Analog neuromorphic circuits for dot-product operation implementing resistive memories
First Claim
1. An analog neuromorphic circuit that implements a plurality of resistive memories, comprising:
- a plurality of input voltages applied to the analog neuromorphic circuit, wherein each input voltage represents a vector value that is a non-binary value included in a vector that is incorporated into a dot-product operation with a plurality of matrix values included in a matrix;
a plurality of resistive memories with each resistive memory configured to provide a resistance value to each corresponding input voltage, wherein each resistance value is a positive resistance value selected from a finite range of resistance values; and
a controller configured to;
pair each resistive memory with another resistive memory from the plurality of resistive memories so that each pair of resistive memories includes a pair of resistance values,convert each pair of resistance values from a pair of positive resistance values selected from the finite range of resistance values to a single non-binary value, wherein each single non-binary value is mapped to a matrix value included in the matrix that is incorporated into the dot-product operation with the vector values included in the vector, andgenerate a plurality of dot-product operation values from the dot-product operation with the vector and the matrix, wherein each dot-product operation value is a non-binary value.
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Abstract
An analog neuromorphic circuit is disclosed having resistive memories that provide a resistance to each corresponding input voltage signal. Input voltages are applied to the analog neuromorphic circuit. Each input voltage represents a vector value that is a non-binary value included in a vector that is incorporated into a dot-product operation with weighted matrix values included in a weighted matrix. A controller pairs each resistive memory with another resistive memory. The controller converts each pair of resistance values to a single non-binary value. Each single non-binary value is mapped to a weighted matrix value included in the weighted matrix that is incorporated into the dot-product operation with the vector values included in the vector. The controller generates dot-product operation values from the dot-product operation with the vector and the weighted matrix where each dot-product operation is a non-binary value.
22 Citations
7 Claims
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1. An analog neuromorphic circuit that implements a plurality of resistive memories, comprising:
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a plurality of input voltages applied to the analog neuromorphic circuit, wherein each input voltage represents a vector value that is a non-binary value included in a vector that is incorporated into a dot-product operation with a plurality of matrix values included in a matrix; a plurality of resistive memories with each resistive memory configured to provide a resistance value to each corresponding input voltage, wherein each resistance value is a positive resistance value selected from a finite range of resistance values; and a controller configured to; pair each resistive memory with another resistive memory from the plurality of resistive memories so that each pair of resistive memories includes a pair of resistance values, convert each pair of resistance values from a pair of positive resistance values selected from the finite range of resistance values to a single non-binary value, wherein each single non-binary value is mapped to a matrix value included in the matrix that is incorporated into the dot-product operation with the vector values included in the vector, and generate a plurality of dot-product operation values from the dot-product operation with the vector and the matrix, wherein each dot-product operation value is a non-binary value. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification