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
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
/*
//
// Copyright 1997-2009 Torsten Rohlfing
//
// Copyright 2004-2010 SRI International
//
// This file is part of the Computational Morphometry Toolkit.
//
// http://www.nitrc.org/projects/cmtk/
//
// The Computational Morphometry Toolkit is free software: you can
// redistribute it and/or modify it under the terms of the GNU General Public
// License as published by the Free Software Foundation, either version 3 of
// the License, or (at your option) any later version.
//
// The Computational Morphometry Toolkit is distributed in the hope that it
// will be useful, but WITHOUT ANY WARRANTY; without even the implied
// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with the Computational Morphometry Toolkit. If not, see
// <http://www.gnu.org/licenses/>.
//
// $Revision: 5436 $
//
// $LastChangedDate: 2018-12-10 19:01:20 -0800 (Mon, 10 Dec 2018) $
//
// $LastChangedBy: torstenrohlfing $
//
*/
#ifndef __cmtkThreadParameterArray_h_included_
#define __cmtkThreadParameterArray_h_included_
#include <cmtkconfig.h>
#include <System/cmtkThreads.h>
#include <System/cmtkThreadParameters.h>
namespace
cmtk
{
/** \addtogroup System */
//@{
/** Array of thread parameters.
* This array initializes the non-template type specific fields of the thread
* parameter structure.
*/
template<class TClass,class TParam = ThreadParameters<TClass> >
class ThreadParameterArray
{
public:
/** Constructor.
* Allocate array and initialize generic fields.
*/
ThreadParameterArray
( TClass *const thisObject, const size_t numberOfThreads )
{
this->m_NumberOfThreads = numberOfThreads;
this->m_Ptr = Memory::ArrayC::Allocate<TParam>( numberOfThreads );
for ( size_t i = 0; i < numberOfThreads; ++i )
{
this->m_Ptr[i].thisObject = thisObject;
this->m_Ptr[i].ThisThreadIndex = i;
this->m_Ptr[i].NumberOfThreads = numberOfThreads;
this->m_Ptr[i].m_ThreadID = 0;
}
}
/// Destructor.
~ThreadParameterArray()
{
Memory::ArrayC::Delete( this->m_Ptr );
}
/// Constant access operator.
const TParam& operator[]( const size_t i ) const { return this->m_Ptr[i]; }
/// Access operator.
TParam& operator[]( const size_t i ) { return this->m_Ptr[i]; }
/// Return pointer to array.
TParam* GetPtr() { return this->m_Ptr; }
/// Return constant pointer to array.
const TParam* GetPtr() const { return this->m_Ptr; }
/// Return number of threads.
size_t GetNumberOfThreads() const { return this->m_NumberOfThreads; }
/// Run thread function in parallel.
void RunInParallel( ThreadFunction threadCall )
{
Threads::RunThreads( threadCall, this->GetNumberOfThreads(), this->GetPtr(), sizeof( TParam ) );
}
/// Run thread functions using a static FIFO scheduler.
void RunInParallelFIFO(ThreadFunction threadCall, const size_t numberOfThreadsTotal, const size_t firstThreadIdx = 0 );
private:
/// Store number of threads and entries in parameter array.
size_t m_NumberOfThreads;
/// Pointer to parameter block array.
TParam* m_Ptr;
};
//@}
} // namespace cmtk
#include "cmtkThreadParameterArray.txx"
#endif // #ifndef __cmtkThreadParameterArray_h_included_
|
