Temperature-aware data allocation for embedded systems with cache and scratchpad memory

Zhiping Jia, Yang Li, Yi Wang, Meng Wang, Zili Shao

Research output: Journal article publicationJournal articleAcademic researchpeer-review

3 Citations (Scopus)

Abstract

The hybrid memory architecture that contains both on-chip cache and scratchpad memory (SPM) has been widely used in embedded systems. In this article, we explore this hybrid memory architecture by jointly optimizing time performance and temperature for embedded systems with loops. Our basic idea is to adaptively adjust the workload distribution between cache and SPM based on the current temperature. For a problem in which the workload can be estimated a priori, we present a nonlinear programming formulation to optimally minimize the total execution time of a loop under the constraints of SPM size and temperature. To solve a problem in which the workload is not known a priori, we propose a temperature-aware adaptive loop scheduling algorithm called TALS to dynamically allocate data to cache and SPM at runtime. The experimental results show that our algorithms can effectively achieve both performance and temperature optimization for embedded systems with cache and SPM.
Original languageEnglish
Article number30
JournalACM Transactions on Embedded Computing Systems
Volume14
Issue number2
DOIs
Publication statusPublished - 1 May 2015

Keywords

  • Algorithms
  • Design
  • Performance

ASJC Scopus subject areas

  • Software
  • Hardware and Architecture

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