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:
Sep. 01, 2015
Filed:
Jun. 11, 2012
Maarten J. Boersma, Holzgerlingen, DE;
Klaus Michael Kroener, Ehningen, DE;
Christophe J. Layer, Boeblingen, DE;
Silvia M. Mueller, Altdorf, DE;
Maarten J. Boersma, Holzgerlingen, DE;
Klaus Michael Kroener, Ehningen, DE;
Christophe J. Layer, Boeblingen, DE;
Silvia M. Mueller, Altdorf, DE;
International Business Machines Corporation, Armonk, NY (US);
Abstract
A fused multiply-adder is disclosed. The fused multiply-adder includes a Booth encoder, a fraction multiplier, a carry corrector, and an adder. The Booth encoder initially encodes a first operand. The fraction multiplier multiplies the Booth-encoded first operand by a second operand to produce partial products, and then reduces the partial products into a set of redundant sum and carry vectors. The carry corrector then generates a carry correction factor for correcting the carry vectors. The adder adds the redundant sum and carry vectors and the carry correction factor to a third operand to yield a final result.