All of lore.kernel.org
 help / color / mirror / Atom feed
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]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=5638C9FB.9080404@linutronix.de \
    --to=bigeasy@linutronix.de \
    --cc=akpm@linux-foundation.org \
    --cc=dave@stgolabs.net \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux@horizon.com \
    --cc=manfred@colorfullife.com \
    --cc=peterz@infradead.org \
    --cc=tglx@linutronix.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.