Basic HTML version of Foils prepared August 29 98

Foil 10 Design of OpenMP (2)

From Designing and Building Parallel Programs 2: openMP Shared Memory Programming Language DoD Modernization Tutorial -- 1995-1998. by Ian Foster, Gina Goff, Ehtesham Hayder, Chuck Koelbel(Some foils prepared by Kuck & Associates, Inc.)
Synchronization
  • Simple implicit synch at beginning and end of control structures
  • Explicit synch for more complex patterns: BARRIER, CRITICAL, ATOMIC, FLUSH, ORDERED
Runtime library
  • Manages modes for forking and scheduling threads
  • E.g, OMP_GET_THREAD_NUM

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