Mapping and Synchronizing Streaming Applications on Cell Processors

  • Authors:
  • Maik Nijhuis;Herbert Bos;Henri E. Bal;Cédric Augonnet

  • Affiliations:
  • Vrije Universiteit, Amsterdam, The Netherlands;Vrije Universiteit, Amsterdam, The Netherlands;Vrije Universiteit, Amsterdam, The Netherlands;INRIA - LaBRI, Université Bordeaux 1, France

  • Venue:
  • HiPEAC '09 Proceedings of the 4th International Conference on High Performance Embedded Architectures and Compilers
  • Year:
  • 2008

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Abstract

Developing streaming applications on heterogenous multi-processor architectures like the Cell is difficult. Currently, application developers need to know about hardware details to deal with issues like scheduling, memory management and communication/synchronization. Worse, with multiple alternatives for communication available, developers spend significant time picking the most appropriate one. A poor choice often results in bad performance. With Cell-Space , we shield users from hardware details without compromising performance. Its runtime is based on an evaluation of the different communication primitives. In Cell-Space , developers specify a streaming application as a data flow graph of interacting components. Both task- and data-parallelism are easily expressed and advanced features such as dynamic reconfiguration are fully supported. Beneath a simple interface we include a slew of optimizations not present in other Cell run time environments. We demonstrate the impact of these optimizations and show that Cell-Space applications can efficiently exploit the resources offered by the Cell.