Environmental Management

This chapter discusses routines for getting and, where appropriate, setting various parameters that relate to the MPI implementation and the execution environment. It discusses error handling in MPI and the procedures available for controlling MPI error handling. The procedures for entering and leaving the MPI execution environment are also described here. Finally, the chapter discusses the interaction between MPI and the general execution environment. environmental parameters error handling interaction, MPI with execution environment initializationexit

• Implementation Information
  • Environmental Inquiries
    • Tag Values
    • Host Rank
    • I/O Rank
    • Clock Synchronization
• Timers and Synchronization
• Initialization and Exit
• Error Handling
  • Error Handlers
  • Error Codes
• Interaction with Executing Environment
  • Independence of Basic Runtime Routines
  • Interaction with Signals in POSIX