Memory efficient scheduling of Strassen-Winograd's matrix multiplication algorithm - Archive ouverte HAL
Pré-Publication, Document De Travail Année : 2007

Memory efficient scheduling of Strassen-Winograd's matrix multiplication algorithm

Jean-Guillaume Dumas
Clément Pernet
Wei Zhou
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Résumé

Strassen's algorithm was the first sub-cubic algorithm for matrix multiplication. Its improvement by Winograd led to a highly practicable algorithm. In this report, we propose new schedules of the algorithm, that reduce of the extra memory allocation, by two differents means : either by introducing a few pre-additions, or by overwritting the input matrices.
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Dates et versions

hal-00163141 , version 1 (16-07-2007)
hal-00163141 , version 2 (31-08-2007)
hal-00163141 , version 3 (23-11-2007)
hal-00163141 , version 4 (27-01-2009)
hal-00163141 , version 5 (18-05-2009)

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Jean-Guillaume Dumas, Clément Pernet, Wei Zhou. Memory efficient scheduling of Strassen-Winograd's matrix multiplication algorithm. 2007. ⟨hal-00163141v3⟩
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