Analytical Bounds for Optimal Tile Size Selection

  title={Analytical Bounds for Optimal Tile Size Selection},
  author={Jun Shirako and Kamal Sharma and Naznin Fauzia and Louis-No{\"e}l Pouchet and J. Ramanujam and P. Sadayappan and Vivek Sarkar},
In this paper, we introduce a novel approach to guide tile size selection by employing analytical models to limit empirical search within a subspace of the full search space. Two analytical models are used together: 1) an existing conservative model, based on the data footprint of a tile, which ignores intra-tile cache block replacement, and 2) an aggressive new model that assumes optimal cache block replacement within a tile. Experimental results on multiple platforms demonstrate the practical… CONTINUE READING
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