Re: [Boost-users] mpi isend to group

Subject: Re: [Boost-users] mpi isend to group
From: Philipp Kraus (philipp.kraus_at_[hidden])
Date: 2012-12-31 07:30:22

> The problem is that you never seem to call MPI_Wait() for the requests
> generated by MPI_Isend (or Boost MPI's isend(), which is in fact
> "just" a convenient wrapper). Let me quote the the man page: 
> 
>  "Nonblocking calls allocate a communication request object" 
> 
> These requests are only freed after calling MPI_Wait for them. Hence
> the memory leak.

Thanks for this information. I'm using this isend structure on some more
places, so I need a release of the communication object.

Phil