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Method and structure for cache aware transposition via rectangular subsections

United States Patent

February 4, 2014
View the Complete Patent at the US Patent & Trademark Office
A method and structure for transposing a rectangular matrix A in a computer includes subdividing the rectangular matrix A into one or more square submatrices and executing an in-place transposition for each of the square submatrices A.sub.ij.
Gustavson; Fred Gehrung (Briarcliff Manor, NY), Gunnels; John A. (Brewster, NY)
International Business Machines Corporation (Armonk, NY)
11/ 035,933
January 14, 2005
U.S. GOVERNMENT RIGHTS IN THE INVENTION This invention was made with Government support under Contract No. B517552, awarded by the United States Department of Energy. The Government has certain rights in this invention,