aGrUM
3.2.0
a C++ library for (probabilistic) graphical models
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threads.h
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/****************************************************************************
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* This file is part of the aGrUM/pyAgrum library. *
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* *
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* Copyright (c) 2005-2026 by *
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* - Pierre-Henri WUILLEMIN(_at_LIP6) *
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* - Christophe GONZALES(_at_AMU) *
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* *
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* The aGrUM/pyAgrum library is free software; you can redistribute it *
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* and/or modify it under the terms of either : *
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* *
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* - the GNU Lesser General Public License as published by *
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* the Free Software Foundation, either version 3 of the License, *
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* or (at your option) any later version, *
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* - the MIT license (MIT), *
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* - or both in dual license, as here. *
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* *
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* (see https://agrum.gitlab.io/articles/dual-licenses-lgplv3mit.html) *
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* *
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* This aGrUM/pyAgrum library is distributed in the hope that it will be *
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* useful, but WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES MERCHANTABILITY or FITNESS *
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE *
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, *
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR *
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* OTHER DEALINGS IN THE SOFTWARE. *
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* *
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* See LICENCES for more details. *
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* *
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* SPDX-FileCopyrightText: Copyright 2005-2026 *
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* - Pierre-Henri WUILLEMIN(_at_LIP6) *
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* - Christophe GONZALES(_at_AMU) *
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* SPDX-License-Identifier: LGPL-3.0-or-later OR MIT *
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* *
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* Contact : info_at_agrum_dot_org *
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* homepage : http://agrum.gitlab.io *
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* gitlab : https://gitlab.com/agrumery/agrum *
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* *
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****************************************************************************/
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#ifndef GUM_THREADS_H
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#define GUM_THREADS_H
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#include <utility>
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#include <vector>
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#include <
agrum/agrum.h
>
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#include <
agrum/base/core/threads/threadsOMP.h
>
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#include <
agrum/base/core/threads/threadsSTL.h
>
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namespace
gum
{
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// select the default threading model
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// @TODO substitute the lines below by namespace threads = GUM_THREADS; when swig
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// will support it
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#ifdef GUM_THREADS_USE_OMP
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namespace
threads
= gum::threadsOMP;
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#else
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namespace
threads
= gum::threadsSTL;
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#endif
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using
gum::threads::getMaxNumberOfThreads
;
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using
gum::threads::getNumberOfThreads
;
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using
gum::threads::getNumberOfLogicalProcessors
;
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GUM_SHARED_PUBLIC
void
setNumberOfThreads
(
unsigned
int
number);
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GUM_SHARED_PUBLIC
bool
isOMP
();
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GUM_SHARED_PUBLIC std::vector< std::pair< Idx, Idx > >
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dispatchRangeToThreads
(
Idx
beg,
Idx
end,
unsigned
int
nb_threads);
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}
/* namespace gum */
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#endif
/* GUM_THREADS_H */
agrum.h
gum::threadsSTL::getNumberOfLogicalProcessors
GUM_SHARED_PUBLIC unsigned int getNumberOfLogicalProcessors()
Get the number of logical processors.
Definition
threadsSTL_inl.h:66
gum::threadsSTL::getMaxNumberOfThreads
GUM_SHARED_PUBLIC unsigned int getMaxNumberOfThreads()
Returns the maximum number of threads you should use at any time.
Definition
threadsSTL_inl.h:61
gum::setNumberOfThreads
void setNumberOfThreads(unsigned int number)
Set the max number of threads to be used when entering the next parallel region.
Definition
threads.cpp:55
gum::Idx
Size Idx
Type for indexes.
Definition
types.h:79
gum::threadsSTL
Definition
threadExecutorSTL.h:58
gum::threadsSTL::getNumberOfThreads
unsigned int getNumberOfThreads()
returns the max number of threads used by default when entering the next parallel region
Definition
threadsSTL.cpp:70
gum
gum is the global namespace for all aGrUM entities
Definition
agrum.h:46
gum::dispatchRangeToThreads
std::vector< std::pair< Idx, Idx > > dispatchRangeToThreads(const Idx beg, const Idx end, const unsigned int nb_threads)
returns a vector equally splitting elements of a range among threads
Definition
threads.cpp:76
gum::isOMP
bool isOMP()
indicates whether aGrUM uses openMP or STL threads
Definition
threads.cpp:66
threadsOMP.h
Wrappers for OpenMP.
threadsSTL.h
C++17 STL threads convenience utilities for aGrUM.
aGrUM
3.2.0
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