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.

Date of Patent:
Nov. 25, 2014

Filed:

Jul. 16, 2013
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Raghu G. GopalaKrishnaSetty, Bangalore, IN;

Kshitij Kulshreshtha, Bangalore, IN;

Balaji Upputuri, Bangalore, IN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/50 (2006.01); G06F 9/455 (2006.01);
U.S. Cl.
CPC ...
G06F 17/5081 (2013.01);
Abstract

A processor-implemented method for selective Q-gating flip-flops in a plurality of flip-flops contained in a design is provided. The method may include determining a maximum width, a maximum depth, and a maximum congestion value in the design and determining a relative width, a relative depth, and a relative congestion value for each of the plurality of flip-flops in the design. The method may further include determining grade values for each of the plurality of flip-flops in the design based on a ratio between the relative width, the relative depth and the relative congestion value, and the maximum width, the maximum depth, and the maximum congestion value, respectively and determining an overall summed value for each of the plurality of flip-flops. Then the method may sort the plurality of flip-flops based on the overall summed value for the plurality of flip-flops according to magnitude.


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