Getting Started with OpenMP -- C version

Table of Contents

• Introduction
  • What you will learn
  • Going further
• But First Some Administrative Matters
  • Establish an SP account
  • Log in to the SP using SSH
  • Tutorial file system
  • Tutorial makefile
  • LoadLeveler execution script
  • Receiving email from LoadLeveler
  • Important links and documentation
• A First OpenMP Program
  • The basic idea
  • The "arrayUpdate" program
  • Compiling and running the "arrayUpdate_serial" program
  • Compiling and running the "arrayUpdate" program
• An OpenMP Program with Loop Dependences
  • Execution context
  • The "arrayUpdate_II" program
  • Compiling and running the parallel "arrayUpdate_II" program
• An OpenMP Program with Explicit Synchronization Requirements
  • What is meant by synchronization?
  • A program with faulty synchronization, the "updateArray_III" program
  • Compiling and running the parallel "arrayUpdate_III" program
  • Handling shared variables within a parallel construct
  • Reduction -- hybrid shared/private variable
• Review and Preview
  • What have we learned?
  • What's next?
• Using the TotalView OpenMP Debugger
  • TotalView preliminaries
  • Under the hood of OpenMP
  • A TotalView OpenMP debugging session