> Change the "would" into "is": it is possible to mix Boost.MPI with
> Boost.Serialization. Any objext that can be serialized can be sent by
> Boost.MPI. This was actually the basic idea behind Boost.MPI, to use
> Boost.Serialization to pack and unpack MPI buffers, or to create
> custom MPI datatypes.    

On thing that I never understood is why you need MPI data types at all.

If one is serializing (packing) to a binary array, and sending that, what

hae MPI data types have to do with it.

 

If one were using heterogenious machines, I could understand the

usage of MPI types. But as I understand it, the MPI serialization presumes

that the machines are binary compatible.  So I'm just not seeing this.

 

Robert Ramey