linux-kernel - Re: Phoronix CFS vs BFS bencharks

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 14 Sep 2009 21:14:35 +0200
From:	Marcin Letyns <mletyns@...il.com>
To:	Mike Galbraith <efault@....de>
Cc:	Nikos Chantziaras <realnc@...or.de>, Ingo Molnar <mingo@...e.hu>,
	Con Kolivas <kernel@...ivas.org>, linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: Phoronix CFS vs BFS bencharks

2009/9/14 Mike Galbraith <efault@....de>
>
> On Mon, 2009-09-14 at 16:27 +0200, Marcin Letyns wrote:
> > Hello,
> >
> > Disabling NEW_FAIR_SLEEPERS makes a lot of difference here in the
> > Apache benchmark:
> >
> > 2.6.30.6-bfs: 7311.05
> >
> > 2.6.30.6-cfs-fair_sl_disabled: 8249.17
> >
> > 2.6.30.6-cfs-fair_sl_enabled: 4894.99
>
> Wow.
>
> Some loads like wakeup preemption (mysql+oltp), and some hate it.  This
> load appears to REALLY hate it (as does volanomark, but that thing is
> extremely overloaded).  How many threads does that benchmark run
> concurrently?

>From the benchmark description:

This is a test of ab, which is the Apache Benchmark program. This test
profile measures how many requests per second a given system can
sustain when carrying out 500,000 requests with 100 requests being
carried out concurrently.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/