CollectionsGlobal.h

// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
//-----------------------------------------------------------------------------
// Copyright 2000-2024 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
// See the top-level COPYRIGHT file for details.
// SPDX-License-Identifier: Apache-2.0
//-----------------------------------------------------------------------------
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/* CollectionsGlobal.h                                         (C) 2000-2024 */
/*                                                                           */
/* Définitions globales de la composante 'Collections' de 'Arccore'.         */
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#ifndef ARCCORE_COLLECTIONS_COLLECTIONSGLOBAL_H
#define ARCCORE_COLLECTIONS_COLLECTIONSGLOBAL_H
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#include "arccore/base/ArccoreGlobal.h"
 
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#if defined(ARCCORE_COMPONENT_arccore_collections)
#define ARCCORE_COLLECTIONS_EXPORT ARCCORE_EXPORT
#define ARCCORE_COLLECTIONS_EXTERN_TPL
#else
#define ARCCORE_COLLECTIONS_EXPORT ARCCORE_IMPORT
#define ARCCORE_COLLECTIONS_EXTERN_TPL extern
#endif
 
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namespace Arccore
{
class IMemoryAllocator;
class PrintableMemoryAllocator;
class AlignedMemoryAllocator;
class AlignedMemoryAllocator3;
class DefaultMemoryAllocator;
class DefaultMemoryAllocator3;
class ArrayImplBase;
class ArrayMetaData;
class MemoryAllocationArgs;
class MemoryAllocationOptions;
class ArrayDebugInfo;
template<typename DataType> class ArrayTraits;
template<typename DataType> class ArrayImplT;
template<typename DataType> class Array;
template<typename DataType> class AbstractArray;
template<typename DataType> class UniqueArray;
template<typename DataType> class SharedArray;
template<typename DataType> class Array2;
template<typename DataType> class UniqueArray2;
template<typename DataType> class SharedArray2;
}
 
namespace Arcane::Accelerator
{
class RunQueue;
};
 
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namespace Arccore
{
using Arcane::Accelerator::RunQueue;
 
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//! Indices sur la localisation mémoire attendue
enum class eMemoryLocationHint : int8_t
{
  //! Aucune indice
  None = 0,
  //! Indique que la donnée sera plutôt utilisée sur accélérateur
  MainlyDevice = 1,
  //! Indique que la donnée sera plutôt utilisée sur CPU
  MainlyHost = 2,
  /*!
   * \brief Indique que la donnée sera utilisée à la fois sur accélérateur et
   * sur CPU et qu'elle ne sera pas souvent modifiée.
   */
  HostAndDeviceMostlyRead = 3
};
 
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/*!
 * \brief Informations sur une zone mémoire allouée.
 */
class AllocatedMemoryInfo
{
 public:
 
  AllocatedMemoryInfo() = default;
  explicit AllocatedMemoryInfo(void* base_address)
  : m_base_address(base_address)
  {}
  AllocatedMemoryInfo(void* base_address, Int64 size)
  : m_base_address(base_address)
  , m_size(size)
  , m_capacity(size)
  {}
  AllocatedMemoryInfo(void* base_address, Int64 size, Int64 capacity)
  : m_base_address(base_address)
  , m_size(size)
  , m_capacity(capacity)
  {}
 
  //! Adresse du début de la zone allouée.
  void* baseAddress() const { return m_base_address; }
  //! Taille en octets de la zone mémoire utilisée. (-1) si inconnue
  Int64 size() const { return m_size; }
  //! Taille en octets de la zone mémoire allouée. (-1) si inconnue
  Int64 capacity() const { return m_capacity; }
 
 public:
 
  void* m_base_address = nullptr;
  Int64 m_size = -1;
  Int64 m_capacity = -1;
};
 
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} // namespace Arccore
 
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#endif