MPQC  3.0.0-alpha
memmsg.h
1 //
2 // memmsg.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 #ifndef _util_group_memmsg_h
29 #define _util_group_memmsg_h
30 
31 #include <util/group/message.h>
32 #include <util/group/memory.h>
33 
34 namespace sc {
35 
37 class MsgMemoryGrp: public MemoryGrp {
38 
39  protected:
40  Ref<MessageGrp> msg_;
41  public:
42  MsgMemoryGrp(const Ref<MessageGrp>& msg);
43  MsgMemoryGrp(const Ref<KeyVal>& keyval);
44  ~MsgMemoryGrp();
45  void set_localsize(size_t localsize);
46 
47  void sync();
48 };
49 
50 }
51 
52 #endif
53 
54 // Local Variables:
55 // mode: c++
56 // c-file-style: "CLJ"
57 // End:
sc::Ref
A template class that maintains references counts.
Definition: ref.h:361
sc::MsgMemoryGrp::set_localsize
void set_localsize(size_t localsize)
Set the size of locally held memory.
sc::MemoryGrp
The MemoryGrp abstract class provides a way of accessing distributed memory in a parallel machine.
Definition: memory.h:120
sc::MemoryGrp::localsize
size_t localsize()
Returns the amount of memory residing locally on me().
Definition: memory.h:155
sc::MsgMemoryGrp::sync
void sync()
Synchronizes all the nodes.
sc::MsgMemoryGrp
A MsgMemoryGrp that initializes its data using a messagegrp.
Definition: memmsg.h:37
sc
Contains all MPQC code up to version 3.
Definition: mpqcin.h:14

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