From: Ingo Molnar <mingo@kernel.org>
To: Waiman Long <Waiman.Long@hpe.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
linux-kernel@vger.kernel.org, Davidlohr Bueso <dave@stgolabs.net>,
Jason Low <jason.low2@hp.com>, Dave Chinner <david@fromorbit.com>,
Scott J Norton <scott.norton@hpe.com>,
Douglas Hatch <doug.hatch@hpe.com>
Subject: Re: [PATCH v2] locking/rwsem: Add reader-owned state to the owner field
Date: Sat, 7 May 2016 06:56:36 +0200 [thread overview]
Message-ID: <20160507045636.GC27659@gmail.com> (raw)
In-Reply-To: <1462580424-40333-1-git-send-email-Waiman.Long@hpe.com>
* Waiman Long <Waiman.Long@hpe.com> wrote:
> On a 4-socket Haswell machine running on a 4.6-rc1 based kernel, the
> fio test with multithreaded randrw and randwrite tests on the same
> file on a XFS partition on top of a NVDIMM were run, the aggregated
> bandwidths before and after the patch were as follows:
>
> Test BW before patch BW after patch % change
> ---- --------------- -------------- --------
> randrw 988 MB/s 1192 MB/s +21%
> randwrite 1513 MB/s 1623 MB/s +7.3%
What testcase/suite is this? I'd like to run this on other machines as well.
Thanks,
Ingo
next prev parent reply other threads:[~2016-05-07 4:56 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-07 0:20 [PATCH v2] locking/rwsem: Add reader-owned state to the owner field Waiman Long
2016-05-07 4:56 ` Ingo Molnar [this message]
2016-05-08 3:04 ` Waiman Long
2016-05-09 8:27 ` Peter Zijlstra
2016-05-10 2:24 ` Waiman Long
2016-05-10 7:02 ` Peter Zijlstra
2016-05-09 18:44 ` Jason Low
2016-05-10 13:03 ` Davidlohr Bueso
2016-05-11 22:04 ` Peter Hurley
2016-05-12 20:15 ` Waiman Long
2016-05-12 21:27 ` Peter Hurley
2016-05-12 23:13 ` Waiman Long
2016-05-13 15:07 ` Peter Zijlstra
2016-05-13 17:58 ` Peter Hurley
2016-05-15 14:47 ` Waiman Long
2016-05-16 11:09 ` Peter Zijlstra
2016-05-16 12:17 ` Paul E. McKenney
2016-05-16 14:17 ` Peter Hurley
2016-05-16 17:22 ` Paul E. McKenney
2016-05-17 19:46 ` Peter Hurley
2016-05-17 19:53 ` Peter Hurley
2016-05-16 17:50 ` Peter Zijlstra
2016-05-17 19:15 ` Peter Hurley
2016-05-17 19:46 ` Paul E. McKenney
2016-05-18 11:05 ` Peter Zijlstra
2016-05-18 15:56 ` Waiman Long
2016-05-18 17:28 ` Paul E. McKenney
2016-05-18 17:26 ` Paul E. McKenney
2016-05-19 9:00 ` Peter Zijlstra
2016-05-19 13:43 ` Paul E. McKenney
2016-05-19 1:37 ` Dave Chinner
2016-05-19 8:32 ` Peter Zijlstra
2016-05-20 22:56 ` Waiman Long
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