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:
Mar. 16, 2021

Filed:

Mar. 13, 2019
Applicant:

Xilinx, Inc., San Jose, CA (US);

Inventors:

Vijay Kumar Reddy Enumula, Hyderabad, IN;

Sundeep Ram Gopal Agarwal, Hyderabad, IN;

Assignee:

XLNX, INC., San Jose, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 17/16 (2006.01); G06F 7/556 (2006.01); G06N 3/04 (2006.01);
U.S. Cl.
CPC ...
G06F 17/16 (2013.01); G06F 7/556 (2013.01); G06N 3/04 (2013.01);
Abstract

Disclosed approaches for circuitry that implements a softmax function include difference calculation circuitry configured to calculate differences between combinations of elements, z−z, of a vector. First lookup circuitry is configured to lookup and output representations of exponential values, eassociated with the differences in response to input of the differences. Each adder circuit of N adder circuits sums a subset of the exponential values output from the first lookup circuitry and a value of 1. The sum output by each adder circuit denotes a denominator of a plurality of denominators of the softmax function. Second lookup circuitry is configured with quotients and looks-up and outputs quotients associated with the plurality of denominators as results of the softmax function.


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