Basic HTML version of Foils prepared August 7 98

Foil 18 Parallel Languages

From DoD HPF Training -- 1. Introduction to HPF DoD Training and Others -- 1995-98. by Chuck Koelbel -- Rice University
1 A parallel language provides an executable notation for implementing a parallel algorithm.
2 Design criteria:
  • How are parallel operations defined?
    • static tasks vs. dynamic tasks vs. implicit operations
  • How is data shared between tasks?
    • explicit communication/synchronization vs. shared memory
  • How is the language implemented?
    • low-overhead runtime systems vs. optimizing compilers
3 Usually a language reflects a particular type of parallelism.
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