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# distsh.h

    00001 //
    00002 // distsh.h
    00003 // based on csgrade12.h
    00004 //
    00005 // Copyright (C) 1996 Limit Point Systems, Inc.
    00006 //
    00007 // Author: Ida Nielsen <ida@kemi.aau.dk>
    00008 // Maintainer: LPS
    00009 //
    00010 // This file is part of the SC Toolkit.
    00011 //
    00012 // The SC Toolkit is free software; you can redistribute it and/or modify
    00013 // it under the terms of the GNU Library General Public License as published by
    00014 // the Free Software Foundation; either version 2, or (at your option)
    00015 // any later version.
    00016 //
    00017 // The SC Toolkit is distributed in the hope that it will be useful,
    00018 // but WITHOUT ANY WARRANTY; without even the implied warranty of
    00019 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00020 // GNU Library General Public License for more details.
    00021 //
    00022 // You should have received a copy of the GNU Library General Public License
    00023 // along with the SC Toolkit; see the file COPYING.LIB.  If not, write to
    00024 // the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
    00025 //
    00026 // The U.S. Government is granted a limited license as per AL 91-7.
    00027 //
    00028
    00029 #ifndef _chemistry_qc_mbpt_distsh_h
    00030 #define _chemistry_qc_mbpt_distsh_h
    00031
    00032 #ifdef __GNUC__
    00033 #pragma interface
    00034 #endif
    00035
    00036 #include <util/misc/regtime.h>
    00037 #include <util/group/message.h>
    00038 #include <util/group/thread.h>
    00039 #include <chemistry/qc/basis/basis.h>
    00040
    00041 namespace sc {
    00042
    00044 class DistShellPair {
    00045   private:
    00046     Ref<MessageGrp> msg_;
    00047     int nthread_;
    00048     Ref<ThreadLock> lock_;
    00049     Ref<GaussianBasisSet> basis_;
    00050     int dynamic_;
    00051     int debug_;
    00052     int print_percent_;
    00053
    00054     // for dynamic load balancing
    00055     int req_type_;
    00056     int ans_type_;
    00057     int ncpu_less_0_;
    00058     void serve_tasks();
    00059
    00060     // for static load balancing
    00061     int S_, R_;
    00062     int ncpu_;
    00063     int mythread_;
    00064     int ntask_;
    00065     int print_interval_;
    00066     int print_index_;
    00067   public:
    00068     DistShellPair(const Ref<MessageGrp> &, int nthread, int mythread,
    00069                   const Ref<ThreadLock> &,
    00070                   const Ref<GaussianBasisSet> &);
    00071     ~DistShellPair();
    00073     void init();
    00075     void set_dynamic(int d);
    00077     void set_debug(int d) { debug_ = d; }
    00079     void set_print_percent(int p) { print_percent_ = p; }
    00084     int get_task(int &P, int &Q);
    00085 };
    00086
    00087 }
    00088
    00089 #endif
    00090
    00091 // //////////////////////////////////////////////////////////////////////////
    00092
    00093 // Local Variables:
    00094 // mode: c++
    00095 // c-file-style: "CLJ-CONDENSED"
    00096 // End: