Title
Cache-Aware SPM Allocation to Reduce Worst-Case Execution Time for Hybrid SPM-Caches.
Abstract
Scratch-Pad Memories (SPMs) have been increasingly used in real-time and embedded systems. However, it is still unknown and challenging to reduce the worst-case execution time (WCET) for hybrid SPM-cache architecture, where an SPM and a cache memory are placed on-chip in parallel to cooperatively improve performance and/or energy efficiency. In this paper, we study four SPM allocation strategies to reduce the WCET for hybrid SPM-caches with diffierent complexities. These algorithms differ by whether or not they can cooperate with the cache or be aware of the WCET. Our evaluation shows that the cache-aware and WCET-oriented SPM allocation can minimize the WCET for real-time benchmarks with little or even positive impact on the average-case execution time (ACET).
Year
DOI
Venue
2018
10.1142/S0218126618500809
JOURNAL OF CIRCUITS SYSTEMS AND COMPUTERS
Keywords
Field
DocType
SPM,cache memories,WCET,real-time systems
Architecture,Worst-case execution time,Cache,Computer science,CPU cache,Efficient energy use,Parallel computing,Execution time,Embedded system
Journal
Volume
Issue
ISSN
27
5
0218-1266
Citations 
PageRank 
References 
3
0.45
24
Authors
2
Name
Order
Citations
PageRank
Lan Wu1156.07
Wei Zhang228735.43