On the Parallel Execution Time of Tiled Loops

  title={On the Parallel Execution Time of Tiled Loops},
  author={Karin H{\"o}gstedt and Larry Carter and Jeanne Ferrante},
  journal={IEEE Trans. Parallel Distrib. Syst.},
Many computationally-intensive programs, such as those for differential equations, spatial interpolation, and dynamic programming, spend a large portion of their execution time in multiply-nested loops that have a regular stencil of data dependences. Tiling is a well-known compiler optimization that improves performance on such loops, particularly for computers with a multileveled hierarchy of parallelism and memory. Most previous work on tiling is limited in at least one of the following ways… CONTINUE READING
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