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dsge_simulated_theoretical_conditional_variance_decomposition.m

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  • Forked from Dynare / dynare
    Source project has a limited visibility.
    slaveParallel.m 6.66 KiB
    function slaveParallel(whoiam,ThisMatlab)
    % PARALLEL CONTEXT
    % In a parallelization context, this function is launched on slave
    % machines, to initialize MATLAB and DYNARE environment and waits for
    % instructions sent by the Master. 
    % This function is invoked by masterParallel only when the strategy (1),
    % i.e. always open, is actived.
    %
    %
    % INPUTS
    %  o whoiam [int]       index number of this CPU among all CPUs in the
    %                       cluster.
    %  o ThisMatlab [int]   index number of this slave machine in the cluster.
    %
    % OUTPUTS 
    %   None  
    
    % Copyright (C) 2006-2012 Dynare Team
    %
    % This file is part of Dynare.
    %
    % Dynare is free software: you can redistribute it and/or modify
    % it under the terms of the GNU General Public License as published by
    % the Free Software Foundation, either version 3 of the License, or
    % (at your option) any later version.
    %
    % Dynare is distributed in the hope that it will be useful,
    % but WITHOUT ANY WARRANTY; without even the implied warranty of
    % MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    % GNU General Public License for more details.
    %
    % You should have received a copy of the GNU General Public License
    % along with Dynare.  If not, see <http://www.gnu.org/licenses/>.
    
    global funcName
    
    warning off;
    diary off;
    
    delete( ['slaveParallel_',int2str(whoiam),'.log']);
    diary( ['slaveParallel_',int2str(whoiam),'.log']);
    
    
    % Configure dynare environment
    dynareroot = dynare_config();
    
    % Load input data.
    load( ['slaveParallel_input',int2str(whoiam)]);
    
    %Loads fGlobalVar Parallel.
    if exist('fGlobalVar'),
        globalVars = fieldnames(fGlobalVar);
        for j=1:length(globalVars),
            eval(['global ',globalVars{j},';']);
            evalin('base',['global ',globalVars{j},';']);
        end
        struct2local(fGlobalVar);
        clear fGlobalVar
        % create global variables in the base workspace as well
        evalin('base',['load( [''slaveParallel_input',int2str(whoiam),'''],''fGlobalVar'')']) ;
        evalin('base','struct2local(fGlobalVar)');
        evalin('base','clear fGlobalVar');
    end
    
    t0=clock;
    fslave = dir( ['slaveParallel_input',int2str(whoiam),'.mat']);
    
    while (etime(clock,t0)<1200 && ~isempty(fslave)) || ~isempty(dir(['stayalive',int2str(whoiam),'.txt'])),
        if ~isempty(dir(['stayalive',int2str(whoiam),'.txt'])),
            t0=clock;
            delete(['stayalive',int2str(whoiam),'.txt']);
        end
        % I wait for 20 min or while mater asks to exit (i.e. it cancels fslave file)
        pause(1);
        
        fjob = dir(['slaveJob',int2str(whoiam),'.mat']);
        
        if ~isempty(fjob),
            clear fGlobalVar fInputVar fblck nblck fname
            
            while(1)
                Go=0;
                
                Go=fopen(['slaveJob',int2str(whoiam),'.mat']);
                
                if Go>0    
                    fclose(Go);
                    pause(1);
                    load(['slaveJob',int2str(whoiam),'.mat']);
                    break
                else
                    % Only for testing, will be remouved!
                    
                    %                if isunix
                    %                  E1=fopen('/home/ivano/Works/Errore-slaveParallel.txt','w+');
                    %                  fclose(E1);
                    %                else            
                    %                  E1=fopen('c:\dynare_calcs\Errore-slaveParallel.txt','w+');
                    %                  fclose(E1);
                    %                end
                    
                end
            end
            
            funcName=fname;  % Update global job name.
    
            if exist('fGlobalVar') && ~isempty (fGlobalVar)
                globalVars = fieldnames(fGlobalVar);
                for j=1:length(globalVars),
                    info_whos = whos(globalVars{j});
                    if isempty(info_whos) || ~info_whos.global,
                        eval(['global ',globalVars{j},';']);
                        evalin('base',['global ',globalVars{j},';']);
                    end
                end
                struct2local(fGlobalVar);
                evalin('base',['load( [''slaveJob',int2str(whoiam),'''],''fGlobalVar'')']);
                evalin('base','struct2local(fGlobalVar)');
                evalin('base','clear fGlobalVar');
            end
            delete(['slaveJob',int2str(whoiam),'.mat']);
            fInputVar.Parallel = Parallel;
            
            % Launch the routine to be run in parallel.
            try,
                tic,
                fOutputVar = feval(fname, fInputVar ,fblck, nblck, whoiam, ThisMatlab);
                toc,
                if isfield(fOutputVar,'OutputFileName'),
                    OutputFileName = fOutputVar.OutputFileName;
                else
                    OutputFileName = '';
                end
    
                if(whoiam)
    
                    % Save the output result.
                    save([ fname,'_output_',int2str(whoiam),'.mat'],'fOutputVar' );
    %                 keyboard,
                    if isfield(fOutputVar,'CloseAllSlaves'),
                        CloseAllSlaves = 1;
                        fOutputVar = rmfield(fOutputVar,'CloseAllSlaves');
                        save([ fname,'_output_',int2str(whoiam),'.mat'],'fOutputVar' )
                        save(['comp_status_',funcName,int2str(whoiam),'.mat'],'CloseAllSlaves');
                    end
    
                    % Inform the master that the job is finished, and transfer the output data
                    delete(['P_',fname,'_',int2str(whoiam),'End.txt']);
                end
    
                disp(['Job ',fname,' on CPU ',int2str(whoiam),' completed.']);
                t0 =clock; % Re-set waiting time of 20 mins
            catch,
                theerror = lasterror;
                if strfind(theerror.message,'Master asked to break the job')
                    disp(['Job ',fname,' on CPU ',int2str(whoiam),' broken from master.']);
                    fOutputVar.message = theerror;
                    save([ fname,'_output_',int2str(whoiam),'.mat'],'fOutputVar' )
                    delete(['P_',fname,'_',int2str(whoiam),'End.txt']);
                else
                    disp(['Job ',fname,' on CPU ',int2str(whoiam),' crashed.']);
                    fOutputVar.error = lasterror;
                    save([ fname,'_output_',int2str(whoiam),'.mat'],'fOutputVar' );
                    waitbarString = fOutputVar.error.message;
                    if Parallel(ThisMatlab).Local,
                        waitbarTitle='Local ';
                    else
                        waitbarTitle=[Parallel(ThisMatlab).ComputerName];
                    end
                    fMessageStatus(NaN,whoiam,waitbarString, waitbarTitle, Parallel(ThisMatlab));
                    delete(['P_',fname,'_',int2str(whoiam),'End.txt']);
                    break
                end
                
            end
        end
        fslave = dir( ['slaveParallel_input',int2str(whoiam),'.mat']); % Check if Master asks to exit
    end
    
    
    disp(['slaveParallel on CPU ',int2str(whoiam),' completed.']);
    diary off;
    
    delete(['P_slave_',int2str(whoiam),'End.txt']);
    
    
    exit;