1 // Copyright (C) 2006 Douglas Gregor <doug.gregor -at- gmail.com>
3 // Use, modification and distribution is subject to the Boost Software
4 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
5 // http://www.boost.org/LICENSE_1_0.txt)
9 * This header provides MPI configuration details that expose the
10 * capabilities of the underlying MPI implementation, and provides
11 * auto-linking support on Windows.
13 #ifndef BOOST_MPI_CONFIG_HPP
14 #define BOOST_MPI_CONFIG_HPP
16 /* Force MPICH not to define SEEK_SET, SEEK_CUR, and SEEK_END, which
17 conflict with the versions in <stdio.h> and <cstdio>. */
18 #define MPICH_IGNORE_CXX_SEEK 1
21 #include <boost/config.hpp>
23 /** @brief Comment this macro is you are running in an heterogeneous environment.
25 * When this flag is enabled, we assume some simple, POD-like, type can be
26 * transmitted without paying the cost of portable serialization.
28 * Comment this if your platform is not homogeneous and that portable
29 * serialization/deserialization must be performed.
31 * It you do so, check that your MPI implementation supports thats kind of environment.
33 #define BOOST_MPI_HOMOGENEOUS
35 #if defined MPI_VERSION
36 /** @brief Major version of the underlying MPI implementation supproted standard.
38 * If, for some reason, MPI_VERSION is not supported, you should probably set that
39 * according to your MPI documentation
41 # define BOOST_MPI_VERSION MPI_VERSION
43 // assume a safe default
44 # define BOOST_MPI_VERSION 2
47 #if defined MPI_SUBVERSION
48 /** @brief Major version of the underlying MPI implementation supported standard.
50 * If, for some reason, MPI_SUBVERSION is not supported, you should probably set that
51 * according to your MPI documentation
53 # define BOOST_MPI_SUBVERSION MPI_SUBVERSION
55 // assume a safe default
56 # define BOOST_MPI_SUBVERSION 2
59 // If this is an MPI-2 implementation, define configuration macros for
60 // the features we are interested in.
61 #if BOOST_MPI_VERSION >= 2
62 /** @brief Determine if the MPI implementation has support for memory
65 * This macro will be defined when the underlying MPI implementation
66 * has support for the MPI-2 memory allocation routines @c
67 * MPI_Alloc_mem and @c MPI_Free_mem. When defined, the @c allocator
68 * class template will provide Standard Library-compliant access to
69 * these memory-allocation routines.
71 # define BOOST_MPI_HAS_MEMORY_ALLOCATION
73 /** @brief Determine if the MPI implementation has supports initialization
74 * without command-line arguments.
76 * This macro will be defined when the underlying implementation
77 * supports initialization of MPI without passing along command-line
78 * arguments, e.g., @c MPI_Init(NULL, NULL). When defined, the @c
79 * environment class will provide a default constructor. This macro is
80 * always defined for MPI-2 implementations. */
81 # define BOOST_MPI_HAS_NOARG_INITIALIZATION
83 // If this is an MPI-1.x implementation, no arg initialization for
84 // mpi environment could still be available, but not mandatory.
85 // Undef this if no arg init is available:
86 //# define BOOST_MPI_HAS_NOARG_INITIALIZATION
90 # define BOOST_MPI_CALLING_CONVENTION MPIAPI
92 /** @brief Specifies the calling convention that will be used for callbacks
93 * from the underlying C MPI.
95 * This is a Windows-specific macro, which will be used internally to state
96 * the calling convention of any function that is to be used as a callback
97 * from MPI. For example, the internally-defined functions that are used in
98 * a call to @c MPI_Op_create. This macro is likely only to be useful to
99 * users that wish to bypass Boost.MPI, registering their own callbacks in
100 * certain cases, e.g., through @c MPI_Op_create.
102 # define BOOST_MPI_CALLING_CONVENTION
105 /** @brief Indicates that MPI_Bcast supports MPI_BOTTOM.
107 * Some implementations have a broken MPI_Bcast wrt to MPI_BOTTOM.
108 * BullX MPI and LAM seems to be among them, at least for some versions.
109 * The `broacast_test.cpp` test `test_skeleton_and_content` can be used to
112 #define BOOST_MPI_BCAST_BOTTOM_WORKS_FINE
115 // Configuration for LAM/MPI
116 # define BOOST_MPI_HAS_MEMORY_ALLOCATION
117 # define BOOST_MPI_HAS_NOARG_INITIALIZATION
118 # undef BOOST_MPI_BCAST_BOTTOM_WORKS_FINE
121 #if defined(MPICH_NAME)
122 // Configuration for MPICH
125 #if defined(OPEN_MPI)
126 // We do not want to import C++ binding
127 #define OMPI_BUILD_CXX_BINDINGS 1
130 #if BOOST_MPI_VERSION >= 3
131 // MPI_Probe an friends should work
132 # if defined(I_MPI_NUMVERSION)
133 // Excepted for some Intel versions.
134 // Note that I_MPI_NUMVERSION is not always defined with Intel.
135 # if I_MPI_NUMVERSION > 20190004000
136 # define BOOST_MPI_USE_IMPROBE 1
139 # define BOOST_MPI_USE_IMPROBE 1
143 /*****************************************************************************
145 * DLL import/export options *
147 *****************************************************************************/
149 #if (defined(BOOST_MPI_DYN_LINK) || defined(BOOST_ALL_DYN_LINK)) && !defined(BOOST_MPI_STATIC_LINK)
150 # if defined(BOOST_MPI_SOURCE)
151 # define BOOST_MPI_DECL BOOST_SYMBOL_EXPORT
152 # define BOOST_MPI_BUILD_DLL
154 # define BOOST_MPI_DECL BOOST_SYMBOL_IMPORT
158 #ifndef BOOST_MPI_DECL
159 # define BOOST_MPI_DECL
162 #if !defined(BOOST_MPI_NO_LIB) && !defined(BOOST_MPI_SOURCE) && !defined(BOOST_ALL_NO_LIB) && defined(__cplusplus)
163 # define BOOST_LIB_NAME boost_mpi
164 # if defined(BOOST_MPI_DYN_LINK) || defined(BOOST_ALL_DYN_LINK)
165 # define BOOST_DYN_LINK
167 # ifdef BOOST_MPI_DIAG
168 # define BOOST_LIB_DIAGNOSTIC
170 # include <boost/config/auto_link.hpp>
173 #endif // BOOST_MPI_CONFIG_HPP