From mboxrd@z Thu Jan 1 00:00:00 1970 From: Or Gerlitz Subject: Re: [PATCH] IB/mlx5: Reduce mlx5_ib_wq cacheline bouncing Date: Wed, 13 Jan 2016 10:55:27 +0200 Message-ID: <569610FF.4080200@mellanox.com> References: <1452594732-9573-1-git-send-email-sagig@mellanox.com> <5694EEAA.3050600@mellanox.com> <56951130.60802@dev.mellanox.co.il> <56951375.1050704@mellanox.com> <569514A5.1050705@dev.mellanox.co.il> Mime-Version: 1.0 Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <569514A5.1050705-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Sagi Grimberg , Sagi Grimberg Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Matan Barak , Leon Romanovsky List-Id: linux-rdma@vger.kernel.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. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html