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A More Practical Indicator of MAC Operational Power Efficiency inside Memory-based Synapse Array

Title
A More Practical Indicator of MAC Operational Power Efficiency inside Memory-based Synapse Array
Authors
ChoSeongjaeLeeSung-TaeKimSoominShinHyungcheol
Ewha Authors
조성재
SCOPUS Author ID
조성재scopus
Issue Date
2024
Journal Title
Journal of Semiconductor Technology and Science
ISSN
1598-1657JCR Link
Citation
Journal of Semiconductor Technology and Science vol. 24, no. 1, pp. 47 - 54
Keywords
Hardware artificial intelligencememory-based artificial intelligence chipmultiplicate-and-accumulate (MAC) operationpower efficiency
Publisher
Institute of Electronics Engineers of Korea
Indexed
SCIE; SCOPUS; KCI scopus
Document Type
Article
Abstract
Recently, existing software-based artificial intelligence technology is being implemented through hardware to improve area and energy efficiencies. Thus, there might be various performance indicators, but power efficiency is an important criterion for evaluating the performance of artificial intelligence chips. Currently, frequently used power efficiency indicators are for all-circuit-based artificial intelligence semiconductor chips, and for the cell-level technology-based artificial intelligence chips that can maximize power efficiency, it is difficult to use the existing indicators as they are. This study presents a practical indicator for evaluating power efficiency when implementing memory cell-based artificial intelligence semiconductor chips. Unlike conventional methodologies, the proposed performance indicators provide a clearer picture of power efficiency changes depending on what type of memory cell is used. Furthermore, the number of multiplicate-and-accumulate (MAC) operations and the number of memory cells cancel each other in the process of deriving the index, which can be a more significant indicator in the memory technology perspective in the sense that it has a greater dependence on the electrical characteristics of the memory cells themselves than on array density. © 2024, Institute of Electronics Engineers of Korea. All rights reserved.
DOI
10.5573/JSTS.2024.24.1.47
Appears in Collections:
공과대학 > 전자전기공학전공 > Journal papers
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