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Constant depth, near constant depth, and subcubic size threshold circuits for linear algebraic calculations

United States Patent

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10,445,065
October 15, 2019
View the Complete Patent at the US Patent & Trademark Office
A method of increasing an efficiency at which a plurality of threshold gates arranged as neuromorphic hardware is able to perform a linear algebraic calculation having a dominant size of N. The computer-implemented method includes using the plurality of threshold gates to perform the linear algebraic calculation in a manner that is simultaneously efficient and at a near constant depth. "Efficient" is defined as a calculation algorithm that uses fewer of the plurality of threshold gates than a naive algorithm. The naive algorithm is a straightforward algorithm for solving the linear algebraic calculation. "Constant depth" is defined as an algorithm that has an execution time that is independent of a size of an input to the linear algebraic calculation. The near constant depth comprises a computing depth equal to or between O(log(log(N)) and the constant depth.
15/699,077
September 8, 2017
1/1;
G06F 7/483 (20060101); G06F 17/12 (20060101); G06F 17/16 (20060101); G06F 7/487 (20060101); G06N 3/063 (20060101);
;708/208,446
GOVERNMENT LICENSE RIGHTS This invention was made with United States Government support under Contract No. DE-NA0003525 between National Technology & Engineering Solutions of Sandia, LLC and the United States Department of Energy. The United States Government has certain rights in this invention.