hello.cpp for mpi

aufgabe4.5/hello.cpp

@@ -0,0 +1,22 @@
+#define _MPI_CPP_BINDINGS
+#include <mpi.h>
+#include <iostream>
+
+int main(int argc, char* argv[])
+{
+	MPI::Init(argc, argv);
+
+	int rank = MPI::COMM_WORLD.Get_rank();
+	int size = MPI::COMM_WORLD.Get_size();
+
+	int length;
+	char* pName = new char[MPI::MAX_PROCESSOR_NAME+1];
+	MPI::Get_processor_name(pName, length);
+	std::string name(pName);
+	delete [] pName;
+
+	std::cout << "Hello World! I am " << rank << " of " << size;
+	std::cout << " running on host " << name.c_str() << std::endl;
+
+	MPI::Finalize();
+}

aufgabe4.5/hosts

@@ -0,0 +1,4 @@
+zotac1
+zotac2
+zotac3
+zotac4