Re: [Boost-users] BGL - parallel/distributed

Subject: Re: [Boost-users] BGL - parallel/distributed
From: Jeremiah Willcock (jewillco_at_[hidden])
Date: 2009-11-09 16:18:58

On Mon, 9 Nov 2009, Ondrej Sluciak wrote:

> Ok, I tried the simplest possible example, but just didn't figure out where 
> the problem is. I am on windows, mpich2 installed, all boost libs correctly 
> compiled with mpi, but if I do something like
>
> #include <boost/graph/use_mpi.hpp>
> #include <boost/graph/distributed/selector.hpp>
> #include <boost/graph/distributed/adjacency_list.hpp>
> #include <boost/graph/distributed/mpi_process_group.hpp>
>
> void main(){
> using namespace boost;
> typedef 
> adjacency_list<vecS,distributedS<graph::distributed::mpi_process_group, 
> vecS>, directedS>  Graph;
>
> Graph g(4);
>
> };
>
> I always get linking problems like:
> Error    7    error LNK2019: unresolved external symbol "void __cdecl 
> boost::graph::distributed::synchronize(class 
> boost::graph::distributed::mpi_process_group const &)" 
> (?synchronize_at_distributed@graph_at_boost@@YAXABVmpi_process_group_at_123@@Z) 
> referenced in function "public: __thiscall boost::adjacency_list<struct 
> boost::vecS,struct boost::distributedS<class 
> boost::graph::distributed::mpi_process_group,struct boost::vecS,struct 
> boost::defaultS>,struct boost::directedS,struct boost::no_property,struct 
> boost::no_property,struct boost::no_property,struct 
> boost::listS>::~adjacency_list<struct boost::vecS,struct 
> boost::distributedS<class boost::graph::distributed::mpi_process_group,struct 
> boost::vecS,struct boost::defaultS>,struct boost::directedS,struct 
> boost::no_property,struct boost::no_property,struct boost::no_property,struct 
> boost::listS>(void)" 
> (??1?$adjacency_list_at_UvecS@boost@@U?$distributedS_at_Vmpi_process_group_at_distributed@graph_at_boost@@UvecS_at_4@UdefaultS_at_4@@2_at_UdirectedS@2_at_Uno_property_at_2@U52_at_U52@UlistS_at_2@@boost@@QAE_at_XZ) 
> boostTest2.obj
>
> I think I have included all the necessary libs (including mpi.lib from mpich 
> directory), so I still don't understand where is the problem. Does anyone 
> tried distributed graph class?

Are you also including the graph_parallel library?  Boost.Graph.Parallel 
is not header-only, unlike almost all of the sequential Boost.Graph 
library.

-- Jeremiah Willcock