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Energy-Efficient Flash-Memory Storage Systems with an Interrupt-Emulation Mechanism

  • Chin-Hsien Wu
  • , Tei-Wei Kuo
  • , Chia-Lin Yang

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

Abstract

One of the emerging critical issues for flash-memory storage systems, especially on the implementations of many embedded systems, is on its programmed I/O nature for data transfers. Programmed-I/O-based data transfers might not only result in the wasting of valuable CPU cycles of microprocessors but also unnecessarily consume much more energy from batteries. This paper presents an interrupt-emulation mechanism for flash-memory storage systems with an energy-efficient management strategy. We propose to revise the waiting function in the Memory-Technology-Device (MTD) layer to relieve the microprocessor from busy waiting and to reduce the energy consumption of the system. We show that energy consumption could be significantly reduced with good saving on CPU cycles and minor delay on the average response time in the experiments.
Original languageEnglish
Title of host publicationCODES+ISSS 2004 - International Conference on Hardware/Software Codesign and System Synthesis
Pages134-139
DOIs
Publication statusPublished - Sept 2004
Externally publishedYes
Event2nd IEEE/ACM/IFIP International Conference on Hardware/Software Codesign and System Synthesis (CODES+ISSS 2004) - Stockholm, Sweden
Duration: 8 Sept 200410 Sept 2004

Publication series

NameIEEE/ACM/IFIP International Conference on Hardware/Software Codesign and Systems Synthesis, CODES+ISSS

Conference

Conference2nd IEEE/ACM/IFIP International Conference on Hardware/Software Codesign and System Synthesis (CODES+ISSS 2004)
Abbreviated titleCODES+ISSS'04
PlaceSweden
CityStockholm
Period8/09/0410/09/04

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Research Keywords

  • Embedded Systems
  • Energy-Efficient
  • Flash Memory
  • Interrupt-Emulation I/O
  • Programmed I/O
  • Storage Systems

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