Re: [OMPI users] MPI_Reduce error over Infiniband or TCP

2011-07-05 Thread Ralph Castain
Looks like your code is passing an invalid argument to MPI_Reduce... On Jul 5, 2011, at 9:20 AM, ya...@adina.com wrote: > Dear all, > > We are testing Open MPI over Infiniband, and got a MPI_Reduce > error message when we run our codes either over TCP or > Infiniband interface, as follows, >

[OMPI users] MPI_Reduce error over Infiniband or TCP

2011-07-05 Thread yanyg
Dear all, We are testing Open MPI over Infiniband, and got a MPI_Reduce error message when we run our codes either over TCP or Infiniband interface, as follows, --- [gulftown:25487] *** An error occurred in MPI_Reduce [gulftown:25487] *** on communicator MPI COMMUNICATOR 3 CREATE FROM 0 [gulft