[openib-general] Send_bw in UD

2006-11-16 Thread Chevchenkovic Chevchenkovic
Hi, Infiniband specification says that the completion notification in case of RC occurs when the data has actually reached the destination buffer. Whereas for UD it is given when the data is placed on the infiniband line. I was going through the code send_bw.c( https://openfabrics.org/svn/gen

[openib-general] IB multicast

2006-10-02 Thread Chevchenkovic Chevchenkovic
Hi,   I have a configuration consisting of 6 nodes connected through a single IB switch. I am sending data from a single node to all the remaining 5 nodes using IB multicast. I get a bandwidth of not more than 1.5 - 2 Gbps. I was expecting it to be around 10 Gbps( i.e same as point to point b/w). B