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APPSPACK_Executor_MPI.hpp

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00001 // $Id: APPSPACK_Executor_MPI.hpp,v 1.11 2006/06/30 01:42:08 tgkolda Exp $ 
00002 // $Source: /space/CVS-Acro/acro/packages/appspack/appspack/src/APPSPACK_Executor_MPI.hpp,v $ 
00003 
00004 //@HEADER
00005 // ************************************************************************
00006 // 
00007 //          APPSPACK: Asynchronous Parallel Pattern Search
00008 //                 Copyright (2003) Sandia Corporation
00009 // 
00010 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00011 // license for use of this work by or on behalf of the U.S. Government.
00012 // 
00013 // This library is free software; you can redistribute it and/or modify
00014 // it under the terms of the GNU Lesser General Public License as
00015 // published by the Free Software Foundation; either version 2.1 of the
00016 // License, or (at your option) any later version.
00017 //  
00018 // This library is distributed in the hope that it will be useful, but
00019 // WITHOUT ANY WARRANTY; without even the implied warranty of
00020 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00021 // Lesser General Public License for more details.
00022 //                                                                                 
00023 // You should have received a copy of the GNU Lesser General Public
00024 // License along with this library; if not, write to the Free Software
00025 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00026 // USA.                                                                           .
00027 // 
00028 // Questions? Contact Tammy Kolda (tgkolda@sandia.gov) 
00029 // 
00030 // ************************************************************************
00031 //@HEADER
00032 
00037 #ifndef APPSPACK_EXECUTOR_MPI_HPP
00038 #define APPSPACK_EXECUTOR_MPI_HPP
00039 
00040 #include "APPSPACK_Executor_Interface.hpp"
00041 
00042 namespace APPSPACK 
00043 {
00044 
00045 namespace Executor
00046 {
00047 
00049 
00058 class MPI : public Interface
00059 {
00060 public:
00061 
00063   enum MsgTags {
00064     Init,                       
00065     Feval,                      
00066     Terminate                   
00067   };
00068 
00070   MPI();
00071 
00073   virtual ~MPI();
00074 
00075   // derived
00076   virtual bool isWaiting() const;
00077 
00078   // derived
00079   virtual bool spawn(const Vector& x_in, int tag_in);
00080 
00081   // derived
00082   virtual int recv(int& tag_out, Vector& f_out, string& msg_out);
00083 
00084   // Prints out how many workers are being used.
00085   virtual void print() const;
00086 
00087 private:
00088 
00090 
00091   vector<int> workertag;
00092 
00093 };
00094 
00095 }
00096 
00097 }
00098 
00099 #endif

 

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