From: Bart Van Assche <bvanassche@acm.org>
To: Alexander Duyck <alexander.h.duyck@linux.intel.com>,
linux-kernel@vger.kernel.org, gregkh@linuxfoundation.org
Cc: len.brown@intel.com, linux-pm@vger.kernel.org, rafael@kernel.org,
jiangshanlai@gmail.com, linux-nvdimm@lists.01.org, pavel@ucw.cz,
zwisler@kernel.org, tj@kernel.org, akpm@linux-foundation.org
Subject: Re: [driver-core PATCH v5 9/9] libnvdimm: Schedule device registration on node local to the device
Date: Tue, 06 Nov 2018 16:26:33 -0800 [thread overview]
Message-ID: <1541550393.196084.202.camel@acm.org> (raw)
In-Reply-To: <154145234526.29224.2575533246153120029.stgit@ahduyck-desk1.jf.intel.com>
On Mon, 2018-11-05 at 13:12 -0800, Alexander Duyck wrote:
> This patch is meant to force the device registration for nvdimm devices to
> be closer to the actual device. This is achieved by using either the NUMA
> node ID of the region, or of the parent. By doing this we can have
> everything above the region based on the region, and everything below the
> region based on the nvdimm bus.
>
> By guaranteeing NUMA locality I see an improvement of as high as 25% for
> per-node init of a system with 12TB of persistent memory.
Thank you for having included the performance numbers.
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
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next prev parent reply other threads:[~2018-11-07 0:26 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-05 21:11 [driver-core PATCH v5 0/9] Add NUMA aware async_schedule calls Alexander Duyck
2018-11-05 21:11 ` [driver-core PATCH v5 1/9] workqueue: Provide queue_work_node to queue work near a given NUMA node Alexander Duyck
2018-11-06 0:42 ` Bart Van Assche
2018-11-06 16:27 ` Alexander Duyck
2018-11-05 21:11 ` [driver-core PATCH v5 2/9] async: Add support for queueing on specific " Alexander Duyck
2018-11-07 0:50 ` Bart Van Assche
2018-11-05 21:11 ` [driver-core PATCH v5 3/9] device core: Consolidate locking and unlocking of parent and device Alexander Duyck
2018-11-05 21:11 ` [driver-core PATCH v5 4/9] driver core: Move async_synchronize_full call Alexander Duyck
2018-11-06 1:04 ` Bart Van Assche
2018-11-06 16:18 ` Alexander Duyck
2018-11-06 17:22 ` Bart Van Assche
2018-11-05 21:12 ` [driver-core PATCH v5 5/9] driver core: Establish clear order of operations for deferred probe and remove Alexander Duyck
2018-11-06 4:10 ` kbuild test robot
2018-11-06 23:51 ` Bart Van Assche
2018-11-07 0:52 ` Alexander Duyck
2018-11-23 1:23 ` Rong Chen
2018-11-23 14:19 ` Bart Van Assche
2018-11-06 23:48 ` Bart Van Assche
2018-11-07 1:34 ` Joe Perches
2018-11-08 23:42 ` Bart Van Assche
2018-11-11 14:31 ` Pavel Machek
2018-11-27 2:35 ` Dan Williams
2018-11-27 16:49 ` Alexander Duyck
2018-11-05 21:12 ` [driver-core PATCH v5 6/9] driver core: Probe devices asynchronously instead of the driver Alexander Duyck
2018-11-07 0:22 ` Bart Van Assche
2018-11-05 21:12 ` [driver-core PATCH v5 7/9] driver core: Attach devices on CPU local to device node Alexander Duyck
2018-11-07 0:24 ` Bart Van Assche
2018-11-05 21:12 ` [driver-core PATCH v5 8/9] PM core: Use new async_schedule_dev command Alexander Duyck
2018-11-07 0:24 ` Bart Van Assche
2018-11-05 21:12 ` [driver-core PATCH v5 9/9] libnvdimm: Schedule device registration on node local to the device Alexander Duyck
2018-11-07 0:26 ` Bart Van Assche [this message]
2018-11-06 0:50 ` [driver-core PATCH v5 0/9] Add NUMA aware async_schedule calls Bart Van Assche
2018-11-06 16:25 ` Alexander Duyck
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