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:
Feb. 18, 2020
Filed:
Dec. 13, 2017
International Business Machines Corporation, Armonk, NY (US);
Ali S. El-Zein, Austin, TX (US);
Mark A. Williams, Pleasant Valley, NY (US);
Robert L. Kanzelman, Rochester, MN (US);
Viresh Paruthi, Austin, TX (US);
Wolfgang Roesner, Austin, TX (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Embodiments of the present invention provides methods, computer program products, and a system for processing hierarchical references for a formal equivalence check. In certain embodiments, hierarchical references of a first design are identified as functionally equivalent to hierarchical references of a second design. Value outputs of the first design can be compared to the value outputs of the second design to determine whether the value outputs of the respective designs match.