[openfabrics-ewg] Cisco SQA results so far for OFED 1.0 rc5

Mon Jun 5 08:32:30 PDT 2006

> Hi,
> The default mtu size in mvapich-RC5 was changed to MTU1024 
> (it solves bw 
> issue on PCI_X). You can try  VIADEV_DEFAULT_MTU=MTU2048 parameter on 
> your platforms (PCI_EX) and I believe that you will get the 
> rc4 latency 
> numbers.

I'll try that for MVAPICH, but that doesn't explain the worse latency
for Open MPI and Intel MPI.

Scott