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  • 1. Multiprocessing in FME April 2012
  • 2. Multiprocessing: Definition Multiprocessing is the use oftwo or more central processing units (CPUs) within a single computer system - Wikipedia
  • 3. Multiprocessing: Motivation Multi-Core and HyperThreaded CPUs  Very common  Potential to increase compute-bound throughput
  • 4. Multiprocessing & FME Option on Many Transformers Multiprocesses Groups
  • 5. Multiprocessing & FME Option on All Custom Transformers
  • 6. Multiprocessing: Levels Of Parallelism None Minimal Moderate Aggressive Extreme
  • 7. Multiprocessing: Levels Of ParallelismParameter ProcessesNo Parallelism 1 License CapMinimal Cores / 2 Base 4Moderate Cores Professional 8Aggressive Cores * 1.5 Other 16Extreme Cores * 2
  • 8. Demonstration – DEM GenerationParameter TimeNo Parallelism 1’ 10”Minimal 44”Moderate 33”Aggressive 37”Extreme 37”
  • 9. Demonstration - BufferingParameter TimeNo Parallelism 2’ 51”Moderate (4) 1’ 29”Moderate (8) 1’ 30”Moderate (16) 1’ 33”Moderate (50) 1’ 54”
  • 10. Demonstration - ClippingParameter TimeNo Parallelism 27’ 01”Moderate 7’ 33”
  • 11. Multiprocessing: Summary New for 2012 Leverages Multi-Core and HyperThreading CPUs Controlled by:  Levels of Parallelism  Group-By Can give significant performance boost http://fmeevangelist.com/fmeevangelist94 http://fme.ly/parallel (FMEpedia Article)