Parallel Computing Methodology in a Nutshell I

• Find what machine or class of Machines you have available

• Examine parallelism seemingly available in your application (algorithm) and decide on mechanism needed to exploit it.

  • What is decomposition implied by algorithm
  • Do we need to devise or adapt a nifty new algorithm
  • Is there an “automatic” way of implementing or must it be done more or less by hand

• Decide on and use programming model (HPF, MPI, Threads, openMP) and explicit realization of it

  • expressivity; support for chosen machine; robustness

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