From: Or Gerlitz <ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
To: Sagi Grimberg
<sagig-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>,
Sagi Grimberg <sagig-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Matan Barak <matanb-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
Leon Romanovsky <leonro-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Subject: Re: [PATCH] IB/mlx5: Reduce mlx5_ib_wq cacheline bouncing
Date: Wed, 13 Jan 2016 10:55:27 +0200 [thread overview]
Message-ID: <569610FF.4080200@mellanox.com> (raw)
In-Reply-To: <569514A5.1050705-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
On 1/12/2016 4:58 PM, Sagi Grimberg wrote:
> I tested iser perf and it seems to sustain.
That's good. I also think we should move fwd with the patch once the
review is passed OKay, even if we don't have the means to evaluate the
gain, future will tell.
> I didn't see any major difference but I really don't think block
> storage iops/latency is not the correct way to evaluate this change.
yes... pktgen doesn't work for IPoIB (if it was, we could use 64B UDP
packets w.o csum to see the impact) maybe RDS (rds-stress tool) has more
ops/sec then conventional block rdma driver?
Or.
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next prev parent reply other threads:[~2016-01-13 8:55 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-12 10:32 [PATCH] IB/mlx5: Reduce mlx5_ib_wq cacheline bouncing Sagi Grimberg
[not found] ` <1452594732-9573-1-git-send-email-sagig-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2016-01-12 12:16 ` Or Gerlitz
[not found] ` <5694EEAA.3050600-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2016-01-12 14:44 ` Sagi Grimberg
[not found] ` <56951130.60802-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2016-01-12 14:53 ` Or Gerlitz
[not found] ` <56951375.1050704-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2016-01-12 14:58 ` Sagi Grimberg
[not found] ` <569514A5.1050705-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2016-01-12 15:05 ` Or Gerlitz
[not found] ` <56951634.5030307-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2016-01-12 15:09 ` Sagi Grimberg
2016-01-13 8:55 ` Or Gerlitz [this message]
2016-01-12 14:37 ` Yann Droneaud
[not found] ` <1452609431.9500.24.camel-RlY5vtjFyJ3QT0dZR+AlfA@public.gmane.org>
2016-01-13 8:44 ` Sagi Grimberg
[not found] ` <56960E5C.5000607-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2016-01-13 9:26 ` Yann Droneaud
[not found] ` <1452677194.9500.27.camel-RlY5vtjFyJ3QT0dZR+AlfA@public.gmane.org>
2016-01-13 9:37 ` Sagi Grimberg
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