Shodor

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Blue Waters 2011 Petascale Institute

Day 03 - Advanced MPI

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Conceptual and Practical Session

• MPI Collective Communication ( PPT / PDF / exercise DOC )
  • Alleviating some of the headaches of Send/Recv pairs
  • Providing the mechanisms for synchronization
  • Outlining the different classifications of Collectives

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Break ( 10:30 - 10:45 )

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Lab Session

• Lab: The N-Body problem

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Lunch ( 12:15 - 1:15 )

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Practical and Lab Session

• Project Euler ( .pdf / .ppt )

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Break ( 3:15 - 3:30 )

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Evening Lab Session

Activities

• Daily Survey
• More MPI, applying collectives and more advanced MPI calls
  • N-Body parallelized with MPI - code
  • Game of Life parallelized with MPI

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Materials

Daily Resources

• Primes Work Pool ( .c )
  • Check Prime Brute Force ( .c, .h )
• Primes Divide and Conquer ( .c, .h )
• Deadlock ( .c )
• Scatter Gather Lab ( .pdf )
• More MPI ( .pdf / .ppt )
• Compilers ( .pdf / .ppt )
• MPI Collective Operations ( .txt )
• Eratosthenes ( .c )
• PI MPI Collectives ( .c )
• N-Body ( .zip )
• GalaxSee ( .pdf )
• Game of Life ( .pdf )
• MPI Error Handling Example ( .pdf )
• Simulating Life at the Atomic Scale (NAMD) ( .pdf )

Supplemental Resources

• Sieve of Eratosthenes
• MPI
  • The Message Passing Interface (MPI) standard [link]
  • Training Materials for MPI, Advanced MPI, and MPI Performance Topics [link]
  • Tutorial material on MPI available on the web [link]
  • Message Passing Interface Forum [link]
  • MPICH2 manuals [ link]
  • OpenMPI manuals [ link]

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