Re: IPoIB performance
From: Reeted <hidden>
Date: 2012-09-05 17:52:43
On 09/05/12 17:51, Christoph Lameter wrote:
PCI-E on PCI 2.0 should give you up to about 2.3 Gbytes/sec with these nics. So there is like something that the network layer does to you that limits the bandwidth.
I think those are 8 lane PCI-e 2.0 so that would be 500MB/sec x 8 that's 4 GBytes/sec. Or you really mean there is almost 50% overhead? -- 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