Arcane  v3.16.4.0
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IParallelDispatch.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/* IParallelDispatch.h (C) 2000-2025 */
9/* */
10/* Gestion des messages parallèles pour un type de valeur. */
11/*---------------------------------------------------------------------------*/
12#ifndef ARCANE_CORE_IPARALLELDISPATCH_H
13#define ARCANE_CORE_IPARALLELDISPATCH_H
14/*---------------------------------------------------------------------------*/
15/*---------------------------------------------------------------------------*/
16
17#include "arcane/core/ArcaneTypes.h"
18#include "arcane/core/Parallel.h"
19#include "arccore/message_passing/ITypeDispatcher.h"
20
21/*---------------------------------------------------------------------------*/
22/*---------------------------------------------------------------------------*/
23
24namespace Arcane
25{
26
27/*---------------------------------------------------------------------------*/
28/*---------------------------------------------------------------------------*/
29/*!
30 * \internal
31 * \brief Gestion des messages parallèles pour le type \a Type.
32 */
33template <class Type>
34class IParallelDispatchT
35{
36 public:
37
38 using Request = Parallel::Request;
39 using eReduceType = Parallel::eReduceType;
40 using PointToPointMessageInfo = Parallel::PointToPointMessageInfo;
41
42 public:
43
44 virtual ~IParallelDispatchT() = default;
45
46 public:
47
48 virtual void finalize() = 0;
49
50 public:
51
52 virtual void broadcast(ArrayView<Type> send_buf, Int32 rank) = 0;
53 virtual void allGather(ConstArrayView<Type> send_buf, ArrayView<Type> recv_buf) = 0;
54 virtual void allGatherVariable(ConstArrayView<Type> send_buf, Array<Type>& recv_buf) = 0;
55 virtual void gather(ConstArrayView<Type> send_buf, ArrayView<Type> recv_buf, Int32 rank) = 0;
56 virtual void gatherVariable(ConstArrayView<Type> send_buf, Array<Type>& recv_buf, Int32 rank) = 0;
57 virtual void scatterVariable(ConstArrayView<Type> send_buf, ArrayView<Type> recv_buf, Int32 root) = 0;
58 virtual void allToAll(ConstArrayView<Type> send_buf, ArrayView<Type> recv_buf, Integer count) = 0;
59 virtual void allToAllVariable(ConstArrayView<Type> send_buf, Int32ConstArrayView send_count,
60 Int32ConstArrayView send_index, ArrayView<Type> recv_buf,
61 Int32ConstArrayView recv_count, Int32ConstArrayView recv_index) = 0;
62 virtual Type allReduce(eReduceType op, Type send_buf) = 0;
63 virtual void allReduce(eReduceType op, ArrayView<Type> send_buf) = 0;
64
65 public:
66
67 virtual Request send(ConstArrayView<Type> send_buffer, Int32 rank, bool is_blocked) = 0;
68 virtual Request send(Span<const Type> recv_buffer, const PointToPointMessageInfo& message) = 0;
69 virtual Request recv(ArrayView<Type> recv_buffer, Int32 rank, bool is_blocked) = 0;
70 virtual Request receive(Span<Type> recv_buffer, const PointToPointMessageInfo& message) = 0;
71 virtual void send(ConstArrayView<Type> send_buffer, Int32 rank) = 0;
72 virtual void recv(ArrayView<Type> recv_buffer, Int32 rank) = 0;
73 virtual void sendRecv(ConstArrayView<Type> send_buffer, ArrayView<Type> recv_buffer, Int32 proc) = 0;
74 virtual Type scan(eReduceType op, Type send_buf) = 0;
75 virtual void scan(eReduceType op, ArrayView<Type> send_buf) = 0;
76 virtual void computeMinMaxSum(Type val, Type& min_val, Type& max_val, Type& sum_val,
77 Int32& min_rank,
78 Int32& max_rank) = 0;
79 virtual void computeMinMaxSum(ConstArrayView<Type> values,
80 ArrayView<Type> min_values,
81 ArrayView<Type> max_values,
82 ArrayView<Type> sum_values,
83 ArrayView<Int32> min_ranks,
84 ArrayView<Int32> max_ranks) = 0;
85
86 public:
87
88 virtual ITypeDispatcher<Type>* toArccoreDispatcher() = 0;
89};
90
91/*---------------------------------------------------------------------------*/
92/*---------------------------------------------------------------------------*/
93
94} // namespace Arcane
95
96/*---------------------------------------------------------------------------*/
97/*---------------------------------------------------------------------------*/
98
99#endif
100
ArcaneTypes.h
Déclarations des types généraux de Arcane.
Parallel.h
Fichier contenant les déclarations concernant le modèle de programmation par échange de message.
Arcane::ArrayView
Vue modifiable d'un tableau d'un type T.
Definition arccore/src/base/arccore/base/ArrayView.h:94
Arcane::Array
Classe de base des vecteurs 1D de données.
Definition arccore/src/collections/arccore/collections/Array.h:1007
Arcane::ConstArrayView
Vue constante d'un tableau de type T.
Definition arccore/src/base/arccore/base/ArrayView.h:533
Arcane::MessagePassing::PointToPointMessageInfo
Informations pour envoyer/recevoir un message point à point.
Definition PointToPointMessageInfo.h:52
Arcane::MessagePassing::Request
Requête d'un message.
Definition Request.h:77
Arcane::Span
Vue d'un tableau d'éléments de type T.
Definition Span.h:513
Arcane::MessagePassing::eReduceType
eReduceType
Types des réductions supportées.
Definition MessagePassingGlobal.h:99
Arcane
-*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
Definition AbstractCaseDocumentVisitor.cc:20
Arcane::Integer
Int32 Integer
Type représentant un entier.
Definition ArccoreGlobal.h:240
Arcane::Int32ConstArrayView
ConstArrayView< Int32 > Int32ConstArrayView
Equivalent C d'un tableau à une dimension d'entiers 32 bits.
Definition UtilsTypes.h:569
Arcane::Int32
std::int32_t Int32
Type entier signé sur 32 bits.
Definition ArccoreGlobal.h:184