Window Allocation
Christopher Cameron, Steve Lantz (original)
Cornell Center for Advanced Computing
Revisions: 5/2022, 4/2013 (original)
This topic describes the potential advantages of using MPI's optional buffer allocation function.
Objectives
After you complete this topic, you should be able to:
- Demonstrate using MPI_Alloc_mem
- Explain the conditions under which MPI_Alloc_mem can be used
- State the benefits of using a dynamic window with MPI_Win_attach and MPI_Win_detach
Prerequisites
- A basic knowledge of parallel programming and MPI. Information on these prerequisites can be found in other topics (Parallel Programming Concepts and High-Performance Computing, MPI Basics).
- Ability to program in a high-level language such as Fortran or C.