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Using Recursion to Boost ATLAS's Performance
[chapter]
High-Performance Computing
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We investigate the performance benefits of a novel recursive formulation of Strassen's algorithm over highly tuned matrix-multiply (MM) routines, such as the widely used ATLAS for high-performance systems. We combine Strassen's recursion with high-tuned version of ATLAS MM and we present a family of recursive algorithms achieving up to 15% speed-up over ATLAS alone. We show experimental results for 7 different systems.
doi:10.1007/978-3-540-77704-5_12
dblp:conf/ishpc/DAlbertoN05
fatcat:uvgyyoiogjbcpmoozgn3hmjjg4