1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
/////////////////////////////////////////////////////////////
// //
// Copyright (c) 2003-2014 by The University of Queensland //
// Centre for Geoscience Computing //
// http://earth.uq.edu.au/centre-geoscience-computing //
// //
// Primary Business: Brisbane, Queensland, Australia //
// Licensed under the Open Software License version 3.0 //
// http://www.apache.org/licenses/LICENSE-2.0 //
// //
/////////////////////////////////////////////////////////////
#ifndef __MPISGVBUF_H
#define __MPISGVBUF_H
#include "Parallel/mpisgbuf.h"
#include <string>
/*!
\class CMPIVarSGBufferRoot
\brief class for variable size scatter/gather buffer, root component
\author Steffen Abe
$Revision$
$Date$
*/
class CMPIVarSGBufferRoot: public AMPISGBufferRoot
{
private:
char* m_vbuffer;
char* m_dummy_vbuffer; //!<dummy buffer sent by root to itself
int m_vbuffersize; //!< the size of the buffer per slice
int *m_position; //!< the current end of the content in each slice
int *m_rpos; //!< the number of bytes in the slice (i.e. m_position-m_displ)
int *m_recvcount;//!< the buffer for the transfer of the size of the vbuffer
int *m_displ; //<! the diplacements of the slices in the buffer
int m_ndummy;
protected:
void grow();
void growTo(int);
public:
CMPIVarSGBufferRoot(MPI_Comm,int isize=16);
virtual ~CMPIVarSGBufferRoot();
virtual void clear();
virtual void gather();
virtual void scatter();
virtual void append(int,int);
virtual void append(double,int);
virtual void append(const char*,int);
virtual int pop_int(int);
virtual double pop_double(int);
virtual void pop_doubles(int,double *,int);
};
/*!
\class CMPIVarSGBufferLeaf
\brief class for variable size scatter/gather buffer, leaf component
\author Steffen Abe
$Revision$
$Date$
*/
class CMPIVarSGBufferLeaf: public AMPISGBufferLeaf
{
private:
char* m_vbuffer;
int m_vbuffersize; //!< the size of the buffer
int m_position; //!< the current end of the content
int m_data_size;
protected:
void grow();
void growTo(int);
public:
CMPIVarSGBufferLeaf(MPI_Comm,int,int isize=16);
virtual ~CMPIVarSGBufferLeaf();
virtual void clear();
virtual void send();
virtual void receive();
virtual void append(int);
virtual void append(double);
virtual void append(const char*);
virtual int pop_int();
virtual double pop_double();
virtual void pop_doubles(double *,int);
virtual std::string pop_string();
};
#endif // __MPISGVBUF_H
|
