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.
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Cornell University
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Center for Advanced Computing
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CVW material development is supported by NSF OAC awards 1854828, 2321040, 2323116 (UT Austin) and 2005506 (Indiana University)
CVW material development is supported by NSF OAC awards 1854828, 2321040, 2323116 (UT Austin) and 2005506 (Indiana University)