A fast and accurate framework to analyze and optimize cache memory behavior
ACM Transactions on Programming Languages and Systems (TOPLAS)
A Geometric Programming Framework for Optimal Multi-Level Tiling
Proceedings of the 2004 ACM/IEEE conference on Supercomputing
Zero cost indexing for improved processor cache performance
ACM Transactions on Design Automation of Electronic Systems (TODAES)
Optimizing locality and scalability of embedded Runge--Kutta solvers using block-based pipelining
Journal of Parallel and Distributed Computing
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The effectiveness of the memory hierarchy is critical for the performance of current processors. The performance of the memory hierarchy can be improved by means of program transformations such as loop tiling, which is a code transformation targeted to reduce capacity misses. This paper presents a novel systematic approach to perform near-optimal loop tiling based on an accurate data locality analysis (Cache Miss Equations) and a powerful technique to search the solution space that is based on a genetic algorithm. The results show that this approach can remove practically all capacity misses for all considered benchmarks. The reduction of replacement misses results in a decrease of the miss ratio that can be as significant as a factor of 7 for the matrix multiply kernel.