The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 05, 2005
Filed:
Dec. 31, 2001
Joseph P. Bratt, San Jose, CA (US);
Alexei V. Ouzilevski, Cupertino, CA (US);
Ronald Gerard Langhi, Mountain View, CA (US);
Steven Todd Weybrew, Portland, OR (US);
Joseph P. Bratt, San Jose, CA (US);
Alexei V. Ouzilevski, Cupertino, CA (US);
Ronald Gerard Langhi, Mountain View, CA (US);
Steven Todd Weybrew, Portland, OR (US);
Apple Computer, Inc., Cupertino, CA (US);
Abstract
Methods and apparatuses for transposing a matrix using a vector look up unit. In one aspect of the invention, a method for matrix transposition includes: rotating in a vector register a first row of a matrix to generate a first row, of elements; writing simultaneously into a plurality of look up units the first row of elements indexed by a first row of indices in a vector register; looking up simultaneously from the plurality of look up units a second row of elements indexed by a second row of indices in a vector register; and rotating in a vector register the second row of elements to generate a third row of elements.