Arcane  v3.16.0.0
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MemoryPool.h
1// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
2//-----------------------------------------------------------------------------
3// Copyright 2000-2024 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/* MemoryPool.h (C) 2000-2024 */
9/* */
10/* Classe pour gérer une liste de zone allouées. */
11/*---------------------------------------------------------------------------*/
12#ifndef ARCANE_UTILS_INTERNAL_MEMORYPOOL_H
13#define ARCANE_UTILS_INTERNAL_MEMORYPOOL_H
14/*---------------------------------------------------------------------------*/
15/*---------------------------------------------------------------------------*/
16
17#include "arcane/utils/ArcaneGlobal.h"
18
19#include <memory>
20
21/*---------------------------------------------------------------------------*/
22/*---------------------------------------------------------------------------*/
23
24namespace Arcane::impl
25{
26
27/*---------------------------------------------------------------------------*/
28/*---------------------------------------------------------------------------*/
38class ARCANE_UTILS_EXPORT IMemoryPoolAllocator
39{
40 public:
41
42 virtual ~IMemoryPoolAllocator() = default;
43
44 public:
45
47 virtual void* allocateMemory(size_t size) = 0;
49 virtual void freeMemory(void* address, size_t size) = 0;
50};
51
52/*---------------------------------------------------------------------------*/
53/*---------------------------------------------------------------------------*/
63class ARCANE_UTILS_EXPORT MemoryPool
64: public IMemoryPoolAllocator
65{
66 class Impl;
67
68 public:
69
70 explicit MemoryPool(IMemoryPoolAllocator* allocator, const String& name);
71 ~MemoryPool();
72
73 public:
74
75 void* allocateMemory(size_t size) override;
76 void freeMemory(void* ptr, size_t size) override;
77 void dumpStats(std::ostream& ostr);
78 void dumpFreeMap(std::ostream& ostr);
79 String name() const;
80
88 void setMaxCachedBlockSize(size_t v);
89
91 void freeCachedMemory();
92
93 private:
94
95 std::shared_ptr<Impl> m_p;
96};
97
98/*---------------------------------------------------------------------------*/
99/*---------------------------------------------------------------------------*/
100
101} // namespace Arcane::impl
102
103/*---------------------------------------------------------------------------*/
104/*---------------------------------------------------------------------------*/
105
106#endif
ArcaneGlobal.h
Fichier de configuration d'Arcane.
Arcane::String
Chaîne de caractères unicode.
Definition arccore/src/base/arccore/base/String.h:70
Arcane::impl::IMemoryPoolAllocator
Interface d'un allocateur pour un MemoryPool.
Definition MemoryPool.h:39
Arcane::impl::IMemoryPoolAllocator::allocateMemory
virtual void * allocateMemory(size_t size)=0
Alloue un bloc pour size octets.
Arcane::impl::IMemoryPoolAllocator::freeMemory
virtual void freeMemory(void *address, size_t size)=0
Libère le bloc situé à l'adresse address contenant size octets.
Arcane::impl::MemoryPool::freeMemory
void freeMemory(void *ptr, size_t size) override
Libère le bloc situé à l'adresse address contenant size octets.
Definition MemoryPool.cc:370
Arcane::impl::MemoryPool::allocateMemory
void * allocateMemory(size_t size) override
Alloue un bloc pour size octets.
Definition MemoryPool.cc:366
Arcane::impl::MemoryPool::setMaxCachedBlockSize
void setMaxCachedBlockSize(size_t v)
Positionne la taille en octet à partir de laquelle on ne conserve pas un bloc dans le cache.
Definition MemoryPool.cc:388
Arcane::impl::MemoryPool::freeCachedMemory
void freeCachedMemory()
Libère la mémoire dans le cache.
Definition MemoryPool.cc:393