aGrUM
3.2.0
a C++ library for (probabilistic) graphical models
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threadNumberManager_inl.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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#pragma once
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#include <
agrum/base/core/threads/threadNumberManager.h
>
// to ease IDE parser
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#ifndef DOXYGEN_SHOULD_SKIP_THIS
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# include <
agrum/base/core/threads/threadNumberManager.h
>
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namespace
gum
{
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// default constructor
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INLINE
ThreadNumberManager::ThreadNumberManager
(
const
Size
nb_threads) :
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_nb_threads_(nb_threads) {
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GUM_CONSTRUCTOR(ThreadNumberManager);
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}
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// copy constructor
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INLINE ThreadNumberManager::ThreadNumberManager(
const
ThreadNumberManager& from) :
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_nb_threads_(from._nb_threads_) {
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GUM_CONS_CPY(ThreadNumberManager);
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}
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// move constructor
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INLINE ThreadNumberManager::ThreadNumberManager(ThreadNumberManager&& from) :
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_nb_threads_(from._nb_threads_) {
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GUM_CONS_MOV(ThreadNumberManager);
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}
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// destructor
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INLINE ThreadNumberManager::~ThreadNumberManager() { GUM_DESTRUCTOR(ThreadNumberManager); }
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// copy operator
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INLINE ThreadNumberManager& ThreadNumberManager::operator=(
const
ThreadNumberManager& from) {
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_nb_threads_ = from._nb_threads_;
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return
*
this
;
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}
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// move operator
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INLINE ThreadNumberManager& ThreadNumberManager::operator=(ThreadNumberManager&& from) {
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_nb_threads_ = from._nb_threads_;
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return
*
this
;
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}
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// sets the number max of threads that can be used
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INLINE
void
ThreadNumberManager::setNumberOfThreads(
const
Size nb) { _nb_threads_ = nb; }
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// returns the current max number of threads of the scheduler
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INLINE Size ThreadNumberManager::getNumberOfThreads()
const
{
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if
(_nb_threads_ == 0) {
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return
gum::getNumberOfThreads
();
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}
else
{
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return
_nb_threads_;
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}
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}
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// indicates whether the user set herself the number of threads
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INLINE
bool
ThreadNumberManager::isGumNumberOfThreadsOverriden()
const
{
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return
_nb_threads_ != 0;
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}
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}
// namespace gum
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#endif
// DOXYGEN_SHOULD_SKIP_THIS
gum::ThreadNumberManager::ThreadNumberManager
ThreadNumberManager(Size nb_threads=0)
default constructor
gum::Size
std::size_t Size
In aGrUM, hashed values are unsigned long int.
Definition
types.h:74
gum
gum is the global namespace for all aGrUM entities
Definition
agrum.h:46
gum::getNumberOfThreads
unsigned int getNumberOfThreads()
returns the max number of threads used by default when entering the next parallel region
Definition
threadsSTL.cpp:70
threadNumberManager.h
A class to manage the number of threads to use in an algorithm.
aGrUM
3.2.0
© PHW&CG&others - 2022
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