An Efficient Systolic Array with Variable Data Precision and Dimension Support

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Abstract

Systolic array (SA) architectures have been widely employed in deep learning accelerators with their high computation efficiency. However, the fixed SA structure leads to inefficiency in performance and power when computing variable input dimension and precision. To resolve this drawback, this work proposes a flexible systolic array architecture with variable data precision and dimension (PD-FSA) that can compute variable layers with less computing cycles. By calculating the minimum cycles required for input layers, the proposed architecture can avoid unnecessary computing cycles. We also propose to control the precision according to the layer dimension for reduced computing cycles. The experimental result shows that the proposed PD-FSA achieves up to about 2.9× reduction in the computing cycles.

Original languageEnglish
Title of host publicationProceedings - International SoC Design Conference 2022, ISOCC 2022
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages257-258
Number of pages2
ISBN (Electronic)9781665459716
DOIs
StatePublished - 2022
Event19th International System-on-Chip Design Conference, ISOCC 2022 - Gangneung-si, Korea, Republic of
Duration: 19 Oct 202222 Oct 2022

Publication series

NameProceedings - International SoC Design Conference 2022, ISOCC 2022

Conference

Conference19th International System-on-Chip Design Conference, ISOCC 2022
Country/TerritoryKorea, Republic of
CityGangneung-si
Period19/10/2222/10/22

Keywords

  • CNN
  • Deep Learning
  • Hardware Accelerator
  • Systolic array

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