[OMPI users] MPI_Allgather(): Which algorithm is used?

2009-08-22 Thread Dr. Hans Ekkehard Plesser
Hi! OpenMPI 1.3.3 comes with a range of algorithms for MPI_Allgather(), but I have not been able to find out how to check which algorithms is actually used. >From the following message on the list I got an idea about how to select the >algoritm by hand http://www.open-mpi.org/communit

Re: [OMPI users] MPI_Allgather(): Which algorithm is used?

2009-08-22 Thread Rainer Keller
Hello, On Saturday 22 August 2009 12:05:00 pm Dr. Hans Ekkehard Plesser wrote: > OpenMPI 1.3.3 comes with a range of algorithms for MPI_Allgather(), but I > have not been able to find out how to check which algorithms is actually > used. You may get this information using the debug output using f