MPQC 2.3.1
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
39namespace sc {
40
41class 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:
static std::ostream & out0()
Return an ostream that writes from node 0.
void print(std::ostream &=ExEnv::out0()) const
Print the object.
A template class that maintains references counts.
Definition ref.h:332
Definition regtime.h:41

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