Exemple #1
0
int main(void)
{
    bool writeIntermediate = true;
    bool primed = false;

    std::vector<std::string> grids;

    //    grids.push_back("~/GRIDS/md/md005.00036");

    //grids.push_back("~/GRIDS/md/md165.27556");
    //grids.push_back("~/GRIDS/md/md031.01024");
    grids.push_back("~/GRIDS/md/md089.08100");
#if 0
    grids.push_back("~/GRIDS/md/md031.01024");
    grids.push_back("~/GRIDS/md/md050.02601");
    grids.push_back("~/GRIDS/md/md063.04096");
    grids.push_back("~/GRIDS/md/md089.08100");
    grids.push_back("~/GRIDS/md/md127.16384");
    grids.push_back("~/GRIDS/md/md165.27556");
#endif
#if 0
    grids.push_back("~/GRIDS/geoff/scvtmesh_100k_nodes.ascii");
    grids.push_back("~/GRIDS/geoff/scvtmesh_500k_nodes.ascii");
    grids.push_back("~/GRIDS/geoff/scvtmesh_1m_nodes.ascii");
#endif
    //grids.push_back("~/GRIDS/geoff/scvtmesh_1m_nodes.ascii");

    for (size_t i = 0; i < grids.size(); i++) {
        std::string& grid_name = grids[i];

        std::string weight_timer_name = grid_name + " Calc Weights";

        timers[weight_timer_name] = new EB::Timer(weight_timer_name.c_str());

        // Get contours from rbfzone.blogspot.com to choose eps_c1 and eps_c2 based on stencil_size (n)
#if 0
        // Too ill-conditioned? Doesnt converge in GMRES + ILU0
        unsigned int stencil_size = 40;
        double eps_c1 = 0.027;
        double eps_c2 = 0.274;
#else
        unsigned int stencil_size = 31;
        double eps_c1 = 0.035;
        double eps_c2 = 0.1;
#endif


        GridReader* grid = new GridReader(grid_name, 4);
        grid->setMaxStencilSize(stencil_size);
        // We do not read until generate is called:

        Grid::GridLoadErrType err = grid->loadFromFile();
        if (err == Grid::NO_GRID_FILES)
        {
            grid->generate();
#if 1
            // NOTE: We force at least one node in the domain to be a boundary.
            //-----------------------------
            // We will set the first node as a boundary/ground point. We know
            // the normal because we're on teh sphere centered at (0,0,0)
            for (unsigned int nodeIndex = 0; nodeIndex < 1; nodeIndex++) {
                NodeType& node = grid->getNode(nodeIndex);
                Vec3 nodeNormal = node - Vec3(0,0,0);
                grid->appendBoundaryIndex(nodeIndex, nodeNormal);
            }
#endif
            //-----------------------------
            if (writeIntermediate) {
                grid->writeToFile();
            }
        }
        std::cout << "Generate Stencils\n";
        Grid::GridLoadErrType st_err = grid->loadStencilsFromFile();
        if (st_err == Grid::NO_STENCIL_FILES) {
            //            grid->generateStencils(Grid::ST_BRUTE_FORCE);
#if 1
            grid->generateStencils(Grid::ST_KDTREE);
#else
            grid->setNSHashDims(50, 50,50);
            grid->generateStencils(Grid::ST_HASH);
#endif
            if (writeIntermediate) {
                grid->writeToFile();
            }
        }


        std::cout << "Generate RBFFD Weights\n";
        timers[weight_timer_name]->start();
        RBFFD der(RBFFD::LSFC | RBFFD::XSFC | RBFFD::YSFC | RBFFD::ZSFC, grid, 3, 0);
        //TODO:         der.setWeightType(RBFFD::ContourSVD);
        der.setEpsilonByParameters(eps_c1, eps_c2);
        int der_err = der.loadAllWeightsFromFile();
        if (der_err) {
            der.computeAllWeightsForAllStencils();

            timers[weight_timer_name]->stop();
#if 0
            if (writeIntermediate) {
                der.writeAllWeightsToFile();
            }
#endif
        }

        if (!primed)  {
            std::cout << "\n\n";
            cout << "Priming GPU with dummy operations (removes compile from benchmarks)\n";
            gpuTest(der,*grid, 1);
            primed = true;
            std::cout << "\n\n";
        }

        // No support for GMRES on the CPU yet.
        //cpuTest(der,*grid);
        gpuTest(der,*grid);

        delete(grid);
    }

    timers.printAll();
    timers.writeToFile();
    return EXIT_SUCCESS;
}
Exemple #2
0
int main(void)
{
    bool writeIntermediate = true;
    bool primed = false;

    std::vector<std::string> grids;

#if 0
    //grids.push_back("~/GRIDS/md/md005.00036");
    grids.push_back("~/GRIDS/md/md031.01024");
    grids.push_back("~/GRIDS/md/md050.02601");
    grids.push_back("~/GRIDS/md/md063.04096");
    grids.push_back("~/GRIDS/md/md089.08100");
    grids.push_back("~/GRIDS/md/md127.16384");
    grids.push_back("~/GRIDS/md/md165.27556");
#endif
#if 0
    grids.push_back("~/GRIDS/geoff/scvtimersesh_100k_nodes.ascii");
    grids.push_back("~/GRIDS/geoff/scvtimersesh_500k_nodes.ascii");
    grids.push_back("~/GRIDS/geoff/scvtimersesh_1m_nodes.ascii");
#endif
    //grids.push_back("~/GRIDS/geoff/scvtimersesh_1m_nodes.ascii");
    grids.push_back("~/sphere_grids/md063.04096");
    grids.push_back("~/sphere_grids/md079.06400");
    grids.push_back("~/sphere_grids/md089.08100");
    grids.push_back("~/sphere_grids/md100.10201");
    grids.push_back("~/sphere_grids/md127.16384");
    grids.push_back("~/sphere_grids/md141.20164");
    grids.push_back("~/sphere_grids/md165.27556");
    grids.push_back("~/sphere_grids/scvtmesh001.100000");
    grids.push_back("~/sphere_grids/scvtmesh002.500000");
    grids.push_back("~/sphere_grids/scvtmesh003.1000000");

    for (size_t i = 0; i < grids.size(); i++) {
        std::string& grid_name = grids[i];

        std::string weight_timer_name = grid_name + " Calc Weights";

        timers[weight_timer_name] = new EB::Timer(weight_timer_name.c_str());

        // Get contours from rbfzone.blogspot.com to choose eps_c1 and eps_c2 based on stencil_size (n)
        unsigned int stencil_size = 40;
        double eps_c1 = 0.027;
        double eps_c2 = 0.274;


        GridReader* grid = new GridReader(grid_name, 4);
        grid->setMaxStencilSize(stencil_size);
        // We do not read until generate is called:

        Grid::GridLoadErrType err = grid->loadFromFile();
        if (err == Grid::NO_GRID_FILES)
        {
            grid->generate();
            if (writeIntermediate) {
                grid->writeToFile();
            }
        }
        std::cout << "Generate Stencils\n";
        Grid::GridLoadErrType st_err = grid->loadStencilsFromFile();
        if (st_err == Grid::NO_STENCIL_FILES) {
            //            grid->generateStencils(Grid::ST_BRUTE_FORCE);
#if 1
            grid->generateStencils(Grid::ST_KDTREE);
#else
            grid->setNSHashDims(50, 50,50);
            grid->generateStencils(Grid::ST_HASH);
#endif
            if (writeIntermediate) {
                grid->writeToFile();
            }
        }


        std::cout << "Generate RBFFD Weights\n";
        timers[weight_timer_name]->start();
        RBFFD der(RBFFD::LSFC | RBFFD::XSFC | RBFFD::YSFC | RBFFD::ZSFC, grid, 3, 0);
        der.setEpsilonByParameters(eps_c1, eps_c2);
        int der_err = der.loadAllWeightsFromFile();
        if (der_err) {
            der.computeAllWeightsForAllStencils();

            timers[weight_timer_name]->start();
            if (writeIntermediate) {
                der.writeAllWeightsToFile();
            }
        }

        if (!primed)  {
            cout << "Priming GPU with dummy operations (removes compile from benchmarks)\n";
            run_test<DUMMY, DUMMY>(der, *grid);
            primed = true;
        }

        cout << "Running Tests\n" << std::endl;
        {
            run_test<COO_CPU, COO_CPU>(der, *grid);
            run_test<COO_CPU, COO_GPU>(der, *grid);
            run_test<CSR_CPU, CSR_CPU>(der, *grid);
            run_test<CSR_CPU, CSR_GPU>(der, *grid);
            run_test<COO_CPU, CSR_GPU>(der, *grid);
            run_test<CSR_CPU, COO_GPU>(der, *grid);
        }

        delete(grid);
    }

    timers.printAll();
    timers.writeToFile();
    return EXIT_SUCCESS;
}