On Thursday 07 May 2009, neeraj_at_[hidden] wrote:
> Thanks Pasha for sharing IB Roadmaps with us. But i am more interested in
> to find out latency figures since they often matter more than bit rate.
> Could there be rough if not accurate the latency figures being targeted in
> IB World?
The (low level verbs) latency has AFAIR changed only a few times:
1) started at 5-6us with PCI-X Infinihost3
2) dropped to 3-4us with PCI-express Infinihost3
3) dropped to ~1us with PCI-express ConnectX
Disclaimer: rough figures and only for Mellanox chips.
> Neeraj Chourasia