Earth Simulator - PowerPoint PPT Presentation

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Title:

Earth Simulator

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640 Nodes, 8 vector processors each. 16GB shared memory per node ... Parallel analyzers, debuggers and tuning tools. MPI vs. High Performance Fortran (HPF) ... – PowerPoint PPT presentation

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Provided by: hallaa
Learn more at: http://www2.it.lut.fi
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Title: Earth Simulator


1
Earth Simulator
  • Jari Halla-aho
  • Pekka Keränen

2
Architecture
  • MIMD type distributed memory
  • 640 Nodes, 8 vector processors each.
  • 16GB shared memory per node
  • 64GFlop/s peak performance per node
  • Total
  • Peaks at 40TFlop/s
  • 10 TB main memory, 700 TB disk space, 1.6 PT mass
    storage

3
(No Transcript)
4
Interconnection Network
5
Software
  • Operating system enhanced version of NEC
    SUPER-UX
  • Parallel file system
  • Three-level parallel processing environment
  • Fortran 90, C and C compilers support automatic
    vectorization and parallelization
  • Parallel analyzers, debuggers and tuning tools
  • MPI vs. High Performance Fortran (HPF)

6
Performance
  • TOP500.org number one!
  • LINPACK 35,86 TFlops, which means 87,5
    compared to peak performance 40,96 TFlops
  • HP ASCI Q 7,73/10,24 TFlops (second)
  • MPI vs. HPF

7
Scalability
8
Application areas
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