File: demo4.cpp

package info (click to toggle)
boost1.74 1.74.0%2Bds1-21
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 463,588 kB
  • sloc: cpp: 3,338,117; xml: 131,293; python: 33,088; ansic: 14,292; asm: 4,038; sh: 3,353; makefile: 1,193; perl: 1,036; yacc: 478; php: 212; ruby: 102; lisp: 24; sql: 13; csh: 6
file content (25 lines) | stat: -rw-r--r-- 486 bytes parent folder | download | duplicates (12) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
// https://www.boost.org/doc/libs/1_67_0/doc/html/mpi/tutorial.html

#include <boost/mpi.hpp>
#include <iostream>
#include <string>
#include <boost/serialization/string.hpp>
namespace mpi = boost::mpi;

int main()
{
  mpi::environment env;
  mpi::communicator world;

  std::string value;
  if (world.rank() == 0)
  {
    value = "Hello, World!";
  }

  broadcast(world, value, 0);

  std::cout << "Process #" << world.rank() << " says " << value
            << std::endl;
  return 0;
}