Compiler parallelization of C programs for multi-core DSPs with multiple address spaces

  • Authors:
  • Björn Franke;M.F.P. O'Boyle

  • Affiliations:
  • University of Edinburgh;University of Edinburgh

  • Venue:
  • Proceedings of the 1st IEEE/ACM/IFIP international conference on Hardware/software codesign and system synthesis
  • Year:
  • 2003

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Abstract

This paper develops a new approach to compiling C programs for multiple address space, multi-processor DSPs. It integrates a novel data transformation technique that exposes the processor location of partitioned data into a parallelization strategy. When this is combined with a new address resolution mechanism, it generates efficient programs that run on multiple address spaces without using message passing. This approach is applied to the UTDSP benchmark suite and evaluated on a four processor TigerSHARC board, where it is shown to outperform existing approaches and gives an average speedup of 3.25 on the parallel benchmarks.