From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Talpey Subject: Re: NFS over RDMA benchmark Date: Tue, 30 Apr 2013 10:20:23 -0400 Message-ID: <517FD327.3060901@talpey.com> References: <0EE9A1CDC8D6434DB00095CD7DB873462CF96C65@MTLDAG01.mtl.com> <62745258-4F3B-4C05-BFFD-03EA604576E4@ornl.gov> <0EE9A1CDC8D6434DB00095CD7DB873462CF9715B@MTLDAG01.mtl.com> <20130423210607.GJ3676@fieldses.org> <0EE9A1CDC8D6434DB00095CD7DB873462CF988C9@MTLDAG01.mtl.com> <20130424150540.GB20275@fieldses.org> <20130424152631.GC20275@fieldses.org> <0EE9A1CDC8D6434DB00095CD7DB873462CF9A820@MTLDAG01.mtl.com> <20130428144248.GA2037@fieldses.org> <0EE9A1CDC8D6434DB00095CD7DB873462CF9C90C@MTLDAG01.mtl.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <0EE9A1CDC8D6434DB00095CD7DB873462CF9C90C-fViJhHBwANKuSA5JZHE7gA@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Yan Burman Cc: "J. Bruce Fields" , Wendy Cheng , "Atchley, Scott" , Tom Tucker , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Or Gerlitz List-Id: linux-rdma@vger.kernel.org On 4/30/2013 1:09 AM, Yan Burman wrote: > I now get up to ~95K IOPS and 4.1GB/sec bandwidth. >... > ib_send_bw with intel iommu enabled did get up to 4.5GB/sec BTW, you may want to verify that these are the same GB. Many benchmarks say KB/MB/GB when they really mean KiB/MiB/GiB. At GB/GiB, the difference is about 7.5%, very close to the difference between 4.1 and 4.5. Just a thought. -- 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