Example #1
0
/**********************************************************************
 * 
 * Method:      isDone()
 *
 * Description: check for the software timer to finish.
 *
 * Notes:    
 *
 * Returns:     1 on success, 0 if the timer is running.
 *
 **********************************************************************/
int
Timer::isDone()
{
#if 0
    if (state != Active)
    {
        return (-1);    
        }
#endif

    //
    // Wait for the timer to expire.
    //
        if (state != Done)
                return 0;

        timerList.remove(this);

    //
    // Restart or idle the timer, depending on its type.
    //
    if (type == Periodic)
    {
        state = Active;
        timerList.insert(this);    
        }
    else
    {
        state = Idle;    
        }

    return 1;

}   /* isDone() */
Example #2
0
int main(int argc, char **argv)
{ 
//timer =new TimerList::MyTimer*[ntimers];
	int i;

//_CrtMemState s1,s2, s3, s4, s5;
//_CrtMemCheckpoint( &s1 ); 

	//for ( i = 0; i < ntimers; i++) timer[i]=t.setTimeout((i+1)*1,ding);

	 //for ( i = 0; i < ntimers; i++) t.deleteTimer(i);

//_CrtMemCheckpoint( &s2 ); 
//if ( _CrtMemDifference( &s3, &s1, &s2) ) _CrtMemDumpStatistics( &s3 );


//delete [] timer; timer=NULL;


	thistimer=t.setInterval(100,ding);
	t.setInterval(3000,dong);




while(1){

t.run();
}


	return 0;
}
Example #3
0
/**********************************************************************
 * 
 * Method:      waitfor()
 *
 * Description: Wait for the software timer to finish.
 *
 * Notes:    
 *
 * Returns:     0 on success, -1 if the timer is not running.
 *
 **********************************************************************/
int
Timer::waitfor()
{
    if (state != Active)
    {
        return (-1);    
	}

    //
    // Wait for the timer to expire.
    //
	while (state != Done);

	timerList.remove(this);

    //
    // Restart or idle the timer, depending on its type.
    //
    if (type == Periodic)
    {
        state = Active;
        timerList.insert(this);    
	}
    else
    {
        state = Idle;    
	}

    return (0);

}   /* waitfor() */
Example #4
0
/**********************************************************************
 * 
 * Method:      waitfor()
 *
 * Description: Wait for the software timer to finish.
 *
 * Notes:    
 *
 * Returns:     0 on success, -1 if the timer is not running.
 *
 **********************************************************************/
int
Timer::waitfor()
{
    if (state != Active)
    {
        return (-1);
    }

    //
    // Wait for the timer to expire.
    //
    pMutex->take();

    //
    // Restart or idle the timer, depending on its type.
    //
    if (type == Periodic)
    {
        state = Active;
        timerList.insert(this);
    }
    else
    {
        pMutex->release();
        state = Idle;
    }

    return (0);

}   /* waitfor() */
Example #5
0
/**********************************************************************
 * 
 * Method:      start()
 *
 * Description: Start a software timer, based on the tick from the
 *              underlying hardware timer.
 *
 * Notes:    
 *
 * Returns:     0 on success, -1 if the timer is already in use.
 *
 **********************************************************************/
int
Timer::start(unsigned int nMilliseconds, TimerType timerType)
{
    if (state != Idle)
    {
        return (-1);
    }

    //
    // Take the mutex.  It will be released when the timer expires.
    //
    pMutex->take();

    //
    // Initialize the timer.
    //
    type   = timerType;
    length = nMilliseconds / MS_PER_TICK;
    state  = Active;

    //
    // Add the timer to the timer list.
    //
    timerList.insert(this);

    return (0);

}   /* start() */
Example #6
0
/**********************************************************************
 * 
 * Method:      Interrupt()
 *
 * Description: An interrupt handler for the timer hardware.
 *
 * Notes:       This method is declared static, so that we cannot 
 *              inadvertently modify any of the software timers.
 *
 * Returns:     None defined.
 *
 **********************************************************************/
void 
Timer::Interrupt()
{
    //
    // Decrement the active timer's count.
    //
    timerList.tick();

}   /* Interrupt() */
Example #7
0
void TimersResponder::replyCreatedId(cTimer* timer, cxxtools::http::Request& request, cxxtools::http::Reply& reply, ostream& out)
{
  QueryHandler q("/timers", request);
  TimerList* timerList;

  if ( q.isFormat(".html") ) {
     reply.addHeader("Content-Type", "text/html; charset=utf-8");
     timerList = (TimerList*)new HtmlTimerList(&out);
  } else if ( q.isFormat(".xml") ) {
     reply.addHeader("Content-Type", "text/xml; charset=utf-8");
     timerList = (TimerList*)new XmlTimerList(&out);
  } else {
     reply.addHeader("Content-Type", "application/json; charset=utf-8");
     timerList = (TimerList*)new JsonTimerList(&out);
  }

  timerList->init();
  timerList->addTimer(timer);
  timerList->setTotal(1);
  timerList->finish();
  delete timerList;
}
Example #8
0
void CallTimers()
{
    Time now = Time::Now();

    while (g_listTimers.GetCount() != 0) {
        TRef<Timer> ptimer = g_listTimers.GetFront();

        if (now < ptimer->m_when) {
            break;
        }

        g_listTimers.PopFront();

        if (ptimer->Trigger(now)) {
            g_listTimers.InsertSorted(
                new Timer(
                    ptimer->m_psink,
                    ptimer->m_delta,
                    Time::Now() + ptimer->m_delta
                )
            );
        }
    }
}
Example #9
0
/**********************************************************************
 * 
 * Method:      cancel()
 *
 * Description: Stop a running timer.
 *
 * Notes:
 *
 * Returns:     None defined.
 *
 **********************************************************************/
void
Timer::cancel(void)
{
    // 
    // Remove the timer from the timer list.
    //
    if (state == Active)
    {
        timerList.remove(this);    
	}

    //
    // Reset the timer's state.
    //
    state = Idle; 

}   /* cancel() */
Example #10
0
/**********************************************************************
 * 
 * Method:      Interrupt()
 *
 * Description: An interrupt handler for the timer hardware.
 *
 * Notes:       This method is declared static, so that we cannot 
 *              inadvertently modify any of the software timers.
 *
 * Returns:     None defined.
 *
 **********************************************************************/
void interrupt
Timer::Interrupt()
{
    //
    // Decrement the active timer's count.
    //
    timerList.tick();

    //
    // Acknowledge the timer interrupt.
    //
    gProcessor.pPCB->intControl.eoi = EOI_NONSPECIFIC;

    //
    // Clear the Maximum Count bit (to start the next cycle). 
    //
    gProcessor.pPCB->timer[2].control &= ~TIMER_MAXCOUNT;

}   /* Interrupt() */
Example #11
0
/**********************************************************************
 * 
 * Method:      start()
 *
 * Description: Start a software timer, based on the tick from the
 *              underlying hardware timer.
 *
 * Notes:    
 *
 * Returns:     0 on success, -1 if the timer is already in use.
 *
 **********************************************************************/
int
Timer::start(unsigned int nMilliseconds, TimerType timerType)
{
    if (state != Idle)
    {
        return (-1);    
	}

    //
    // Initialize the software timer.
    //
    state  = Active;
    type   = timerType;
    length = nMilliseconds / MS_PER_TICK;

    //
    // Add the timer to the timer list.
    //
    timerList.insert(this);

    return (0);

}   /* start() */
Example #12
0
void TimersResponder::showTimers(ostream& out, cxxtools::http::Request& request, cxxtools::http::Reply& reply)
{
  QueryHandler q("/timers", request);
  TimerList* timerList;
 
  Timers.SetModified();

  if ( q.isFormat(".json") ) {
     reply.addHeader("Content-Type", "application/json; charset=utf-8");
     timerList = (TimerList*)new JsonTimerList(&out);
  } else if ( q.isFormat(".html") ) {
     reply.addHeader("Content-Type", "text/html; charset=utf-8");
     timerList = (TimerList*)new HtmlTimerList(&out);
  } else if ( q.isFormat(".xml") ) {
     reply.addHeader("Content-Type", "text/xml; charset=utf-8");
     timerList = (TimerList*)new XmlTimerList(&out);
  } else {
     reply.httpReturn(404, "Resources are not available for the selected format. (Use: .json, .html or .xml)");
     return;
  }

  int start_filter = q.getOptionAsInt("start");
  int limit_filter = q.getOptionAsInt("limit");

  string timer_id = q.getParamAsString(0);

  if ( start_filter >= 0 && limit_filter >= 1 ) {
     timerList->activateLimit(start_filter, limit_filter);
  }

  timerList->init();

  vector< cTimer* > timers = VdrExtension::SortedTimers();
  for (int i=0;i<(int)timers.size();i++)
  {
     if ( VdrExtension::getTimerID(timers[i]) == timer_id || timer_id.length() == 0 ) {
        timerList->addTimer(timers[i]);   
     }
  }
  timerList->setTotal((int)timers.size());

  timerList->finish();
  delete timerList;   
}
Example #13
0
int main(int argc, char** argv) {
    TimerList tm;

    tm["total"] = new Timer("[Main] Total runtime for this proc");
    tm["grid"] = new Timer("[Main] Grid generation");
    tm["stencils"] = new Timer("[Main] Stencil generation");
    tm["settings"] = new Timer("[Main] Load settings"); 
    tm["decompose"] = new Timer("[Main] Decompose domain"); 
    tm["consolidate"] = new Timer("[Main] Consolidate subdomain solutions"); 
    tm["updates"] = new Timer("[Main] Broadcast solution updates"); 
    tm["send"] = new Timer("[Main] Send subdomains to other processors (master only)"); 
    tm["receive"] = new Timer("[Main] Receive subdomain from master (clients only)"); 
    tm["timestep"] = new Timer("[Main] Advance One Timestep"); 
    tm["tests"] = new Timer("[Main] Test stencil weights"); 
    tm["weights"] = new Timer("[Main] Compute all stencils weights"); 
    tm["oneWeight"] = new Timer("[Main] Compute single stencil weights"); 
    tm["heat_init"] = new Timer("[Main] Initialize heat"); 
    // grid should only be valid instance for MASTER
    Grid* grid = NULL; 
    Domain* subdomain; 

    tm["total"]->start(); 

    Communicator* comm_unit = new Communicator(argc, argv);

    cout << " Got Rank: " << comm_unit->getRank() << endl;
    cout << " Got Size: " << comm_unit->getSize() << endl;

    tm["settings"]->start(); 

    ProjectSettings* settings = new ProjectSettings(argc, argv, comm_unit->getRank());

    int dim = settings->GetSettingAs<int>("DIMENSION", ProjectSettings::required); 

    //-----------------
    fillGlobalProjectSettings(dim, settings);
    //-----------------

    int max_num_iters = settings->GetSettingAs<int>("MAX_NUM_ITERS", ProjectSettings::required); 
    double max_global_rel_error = settings->GetSettingAs<double>("MAX_GLOBAL_REL_ERROR", ProjectSettings::optional, "1e-1"); 
    double max_local_rel_error = settings->GetSettingAs<double>("MAX_LOCAL_REL_ERROR", ProjectSettings::optional, "1e-1"); 

    int use_gpu = settings->GetSettingAs<int>("USE_GPU", ProjectSettings::optional, "1"); 
    
    int local_sol_dump_frequency = settings->GetSettingAs<int>("LOCAL_SOL_DUMP_FREQUENCY", ProjectSettings::optional, "100"); 
    int global_sol_dump_frequency = settings->GetSettingAs<int>("GLOBAL_SOL_DUMP_FREQUENCY", ProjectSettings::optional, "200"); 

    int prompt_to_continue = settings->GetSettingAs<int>("PROMPT_TO_CONTINUE", ProjectSettings::optional, "0"); 
    int debug = settings->GetSettingAs<int>("DEBUG", ProjectSettings::optional, "0"); 

    double start_time = settings->GetSettingAs<double>("START_TIME", ProjectSettings::optional, "0.0"); 
    double end_time = settings->GetSettingAs<double>("END_TIME", ProjectSettings::optional, "1.0"); 
    double dt = settings->GetSettingAs<double>("DT", ProjectSettings::optional, "1e-5"); 
    int timescheme = settings->GetSettingAs<int>("TIME_SCHEME", ProjectSettings::optional, "1"); 
    int weight_method = settings->GetSettingAs<int>("WEIGHT_METHOD", ProjectSettings::optional, "1"); 
    int compute_eigenvalues = settings->GetSettingAs<int>("DERIVATIVE_EIGENVALUE_TEST", ProjectSettings::optional, "0");
    int use_eigen_dt = settings->GetSettingAs<int>("USE_EIGEN_DT", ProjectSettings::optional, "1");

    if (comm_unit->isMaster()) {

        int ns_nx = settings->GetSettingAs<int>("NS_NB_X", ProjectSettings::optional, "10"); 
        int ns_ny = settings->GetSettingAs<int>("NS_NB_Y", ProjectSettings::optional, "10");
        int ns_nz = settings->GetSettingAs<int>("NS_NB_Z", ProjectSettings::optional, "10");

        int stencil_size = settings->GetSettingAs<int>("STENCIL_SIZE", ProjectSettings::required); 

        tm["settings"]->stop(); 

        grid = getGrid(dim);

        grid->setMaxStencilSize(stencil_size); 

        Grid::GridLoadErrType err = grid->loadFromFile(); 
        if (err == Grid::NO_GRID_FILES) 
        {
            printf("************** Generating new Grid **************\n"); 
            //grid->setSortBoundaryNodes(true); 
//            grid->setSortBoundaryNodes(true); 
            tm["grid"]->start(); 
            grid->generate();
            tm["grid"]->stop(); 
            grid->writeToFile(); 
        } 
        if ((err == Grid::NO_GRID_FILES) || (err == Grid::NO_STENCIL_FILES)) {
            std::cout << "Generating stencils files\n";
            tm["stencils"]->start(); 
            grid->setNSHashDims(ns_nx, ns_ny, ns_nz);
//            grid->generateStencils(Grid::ST_BRUTE_FORCE);   
            // DEFINTELY: exact
            grid->generateStencils(Grid::ST_KDTREE);   
            // MIGHT BE: approximate
//            grid->generateStencils(Grid::ST_HASH);   
            tm["stencils"]->stop();
            grid->writeToFile(); 
            tm.writeToFile("gridgen_timer_log"); 
        }

        int x_subdivisions = comm_unit->getSize();		// reduce this to impact y dimension as well 
        int y_subdivisions = (comm_unit->getSize() - x_subdivisions) + 1; 

        // TODO: load subdomain from disk

        // Construct a new domain given a grid. 
        // TODO: avoid filling sets Q, B, etc; just think of it as a copy constructor for a grid
        Domain* original_domain = new Domain(dim, grid, comm_unit->getSize()); 
        // pre allocate pointers to all of the subdivisions
        std::vector<Domain*> subdomain_list(x_subdivisions*y_subdivisions);
        // allocate and fill in details on subdivisions

        std::cout << "Generating subdomains\n";
        tm["decompose"]->start();
        //original_domain->printVerboseDependencyGraph();
        original_domain->generateDecomposition(subdomain_list, x_subdivisions, y_subdivisions); 
        tm["decompose"]->stop();

        tm["send"]->start(); 
        subdomain = subdomain_list[0]; 
        for (int i = 1; i < comm_unit->getSize(); i++) {
            std::cout << "Sending subdomain[" << i << "]\n";
            comm_unit->sendObject(subdomain_list[i], i); 
        }
        tm["send"]->stop(); 

        printf("----------------------\nEND MASTER ONLY\n----------------------\n\n\n");

    } else {
        tm["settings"]->stop(); 
        cout << "MPI RANK " << comm_unit->getRank() << ": waiting to receive subdomain"
            << endl;

        tm["receive"]->start(); 
        subdomain = new Domain(); // EMPTY object that will be filled by MPI
        comm_unit->receiveObject(subdomain, 0); // Receive from CPU (0)
        tm["receive"]->stop(); 
    }

    comm_unit->barrier();

    if (debug) {
        subdomain->printVerboseDependencyGraph();
        subdomain->printNodeList("All Centers Needed by This Process"); 

        printf("CHECKING STENCILS: ");
        for (int irbf = 0; irbf < (int)subdomain->getStencilsSize(); irbf++) {
            //  printf("Stencil[%d] = ", irbf);
            StencilType& s = subdomain->getStencil(irbf); 
            if (irbf == s[0]) {
                //	printf("PASS\n");
                //    subdomain->printStencil(s, "S"); 
            } else {
                printf("FAIL on stencil %d\n", irbf);
                exit(EXIT_FAILURE);
            }
        }
        printf("OK\n");
    }

    RBFFD* der;
    if (use_gpu) {
        der = new RBFFD_CL(RBFFD::LAPL | RBFFD::X | RBFFD::Y | RBFFD::Z, subdomain, dim, comm_unit->getRank()); 
    } else {
        der = new RBFFD(RBFFD::LAPL | RBFFD::X | RBFFD::Y | RBFFD::Z, subdomain, dim, comm_unit->getRank()); 
    }

    int use_var_eps = settings->GetSettingAs<int>("USE_VAR_EPSILON", ProjectSettings::optional, "0");
    if (use_var_eps) {
        double alpha = settings->GetSettingAs<double>("VAR_EPSILON_ALPHA", ProjectSettings::optional, "1.0"); 
        double beta = settings->GetSettingAs<double>("VAR_EPSILON_BETA", ProjectSettings::optional, "1.0"); 
        //der->setVariableEpsilon(subdomain->getStencilRadii(), subdomain->getStencils(), alpha, beta); 
        der->setVariableEpsilon(alpha, beta); 
    } else {
        double epsilon = settings->GetSettingAs<double>("EPSILON", ProjectSettings::required);
        der->setEpsilon(epsilon);
    }

#if 0
        der->setWeightType(RBFFD::ContourSVD);
        der->setWeightType(RBFFD::Direct);
#else 
        der->setWeightType((RBFFD::WeightType)weight_method);
#endif 
 
    // Try loading all the weight files
    int err = der->loadFromFile(RBFFD::X); 
    err += der->loadFromFile(RBFFD::Y); 
    err += der->loadFromFile(RBFFD::Z); 
    err += der->loadFromFile(RBFFD::LAPL); 

    if (err) { 
        printf("start computing weights\n");
        tm["weights"]->start(); 

        // NOTE: good test for Direct vs Contour
        // Grid 11x11, vareps=0.05; Look at stencil 12. SHould have -100, 25,
        // 25, 25, 25 (i.e., -4,1,1,1,1) not sure why scaling is off.
        der->computeAllWeightsForAllStencils();
        tm["weights"]->stop(); 

        cout << "end computing weights" << endl;

        der->writeToFile(RBFFD::X);
        der->writeToFile(RBFFD::Y);
        der->writeToFile(RBFFD::Z);
        der->writeToFile(RBFFD::LAPL);

        cout << "end write weights to file" << endl;
    }

    if (settings->GetSettingAs<int>("RUN_DERIVATIVE_TESTS", ProjectSettings::optional, "1")) {
        bool weightsPreComputed = true; 
        bool exitIfTestFailed = settings->GetSettingAs<int>("BREAK_ON_DERIVATIVE_TESTS", ProjectSettings::optional, "1");
        tm["tests"]->start(); 
        // The test class only computes weights if they havent been done already
        DerivativeTests* der_test = new DerivativeTests(dim, der, subdomain, weightsPreComputed);
        if (use_gpu) {
            // Applies weights on both GPU and CPU and compares results for the first 10 stencils
            der_test->compareGPUandCPUDerivs(10);
        }
        // Test approximations to derivatives of functions f(x,y,z) = 0, x, y, xy, etc. etc.
        der_test->testAllFunctions(exitIfTestFailed);
        // For now we can only test eigenvalues on an MPI size of 1 (we could distribute with Par-Eiegen solver)
        if (comm_unit->getSize() == 1) {
            if (compute_eigenvalues) 
            {
                // FIXME: why does this happen? Perhaps because X Y and Z are unidirectional? 
                // Test X and 4 eigenvalues are > 0
                // Test Y and 30 are > 0
                // Test Z and 36 are > 0
                // NOTE: the 0 here implies we compute the eigenvalues but do not run the iterations of the random perturbation test
                der_test->testEigen(RBFFD::LAPL, 0);
            }
        }
        tm["tests"]->stop();
    }

    // SOLVE HEAT EQUATION

    ExactSolution* exact = getExactSolution(dim); 

    TimeDependentPDE* pde; 
    tm["heat_init"]->start(); 
    // We need to provide comm_unit to pass ghost node info
#if 0
    if (use_gpu) {
        pde = new HeatPDE(subdomain, der, comm_unit, true); 
    } else 
#endif
    { 
        // Implies initial conditions are generated
        // true here indicates the weights are computed. 
        pde = new HeatPDE(subdomain, der, comm_unit, uniformDiffusion, true);
    }
    pde->setStartEndTime(start_time, end_time);

    pde->fillInitialConditions(exact);

    // Broadcast updates for timestep, initial conditions for ghost nodes, etc. 
    tm["updates"]->start(); 
    comm_unit->broadcastObjectUpdates(pde);
    comm_unit->barrier();
    tm["updates"]->stop();

    tm["heat_init"]->stop(); 

    //TODO:    pde->setRelErrTol(max_global_rel_error); 

    // Setup a logging class that will monitor our iteration and dump intermediate files
#if USE_VTK
    // TODO: update VtuPDEWriter for the new PDE classes
    PDEWriter* writer = new VtuPDEWriter(subdomain, pde, comm_unit, local_sol_dump_frequency, global_sol_dump_frequency);
#else 
    PDEWriter* writer = new PDEWriter(subdomain, pde, comm_unit, local_sol_dump_frequency, global_sol_dump_frequency);
#endif 

    // Test DT: 
    // 1) get the minimum avg stencil radius (for stencil area--i.e., dx^2)
    double avgdx = 1000.;
    std::vector<StencilType>& sten = subdomain->getStencils();
    for (size_t i=0; i < sten.size(); i++) {
        double dx = subdomain->getStencilRadius(i);
        if (dx < avgdx) {
            avgdx = dx; 
        }
    }
    // Laplacian = d^2/dx^2
    double sten_area = avgdx*avgdx;
    // Not sure where Gordon came up with this parameter.
    // for second centered difference and euler time we have nu = 0.5
    double nu = 0.1;
    //          dt <= nu/dx^2 
    // is valid for stability in some FD schemes. 
    double max_dt = nu*(sten_area);
	printf("dt = %f (max_dt = %f; 0.5dx^2 = %f)\n", dt, max_dt, 0.5*sten_area);
    // This appears to be consistent with Chinchipatnam2006 (Thesis)
    // TODO: get more details on CFL for RBFFD
    // note: checking stability only works if we have all weights for all
    // nodes, so we dont do it in parallel
    if (compute_eigenvalues && (comm_unit->getSize() == 1)) {
        RBFFD::EigenvalueOutput eigs = der->getEigenvalues();
        max_dt = 2. / eigs.max_neg_eig;
        printf("Suggested max_dt based on eigenvalues (2/lambda_max)= %f\n", max_dt);
        
        // CFL condition:
        if (dt > max_dt) {
            std::cout << "WARNING! your choice of timestep (" << dt << ") is TOO LARGE for to maintain stability of system. According to eigenvalues, it must be less than " << max_dt << std::endl;
            if (use_eigen_dt) {
                dt = max_dt;
            } else {
                //exit(EXIT_FAILURE);
            }
        }
    }

    std::cout << "[MAIN] ********* USING TIMESTEP dt=" << dt << " ********** " << std::endl;

    //    subdomain->printCenterMemberships(subdomain->G, "G = " );
    //subdomain->printBoundaryIndices("INDICES OF GLOBAL BOUNDARY NODES: ");
    int iter;

    int num_iters = (int) ((end_time - start_time) / dt);
    std::cout << "NUM_ITERS = " << num_iters << std::endl;

    for (iter = 0; iter < num_iters && iter < max_num_iters; iter++) {
        writer->update(iter);


#if 0
        char label[256]; 
        sprintf(label, "LOCAL INPUT SOLUTION [local_indx (global_indx)] FOR ITERATION %d", iter); 
        pde->printSolution(label); 
#endif 

        tm["timestep"]->start(); 
        pde->advance((TimeDependentPDE::TimeScheme)timescheme, dt);
        tm["timestep"]->stop(); 

        // This just double checks that all procs have ghost node info.
        // pde->advance(..) should broadcast intermediate updates as needed,
        // but updated solution. 
        tm["updates"]->start(); 
        comm_unit->broadcastObjectUpdates(pde);
        comm_unit->barrier();
        tm["updates"]->stop();

        if (!(iter % local_sol_dump_frequency)) {

            std::cout << "\n*********** Rank " << comm_unit->getRank() << " Local Solution [ Iteration: " << iter << " (t = " << pde->getTime() << ") ] *************" << endl;
            pde->checkLocalError(exact, max_local_rel_error); 
        }
        if (!(iter % global_sol_dump_frequency)) {
            tm["consolidate"]->start(); 
            comm_unit->consolidateObjects(pde);
            comm_unit->barrier();
            tm["consolidate"]->stop(); 
            if (comm_unit->isMaster()) {
                std::cout << "\n*********** Global Solution [ Iteration: " << iter << " (t = " << pde->getTime() << ") ] *************" << endl;
                pde->checkGlobalError(exact, grid, max_global_rel_error); 
            }
        }
#if 0
        sprintf(label, "LOCAL UPDATED SOLUTION [local_indx (global_indx)] AFTER %d ITERATIONS", iter+1); 
        pde->printSolution(label); 
#endif 

        //        double nrm = pde->maxNorm();
        if (prompt_to_continue && comm_unit->isMaster()) {
            std::string buf; 
            cout << "Press [Enter] to continue" << std::endl;
            cin.get(); 
        }
    }
#if 1
    printf("after heat\n");

    // NOTE: all local subdomains have a U_G solution which is consolidated
    // into the MASTER process "global_U_G" solution. 
    tm["consolidate"]->start(); 
    comm_unit->consolidateObjects(pde);
    comm_unit->barrier();
    tm["consolidate"]->stop(); 
    //    subdomain->writeGlobalSolutionToFile(-1); 
    std::cout << "Checking Solution on Master\n";
    if (comm_unit->getRank() == 0) {
        pde->writeGlobalGridAndSolutionToFile(grid->getNodeList(), (char*) "FINAL_SOLUTION.txt");
#if 0
        // NOTE: the final solution is assembled, but we have to use the 
        // GLOBAL node list instead of a local subdomain node list
        cout << "FINAL ITER: " << iter << endl;
        std::vector<double> final_sol(grid->getNodeListSize()); 
        ifstream fin; 
        fin.open("FINAL_SOLUTION.txt"); 

        int count = 0; 
        for (int count = 0; count < final_sol.size(); count++) {
            Vec3 node; 
            double val;
            fin >> node[0] >> node[1] >> node[2] >> val;
            if (fin.good()) {
                final_sol[count] = val;
                // std::cout << "Read: " << node << ", " << final_sol[count] << std::endl; 
            }
        }
        fin.close();
#endif 
        std::cout << "============== Verifying Accuracy of Final Solution =============\n"; 
        pde->checkGlobalError(exact, grid, max_global_rel_error); 
        std::cout << "============== Solution Valid =============\n"; 

        delete(grid);
    }
Example #14
0
void Window::RemoveSink(IEventSink* psink)
{
    g_listTimers.Remove(new Timer(psink, 0, 0));
}
Example #15
0
void Window::AddSink(IEventSink* psink, float delta)
{
    g_listTimers.InsertSorted(new Timer(psink, delta, Time::Now() + delta));
}