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Curricular Integration is the key

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Linux examples: Beowulf, Legion, PARIS. Slide 5. OS Impact. Microkernel-based OS architecture ... Thread usage in libraries. Thread usage by libraries ... – PowerPoint PPT presentation

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Title: Curricular Integration is the key


1
Curricular Integration is the key
  • David E. Hudak
  • Chairman, CS Department
  • Ohio Northern University

2
Two approaches to parallelism
  • Integration in multiple courses
  • Stand-alone class for upperclassmen
  • The answer 80/20
  • PP technology topics in traditional courses (80)
  • A single course allows a focus on the very
    high-end parallel systems used for scientific
    computing (20)

3
Impact of parallel processing?
  • Parallel considerations occur at every level of
    the system
  • Hardware
  • OS
  • Language
  • Application

4
Hardware Impact
  • Two major categories of parallel systems
  • SMP (Symmetric Multiprocessing) machines
  • Small numbers of processors on same system bus
  • Clusters
  • Collections of machines connected by network
  • Linux examples Beowulf, Legion, PARIS

5
OS Impact
  • Microkernel-based OS architecture
  • OS-level thread support
  • Multiprocessor scheduling algorithms
  • Interprocess communication structures
  • Added emphasis on synchronization issues

6
Language Impact
  • Thread constructs in language
  • Thread usage in libraries
  • Thread usage by libraries
  • Reentrant code (thread safe)
  • Distributed objects in Java, C
  • CORBA
  • Enterprise JavaBeans

7
Application Impact
  • Multi-threaded applications
  • improved interactivity, performance
  • Multi-tier architectures
  • Back-end, middleware, front end
  • example
  • Back-end Access database
  • Middleware JavaBeans
  • Front-end Dynamic HTML generation for
    e-commerce site (we did a car dealership)
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