On increasing the effective blocking factor of a matrix for a given cache organization
Demirhan, Atilla N.
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Blocking (Tiling) techniques of iteration spaces to increase data reuse in the cache were reviewed. Results consistent with those previously published were experimentally obtained. The relation between the sizes of the declared matrix and the cache was studied. Based on this relations, two algorithms were presented. Both algorithms attempt to increase the critical blocking factor with no self-interference (Bc) by changing the declared matrix size. Furthermore, the execution time of the second algorithm is independent of the matrix size. Experiments based on these algorithms were performed which showed a consistent superior performance (in terms of Mflops) relative to the performance obtained using previously published algorithms for deriving Bc.
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