Q. Which of the followings is the BEST description of Message PassingInterface (MPI)? (Solved)
1. A specification of a shared memory library
2. MPI uses objects called communicators and groups to define which collection of processes may communicate with each other
3. Only communicators and not groups are accessible to the programmer only by a "handle"
4. A communicator is an ordered set of processes
- b. MPI uses objects called communicators and groups to define which collection of processes may communicate with each other