <563595C3.5090609@colorfullife.com>

On 11/01/2015 05:32 AM, Manfred Spraul wrote:
> Hi Sebastian,

Hi Manfred,

> with regards to functional tests:
> fakeroot is a heavy system V user (at least if it is configured for sysv).
> "make -j" under fakeroot was a useful stresstest

I don't see the msgsnd/msgrcv syscalls here. I do see others, sem
related for instance….

> with regards to benchmarks:
> I've attached one of my files.

Thank you. On 'AMD A10-7800 Radeon R7, 12 Compute Cores 4C+8G' I have
here:

test             |  before    |   after    | diff
-----------------|------------|-------------
pmsg-shared 8 60 | 52,386,363 | 56,455,763 | + ~7.77%
pmsg-shared 2 60 | 69,200,531 | 73,346,420 | + ~5.99%

so it improved a little :)

> Otherwise: Nice!
> 
> -- 
>     Manfred
> 

Sebastian

      reply	other threads:[~2015-11-03 14:52 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-30 11:26 [PATCH] ipc/msg: Implement lockless pipelined wakeups Sebastian Andrzej Siewior
2015-10-30 22:30 ` George Spelvin
2015-11-03 14:01   ` Sebastian Andrzej Siewior
2015-10-31 10:31 ` Thomas Gleixner
2015-10-31 13:02   ` George Spelvin
2015-10-31 15:17     ` Thomas Gleixner
2015-10-31 18:54     ` Davidlohr Bueso
2015-10-31 19:06       ` Davidlohr Bueso
2015-11-03 14:15         ` Sebastian Andrzej Siewior
2015-11-03 14:11       ` Sebastian Andrzej Siewior
2015-11-01  4:32 ` Manfred Spraul
2015-11-03 14:51   ` Sebastian Andrzej Siewior [this message]

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