> Rusty Lusk <lusk at mcs.anl.gov> wrote: > ---- > You should not need to call MPI_Request_free if your Isend's and Irecv's > are waited on with MPI_Wait or MPI_Waitall. That is in fact the case, at least in the routines that do the bulk of the MPI. (Assuming a compile with Paramesh 2; I'm not as familiar with P3). -r