Many-Core vs. Many-Thread Machines: Stay Away From the Valley

@article{Guz2009ManyCoreVM,
  title={Many-Core vs. Many-Thread Machines: Stay Away From the Valley},
  author={Zvika Guz and Evgeny Bolotin and Idit Keidar and Avinoam Kolodny and Avi Mendelson and Uri C. Weiser},
  journal={IEEE Computer Architecture Letters},
  year={2009},
  volume={8},
  pages={25-28}
}
We study the tradeoffs between many-core machines like Intelpsilas Larrabee and many-thread machines like Nvidia and AMD GPGPUs. We define a unified model describing a superposition of the two architectures, and use it to identify operation zones for which each machine is more suitable. Moreover, we identify an intermediate zone in which both machines deliver inferior performance. We study the shape of this ldquoperformance valleyrdquo and provide insights on how it can be avoided. 
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Agrawal , “ Performance Tradeoffs in Multithreaded Processors

  • J. Hennessy Agarwal, M. Horowitz
  • IEEE Trans . on Parallel and Distributed Systems
  • 1992

“Performance Tradeoffs in Multithreaded Processors

  • A. Agrawal
  • IEEE Trans. on Parallel and Distributed Systems,
  • 1992
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