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 03:20:04

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