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Java Based Visualizer for BeoSim. Michael Bassily SURE 2004 Advisor: Dr. Ligon. Visualizer Constructs. Background What is BeoSim?. New All Native java: AWT and SWING Data structure at most the size of number of time stamps. New Visualizer Components. OLD

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Java Based Visualizer for BeoSim

Michael Bassily

SURE 2004

Advisor: Dr. Ligon

Visualizer Constructs

  • Background
  • What is BeoSim?
  • New
  • All Native java:
    • AWT and SWING
  • Data structure at most the size of number of time stamps

New Visualizer Components

  • OLD
  • Used 3rd party graphic package JFreeChart
  • Large data structure
  • A mini-grid simulator -
    • Mini-grid: a collection of clusters limitedto campus wide setting
  • Event Driven
  • Used for testing of meta-scheduling algorithms:
    • Higher level distributed scheduling process, through which actions of all local schedules are coordinated on a grid wide bases, used for Co-allocation of clusters

Example Mini grid

  • The Data structure:
    • JobNode.java: holds data
    • about each specific job
    • TimeSlice.java: holds data
    • about each time stamp
    • TimeSack.java: holds data
    • about the entire parse

GUI Interface

Co-allocation

  • The Parser:
  • BeoParse.jj
    • Based on sun standard compiler compiler JavaCC
    • Based on regular expressions, i.e.:
  • ("\n" | "\r")* Header() Body(currentData) Footer(currentData) <EOF>
  • Header():
  • <HDR> ("\n" | "\r") <NUM>+ ("\n" | "\r")

Runtime Improvements

  • GUI Interface:
    • BeoVizGuie.java: main frame holder
    • Sub files for each inner frame:
      • ClusterFrame.java – displays cluster allocation information
      • JobAllocFrame.java – displays timeline of running jobs
      • QueueFrame.java – displays instantaneous and average
      • queue lengths
      • StatsFrame.java – displays usage statistics such as
      • grid utilization percentage

Problem

Visualizer GUI Concept Figure

The output file of BeoSim can sometimes be thousands of lines long, a way is needed so that the user can easily see what is occurring at any given time point, a Visualizer is needed!!!

There is also a previous Visualizer, but it is too slow.

The new Visualizer is much faster!!!!

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