#ifdef PARALLEL #include "dlfcn.h" // #include #include // #include #include void (*NGS_ParallelRun) (const string & message) = NULL; namespace netgen { #include "../interface/writeuser.hpp" extern string ngdir; } void Parallel_Exit(); namespace netgen { extern AutoPtr mesh; // extern VisualSceneMesh vsmesh; extern DLL_HEADER MeshingParameters mparam; } using namespace netgen; using netgen::RegisterUserFormats; void ParallelRun() { string message; MPI_Status status; MPI_Comm_size(MPI_COMM_WORLD, &ntasks); MPI_Comm_rank(MPI_COMM_WORLD, &id); while ( true ) { message = MyMPI_RecvCmd(); if ( message.compare(0, 3, "ngs") == 0 ) { if (NGS_ParallelRun == NULL) { static int timer = NgProfiler::CreateTimer ("load shared library ngsolve"); NgProfiler::RegionTimer reg (timer); void * handle = dlopen ("libngsolve.so", RTLD_NOW | RTLD_GLOBAL); if (!handle) { cerr << "cannot load shared library libngsolve.so" << endl; exit(1); } NGS_ParallelRun = (void (*) (const string & message)) dlsym (handle, "NGS_ParallelRun"); if (!NGS_ParallelRun) { cerr << "cannot bind function NGS_ParallelRun" << endl; exit(1); } } (*NGS_ParallelRun) (message); } else if ( message == "mesh" ) { VT_USER_START ("Mesh::ReceiveParallelMesh"); mesh.Reset( new netgen::Mesh); mesh->SendRecvMesh(); VT_USER_END ("Mesh::ReceiveParallelMesh"); } else if ( message == "visualize" ) { cout << "parallel message visualize depreciated" << endl; } else if ( message == "bcastparthread" ) { MyMPI_Bcast (mparam.parthread); } else if ( message == "end" ) { break; } else { PrintMessage ( 1, "received unidentified message '" + message + "'\n"); break; } } } #endif