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A Communication-Aware Solution Framework for Mapping AUTOSAR Runnables on Multi-core Systems

Fulltext:


Authors:

Hamid Reza Faragardi, Kristian Sandström, Björn Lisper, Thomas Nolte

Research groups:

Programming Languages
Complex Real-Time Embedded Systems

Publication Type:

Conference/Workshop Paper

Venue:

The 19th IEEE International Conference on Emerging Technologies and Factory Automation

Abstract

An AUTOSAR-based software application contains a set of software components, each of which encapsulates a set of runnable entities. In fact, the mission of the system is fulfilled as result of the collaboration between the runnables. Several trends have recently emerged to utilize multi-core technology to run AUTOSAR-based software. Not only the overhead of communication between the runnables is one of the major performance bottlenecks in multi-core processors but it is also the main source of unpredictability in the system. Appropriate mapping of the runnables onto a set of tasks (called mapping process) along with proper allocation of the tasks to processing cores (called task allocation process) can significantly reduce the communication overhead. In this paper, three solutions are suggested, each of which comprises both the mapping and the allocation processes. The goal is to maximize key performance aspects by reducing the overall inter-runnable communication time besides satisfying given timing and precedence constraints. A large number of randomly generated experiments are carried out to demonstrate the efficiency of the proposed solutions.

Bibtex

@inproceedings{Faragardi3722,
author = {Hamid Reza Faragardi and Kristian Sandstr{\"o}m and Bj{\"o}rn Lisper and Thomas Nolte},
title = {A Communication-Aware Solution Framework for Mapping AUTOSAR Runnables on Multi-core Systems},
month = {September},
year = {2014},
booktitle = {The 19th IEEE International Conference on Emerging Technologies and Factory Automation},
url = {http://www.es.mdu.se/publications/3722-}
}