Initial MPI

src/main.cpp

@@ -16,6 +16,10 @@
 #include "md/Space.hpp"
 #include "md/System.hpp"
 
+#include <boost/mpi/communicator.hpp>
+#include <boost/mpi/environment.hpp>
+namespace mpi = boost::mpi;
+
 int main() {
   std::cout << "kk eae men" << std::endl;
 
@@ -44,5 +48,11 @@ int main() {
   std::cout << "Getting neighboring cells of index 0" << std::endl;
   Cell neighboringCells = space.getNeighboringCells(0);
 
+  mpi::environment  env;
+  mpi::communicator world;
+
+  std::cout << "Hello, world! I am process " << world.rank() << " of " << world.size() << "."
+            << std::endl;
+
   return 0;
 }

src/md/CMakeLists.txt

@@ -1,5 +1,7 @@
 # Copyright (c) 2023 jun <https://git.firmwarejun.net/jun/MolecularDynamics2>
 
+cmake_minimum_required(VERSION 3.25.2)
+
 project(md)
 
 add_library(md
@@ -7,4 +9,12 @@ add_library(md
   Atom.cpp
   AtomsGenerator.cpp
   System.cpp
-  Space.cpp)
+  Space.cpp)
+
+find_package(MPI REQUIRED)
+include_directories(${MPI_CXX_INCLUDE_PATH})
+target_link_libraries(md ${MPI_CXX_LIBRARIES})
+
+find_package(Boost REQUIRED COMPONENTS mpi)
+include_directories(${Boost_INCLUDE_DIRS})
+target_link_libraries(md ${Boost_LIBRARIES})

src/md/Space.hpp

@@ -15,6 +15,8 @@
 
 #include "Atom.hpp"
 
+#include <boost/mpi/datatype.hpp>
+
 class Space;
 
 /**
@@ -126,4 +128,6 @@ public:
    * @return Cell
    */
   Cell getNeighboringCells(int x, int y, int z) const;
-};
+};
+
+BOOST_IS_MPI_DATATYPE(Cell);