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POE

POE. Parallel Operating Environment. Cliff Montgomery. What is POE?. POE is a collection of software tools Facilities to manage parallel execution Message Passing Interface Parallel Compiler Scripts X-Windows parallel run time analysis tools Parallel file copy utilities

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POE

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  1. POE Parallel Operating Environment

  2. Cliff Montgomery

  3. What is POE? • POE is a collection of software tools • Facilities to manage parallel execution • Message Passing Interface • Parallel Compiler Scripts • X-Windows parallel run time analysis tools • Parallel file copy utilities • Parallel debuggers • A Visualization tool, and more

  4. What does POE do?

  5. It's all about parallel execution

  6. What does POE do? • Links libraries during compilation • Finds and acquires nodes for your job • Loads your executable onto each node • Handles intertask communications • Manages the use of resources • Retrieves status info when requested • Detects and reports errors

  7. How do we use POE? • Understand the system’s configuration • Get authorized (AIX or DFS/DCE) • Compile and link using scripts • Set up your execution environment • Start any run time analysis tools • Invoke the executable, • Then...

  8. Bask in the glory of parallel computing

  9. I Learned… • The concept is beautiful, however… • The devil’s in the details • Optimization • Communications

  10. I Learned… • About MPI

  11. I Learned… • Architecture’s used today • Shared vs Distributed memory

  12. And I learned • About the Acronym daemon • PET • MHPCC • IBM, POE • AIX • SMP, MPMD • YGBSM!

  13. I also learned… Daemon There are at least 3 ways to pronounce it De-mon Day-mon Dae-mon

  14. Our Groups Interactions?

  15. Value of this segment • Overview of a working environment • Intro to MPI • A first look at code for parallel processing • Our first MP program!

  16. My overall impressions • Wonderful! • Valuable! • Well organized! • Nice trip to MHPCC and Haleakala • Great pizza!

  17. Questions?

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