Re: [OMPI users] multipath support for infiniband

2010-09-22 Thread Jens Domke
ax_lmc MCA parameter: shell$ ompi_info --param btl openib --parsable | grep lmc On Sep 21, 2010, at 11:45 AM, Jens Domke wrote: Hello, the InfiniBand architecture has a LMC feature to assign mutiple virtual LIDs to one port and so provides multiple paths between two ports. Is there a methode in

[OMPI users] multipath support for infiniband

2010-09-21 Thread Jens Domke
Hello, the InfiniBand architecture has a LMC feature to assign mutiple virtual LIDs to one port and so provides multiple paths between two ports. Is there a methode in openmpi to enable message-striping over these paths to increase bandwidth or avoid congestions? (I don't mean the multirail fe