Re: [Boost-users] [MPI / Serialization] unable to register user-defined class for serialization through base class pointer

Subject: Re: [Boost-users] [MPI / Serialization] unable to register user-defined class for serialization through base class pointer
From: Matthias Troyer (troyer_at_[hidden])
Date: 2009-05-30 01:02:52

On 27 May 2009, at 03:04, Ariel Ouziel wrote:

> Hello,
>
> Note also that if I use dtask pointer instead of task with send and  
> recv, the program runs fine.
>
> Additionaly, if I use primitive type like "int" instead of  
> std::string in my derived class, the compilation goes fine with the  
> export statement.
>
> It seems to me that at some point the compiler tries to get the MPI  
> datatype of std::string even if it shouldn't since it's not a  
> primitive type.
>
> What am I missing here ?

This is strange. Have you tried sending just a std::string or a dtask  
object?

Matthias