Overall Suggestions -- I

Overall Suggestions -- I

• Aspects of the rapid march to Pflop/s systems needs to be decoupled from long-term R&D in architectures, software and high-level programming models.
• Designs need to expose the low-level execution model to the programmer.
• Access to memory is the key design consideration for Pflop/s systems.
• Enhanced message passing facilities are needed, including support for latency management, visualization and performance tools.
  • Expect that initial Petaflop applications will be built using “brute force” and not use “seamless” high level tools
  • These brute-force experiments will guide high level tool design

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