openEMS/FDTD/operator_multithread.h

73 lines
2.0 KiB
C++

/*
* Copyright (C) 2010 Thorsten Liebig (Thorsten.Liebig@gmx.de)
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef OPERATOR_MULTITHREAD_H
#define OPERATOR_MULTITHREAD_H
#include "operator_sse_compressed.h"
#include <boost/thread.hpp>
class Operator_Multithread : public Operator_SSE_Compressed
{
friend class Operator_Thread;
public:
//! Create a new operator
static Operator_Multithread* New(unsigned int numThreads = 0);
virtual ~Operator_Multithread();
virtual int CalcECOperator();
virtual void setNumThreads( unsigned int numThreads );
virtual Engine* CreateEngine() const;
protected:
Operator_Multithread();
virtual void Init();
virtual void Reset();
virtual bool Calc_EC(); //this method is using multi-threading
unsigned int (*m_Nr_PEC_thread)[3]; //count PEC edges per thread
virtual bool CalcPEC(); //this method is using multi-threading
//Calc_EC barrier
boost::barrier* m_CalcEC_Start;
boost::barrier* m_CalcEC_Stop;
//CalcPEC barrier
boost::barrier* m_CalcPEC_Start;
boost::barrier* m_CalcPEC_Stop;
boost::thread_group m_thread_group;
unsigned int m_numThreads; // number of worker threads
};
class Operator_Thread
{
public:
Operator_Thread( Operator_Multithread* ptr, unsigned int start, unsigned int stop, unsigned int threadID );
void operator()();
protected:
unsigned int m_start, m_stop, m_threadID;
Operator_Multithread *m_OpPtr;
};
#endif // OPERATOR_MULTITHREAD_H