Re: [Boost-users] mpi: sending/receiving different types

Subject: Re: [Boost-users] mpi: sending/receiving different types
From: Matthias Troyer (troyer_at_[hidden])
Date: 2010-12-05 20:21:03

On 5 Dec 2010, at 07:44, Hicham Mouline wrote:
>>> 
>> Hi Hicham -
>> 
>> You should look into probe().  I the result of a probe will give you a
>> valid MPI_Status, which contains the tag and source.  You can use this
>> tag to determine how you can construct an appropriate recv().
>> 
>> Brian
>> 
> 
> If from the root process I both mpi::broadcast() and mpi::send(), will a
> receiver process be able to use probe() to see if a message that was either
> sent or broadcast is available?

probe() checks only for messages sent by send(), not by broadcast(). 

Matthias