Re: [Boost-users] [Boost.MPI] question about serializingcustomobject

Subject: Re: [Boost-users] [Boost.MPI] question about serializingcustomobject
From: Matthias Troyer (troyer_at_[hidden])
Date: 2010-08-31 03:13:45

On 30 Aug 2010, at 17:09, Cristobal Navarro wrote:

> sure,
> 
> this is master process, sends objects.
> #SENDER PROCESS (rank 0)
>                 printf("sending latticec to worker 1\n");
>                 lat->print(); //to see what i am sending
>                 cin >> a;
>                 world.send(1, 1, lat);
> 
> #RECEIVER PROCESS (rank 1)
> Lattice* latr;
> printf("worker%2d:: waiting master signal...\n", world.rank());
> world.recv(0, 1, latr);
> printf("OK\n");
> latr->print();
> 
> 
> #this is the Lattice class, i have commented almost all atributes on the serialization method except 2 integers.
> class Lattice{
> 
>     private:
>             friend class boost::serialization::access;
>             template<class Archive>
>             void serialize(Archive & ar, const unsigned int version){
>                 ar & numNodes;
>                 ar & numEdges;
>                 //ar & nodes;
>                 //ar & edges;
>                 //ar & keyLists;
>                 //ar & corrupt;
>                 //ar & rec;
>                 //ar & nop;
>                 //ar & acumCoef;
>                 //ar & key;
>             }
> 
>     public:
>             int numNodes;
>             int numEdges;
>             map<int, Edge> edges;
>             map<int, Node> nodes;
>             string key;
>             list< list<int> > keyLists;
>             bool corrupt;
>             bool rec;
>             int nop;
>             string acumCoef;
> }
> 
> 
> 
> #when i send the object it has 
> Nodes=2   Edges= 1
> 
> #when i receive it, i get
> Nodes=131072   Edges= 65536
> 

Can you please post a full program and not just fragments of your code. With those fragments I cannot reproduce your problem. 

Matthias