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From: Sagi Grimberg <sagi-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>
To: Max Gurtovoy <maxg-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
	linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-nvme-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Saeed Mahameed <saeedm-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
	Or Gerlitz <ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
	Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
Subject: Re: [PATCH rfc 0/6] Automatic affinity settings for nvme over rdma
Date: Thu, 6 Apr 2017 11:34:03 +0300	[thread overview]
Message-ID: <09b4dcb4-d0ab-43b7-5f1c-394ecfcce2f0@grimberg.me> (raw)
In-Reply-To: <86ed1762-a990-691f-e043-3d7dcac8fe85-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>

> Hi Sagi,

Hey Max,

> the patchset looks good and of course we can add support for more
> drivers in the future.
> have you run some performance testing with the nvmf initiator ?

I'm limited by the target machine in terms of IOPs, but the host shows
~10% cpu usage decrease, and latency improves slightly as well
which is more apparent depending on which cpu I'm running my IO
thread (due to the mismatch in comp_vectors and queue mappings
some queues have irq vectors mapped to a core on a different numa
node.
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  parent reply	other threads:[~2017-04-06  8:34 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-02 13:41 [PATCH rfc 0/6] Automatic affinity settings for nvme over rdma Sagi Grimberg
2017-04-02 13:41 ` [PATCH rfc 1/6] mlx5: convert to generic pci_alloc_irq_vectors Sagi Grimberg
2017-04-04  6:27   ` Christoph Hellwig
2017-04-02 13:41 ` [PATCH rfc 2/6] mlx5: move affinity hints assignments to generic code Sagi Grimberg
2017-04-04  6:32   ` Christoph Hellwig
2017-04-06  8:29     ` Sagi Grimberg
2017-04-02 13:41 ` [PATCH rfc 3/6] RDMA/core: expose affinity mappings per completion vector Sagi Grimberg
2017-04-04  6:32   ` Christoph Hellwig
2017-04-02 13:41 ` [PATCH rfc 4/6] mlx5: support ->get_vector_affinity Sagi Grimberg
2017-04-04  6:33   ` Christoph Hellwig
2017-04-02 13:41 ` [PATCH rfc 5/6] block: Add rdma affinity based queue mapping helper Sagi Grimberg
2017-04-04  6:33   ` Christoph Hellwig
     [not found]   ` <1491140492-25703-6-git-send-email-sagi-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>
2017-04-04  7:46     ` Max Gurtovoy
2017-04-04 13:09       ` Christoph Hellwig
     [not found]       ` <becb84ac-7819-a207-56b1-70f16cb80e42-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2017-04-06  9:23         ` Sagi Grimberg
2017-04-05 14:17   ` Jens Axboe
2017-04-02 13:41 ` [PATCH rfc 6/6] nvme-rdma: use intelligent affinity based queue mappings Sagi Grimberg
2017-04-04  6:34   ` Christoph Hellwig
2017-04-06  8:30     ` Sagi Grimberg
     [not found] ` <1491140492-25703-1-git-send-email-sagi-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>
2017-04-04  7:51   ` [PATCH rfc 0/6] Automatic affinity settings for nvme over rdma Max Gurtovoy
     [not found]     ` <86ed1762-a990-691f-e043-3d7dcac8fe85-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2017-04-06  8:34       ` Sagi Grimberg [this message]
2017-04-10 18:05 ` Steve Wise
2017-04-12  6:34   ` Christoph Hellwig

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