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distribution.h
1 /*
2  * distribution.h
3  *
4  * Author: Steffen Ernsting <s.ernsting@uni-muenster.de>
5  *
6  * -------------------------------------------------------------------------------
7  *
8  * The MIT License
9  *
10  * Copyright 2014 Steffen Ernsting <s.ernsting@uni-muenster.de>,
11  * Herbert Kuchen <kuchen@uni-muenster.de.
12  *
13  * Permission is hereby granted, free of charge, to any person obtaining a copy
14  * of this software and associated documentation files (the "Software"), to deal
15  * in the Software without restriction, including without limitation the rights
16  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
17  * copies of the Software, and to permit persons to whom the Software is
18  * furnished to do so, subject to the following conditions:
19  *
20  * The above copyright notice and this permission notice shall be included in
21  * all copies or substantial portions of the Software.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
24  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
26  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
27  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
28  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
29  * THE SOFTWARE.
30  *
31  */
32 
33 #pragma once
34 
35 #include "muesli.h"
36 
37 namespace msl {
38 
40 {
41 public:
42  virtual int getBlocksInRow() = 0;
43 
44  virtual int getBlocksInCol() = 0;
45 
46  virtual ~Distribution()
47  {
48  }
49 };
50 
52 {
53 public:
54  virtual int getBlocksInRow()
55  {
56  return 1;
57  }
58 
59  virtual int getBlocksInCol()
60  {
61  return 1;
62  }
63 };
64 
66 {
67 public:
69  {
70  int sqrtp = (int) (sqrt((double) Muesli::num_total_procs) + 0.1);
71  blocksInRow = blocksInCol = sqrtp;
72  }
73 
74  BlockDistribution(int blocks)
75  : blocksInRow(blocks), blocksInCol(1)
76  {
77  }
78 
79  BlockDistribution(int blocksRow, int blocksCol)
80  : blocksInRow(blocksRow), blocksInCol(blocksCol)
81  {
82  }
83 
84  virtual int getBlocksInRow()
85  {
86  return blocksInRow;
87  }
88 
89  virtual int getBlocksInCol()
90  {
91  return blocksInCol;
92  }
93 
94 private:
95  int blocksInRow, blocksInCol;
96 };
97 
99 {
100 public:
102  :blocksInRow(1), blocksInCol(Muesli::num_total_procs)
103  {
104  }
105  virtual int getBlocksInRow()
106  {
107  return blocksInRow;
108  }
109 
110  virtual int getBlocksInCol()
111  {
112  return blocksInCol;
113  }
114 
115 private:
116  int blocksInRow, blocksInCol;
117 };
118 
120 {
121 public:
123  :blocksInRow(Muesli::num_total_procs), blocksInCol(1)
124  {
125  }
126  virtual int getBlocksInRow()
127  {
128  return blocksInRow;
129  }
130 
131  virtual int getBlocksInCol()
132  {
133  return blocksInCol;
134  }
135 
136 private:
137  int blocksInRow, blocksInCol;
138 };
139 
140 }
Definition: distribution.h:98
Definition: distribution.h:65
Definition: distribution.h:39
Definition: distribution.h:119
Definition: distribution.h:51
Contains global definitions such as macros, functions, enums and classes, and constants in order to c...