Arcane  v4.1.2.0
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IProcessorAffinityService.h
1// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
2//-----------------------------------------------------------------------------
3// Copyright 2000-2025 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
4// See the top-level COPYRIGHT file for details.
5// SPDX-License-Identifier: Apache-2.0
6//-----------------------------------------------------------------------------
7/*---------------------------------------------------------------------------*/
8/* IProcessorAffinityService.h (C) 2000-2025 */
9/* */
10/* Interface d'un service de gestion de l'affinité des coeurs CPU. */
11/*---------------------------------------------------------------------------*/
12#ifndef ARCANE_UTILS_IPROCESSORAFFINITYSERVICE_H
13#define ARCANE_UTILS_IPROCESSORAFFINITYSERVICE_H
14/*---------------------------------------------------------------------------*/
15/*---------------------------------------------------------------------------*/
16
17#include "arcane/utils/ArcaneGlobal.h"
18
19/*---------------------------------------------------------------------------*/
20/*---------------------------------------------------------------------------*/
21
22namespace Arcane
23{
24
25/*---------------------------------------------------------------------------*/
26/*---------------------------------------------------------------------------*/
31class IProcessorAffinityService
32{
33 public:
34
35 virtual ~IProcessorAffinityService() {} //<! Libère les ressources
36
37 public:
38
39 virtual void build() = 0;
40
41 public:
42
44 virtual void printInfos() = 0;
45
53 virtual String cpuSetString() = 0;
54
56 virtual void bindThread(Int32 cpu) = 0;
57
59 virtual Int32 numberOfCore() = 0;
60
62 virtual Int32 numberOfSocket() = 0;
63
65 virtual Int32 numberOfProcessingUnit() = 0;
66};
67
68/*---------------------------------------------------------------------------*/
69/*---------------------------------------------------------------------------*/
70
71} // namespace Arcane
72
73/*---------------------------------------------------------------------------*/
74/*---------------------------------------------------------------------------*/
75
76#endif
ArcaneGlobal.h
Fichier de configuration d'Arcane.
Arcane::IProcessorAffinityService
Interface d'un service de gestion de l'affinité des coeurs CPU.
Definition IProcessorAffinityService.h:32
Arcane::IProcessorAffinityService::bindThread
virtual void bindThread(Int32 cpu)=0
Contraint le thread courant à rester sur le coeur d'indice cpu.
Arcane::IProcessorAffinityService::numberOfSocket
virtual Int32 numberOfSocket()=0
Nombre de sockets (-1 si inconnu)
Arcane::IProcessorAffinityService::numberOfProcessingUnit
virtual Int32 numberOfProcessingUnit()=0
Nombre de coeurs logiques (-1 si inconnu)
Arcane::IProcessorAffinityService::cpuSetString
virtual String cpuSetString()=0
Retourne le cpuset pour le thread courant.
Arcane::IProcessorAffinityService::printInfos
virtual void printInfos()=0
Affiche les informations complète de topologie via info()
Arcane::IProcessorAffinityService::numberOfCore
virtual Int32 numberOfCore()=0
Nombre de coeurs CPU (-1 si inconnu)
Arcane::String
Chaîne de caractères unicode.
Definition arccore/src/base/arccore/base/String.h:70
Arcane
-*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
Definition arcane/src/arcane/accelerator/AcceleratorGlobal.h:37
Arcane::Int32
std::int32_t Int32
Type entier signé sur 32 bits.
Definition ArccoreGlobal.h:225