Title:
演算装置
Document Type and Number:
Japanese Patent JP7034984
Kind Code:
B2
Abstract:
An arithmetic apparatus according to an embodiment outputs a multiplicative value obtained by multiplying a weight value and an input value. The arithmetic apparatus includes a memristor, a logarithmic transform circuit, and a current-voltage converter circuit. The memristor is a device capable of changing voltage-current characteristic, and the memristor is preset to voltage-current characteristic according to the weight value. The logarithmic transform circuit applies an intermediate voltage, to the memristor, that is obtained by logarithmically transforming an input voltage according to the input value in accordance with a logarithmic transform function obtained by multiplying a natural logarithm function by a preset coefficient. The current-voltage converter circuit outputs an output voltage obtained by performing current-voltage conversion of current flowing through the memristor according to a preset linear function, as a multiplicative value.
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Inventors:
Verdun Radu
Yoshifumi Nishi
Takao Marugame
Yoshifumi Nishi
Takao Marugame
Application Number:
JP2019101692A
Publication Date:
March 14, 2022
Filing Date:
May 30, 2019
Export Citation:
Assignee:
Toshiba Corporation
International Classes:
G06G7/60; G06F17/10; G06G7/16
Domestic Patent References:
| JP20193546A |
Foreign References:
| US20180095722 | ||||
| WO2015141626A1 |
Attorney, Agent or Firm:
Sakai International Patent Office
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