MPQC 2.3.1

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pregtime.h
1 //
2 // pregtime.h
3 //
4 // Copyright (C) 1996 Limit Point Systems, Inc.
5 //
6 // Author: Curtis Janssen <cljanss@limitpt.com>
7 // Maintainer: LPS
8 //
9 // This file is part of the SC Toolkit.
10 //
11 // The SC Toolkit is free software; you can redistribute it and/or modify
12 // it under the terms of the GNU Library General Public License as published by
13 // the Free Software Foundation; either version 2, or (at your option)
14 // any later version.
15 //
16 // The SC Toolkit is distributed in the hope that it will be useful,
17 // but WITHOUT ANY WARRANTY; without even the implied warranty of
18 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 // GNU Library General Public License for more details.
20 //
21 // You should have received a copy of the GNU Library General Public License
22 // along with the SC Toolkit; see the file COPYING.LIB. If not, write to
23 // the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
24 //
25 // The U.S. Government is granted a limited license as per AL 91-7.
26 //
27
28 #ifdef __GNUC__
29 #pragma interface
30 #endif
31
32 #ifndef _util_group_pregtime_h
33 #define _util_group_pregtime_h
34
35 #include <iostream>
36 #include <util/misc/regtime.h>
37 #include <util/group/message.h>
38
39 namespace sc {
40
41 class ParallelRegionTimer: public RegionTimer {
42 protected:
43 Ref<MessageGrp> msg_;
44
45 void send_subregions(int node, const TimedRegion *r) const;
46 void recv_subregions(int node, TimedRegion *r) const;
47 void all_reduce_regions() const;
48
49 public:
50 ParallelRegionTimer(const Ref<MessageGrp>&,
51 const char *topname = "total",
52 int cpu_time = 0, int wall_time = 1);
53 ParallelRegionTimer(const Ref<KeyVal>&);
54 ~ParallelRegionTimer();
55
56 void print(std::ostream& = ExEnv::out0()) const;
57 };
58
59 }
60
61 #endif
62
63 // Local Variables:
64 // mode: c++
65 // c-file-style: "CLJ"
66 // End: