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# pregtime.h

    00001 //
    00002 // pregtime.h
    00003 //
    00004 // Copyright (C) 1996 Limit Point Systems, Inc.
    00005 //
    00006 // Author: Curtis Janssen <cljanss@limitpt.com>
    00007 // Maintainer: LPS
    00008 //
    00009 // This file is part of the SC Toolkit.
    00010 //
    00011 // The SC Toolkit is free software; you can redistribute it and/or modify
    00012 // it under the terms of the GNU Library General Public License as published by
    00013 // the Free Software Foundation; either version 2, or (at your option)
    00014 // any later version.
    00015 //
    00016 // The SC Toolkit is distributed in the hope that it will be useful,
    00017 // but WITHOUT ANY WARRANTY; without even the implied warranty of
    00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00019 // GNU Library General Public License for more details.
    00020 //
    00021 // You should have received a copy of the GNU Library General Public License
    00022 // along with the SC Toolkit; see the file COPYING.LIB.  If not, write to
    00023 // the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
    00024 //
    00025 // The U.S. Government is granted a limited license as per AL 91-7.
    00026 //
    00027
    00028 #ifdef __GNUC__
    00029 #pragma interface
    00030 #endif
    00031
    00032 #ifndef _util_group_pregtime_h
    00033 #define _util_group_pregtime_h
    00034
    00035 #include <iostream>
    00036 #include <util/misc/regtime.h>
    00037 #include <util/group/message.h>
    00038
    00039 namespace sc {
    00040
    00041 class ParallelRegionTimer: public RegionTimer {
    00042   protected:
    00043     Ref<MessageGrp> msg_;
    00044
    00045     void send_subregions(int node, const TimedRegion *r) const;
    00046     void recv_subregions(int node, TimedRegion *r) const;
    00047     void all_reduce_regions() const;
    00048
    00049   public:
    00050     ParallelRegionTimer(const Ref<MessageGrp>&,
    00051                         const char *topname = "total",
    00052                         int cpu_time = 0, int wall_time = 1);
    00053     ParallelRegionTimer(const Ref<KeyVal>&);
    00054     ~ParallelRegionTimer();
    00055
    00056     void print(std::ostream& = ExEnv::out0()) const;
    00057 };
    00058
    00059 }
    00060
    00061 #endif
    00062
    00063 // Local Variables:
    00064 // mode: c++
    00065 // c-file-style: "CLJ"
    00066 // End: