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An Efficient Scheduling of AUTOSAR Runnables to Minimize Communication Cost in 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 Seventh International Symposium on Telecommunications

Publisher:

IEEE

Abstract

The AUTOSAR consortium has developed as the worldwide standard for automotive embedded software systems. From a processor perspective, AUTOSAR was originally developed for single-core processor platforms. Recent trends have raised the desire for using multi-core processors to run AUTOSAR software. However, there are several challenges in reaching a highly efficient and predictable design of AUTOSARbased embedded software on multi-core processors. In this paper a solution framework comprising both the mapping of runnables onto a set of tasks and the scheduling of the generated task set on a multi-core processor is suggested. The goal of the work presented in this paper is to minimize the overall interrunnable communication cost besides meeting all corresponding timing and precedence constraints. The proposed solution framework is evaluated and compared with an exhaustive method to demonstrate the convergence to an optimal solution. Since the exhaustive method is not applicable for large size instances of the problem, the proposed framework is also compared with a wellknown meta-heuristic algorithm to substantiate the capability of the frameworks to scale up. The experimental results clearly demonstrate high efficiency of the solution in terms of both communication cost and average processor utilization.

Bibtex

@inproceedings{Faragardi3723,
author = {Hamid Reza Faragardi and Kristian Sandstr{\"o}m and Bj{\"o}rn Lisper and Thomas Nolte},
title = {An Efficient Scheduling of AUTOSAR Runnables to Minimize Communication Cost in Multi-core Systems},
month = {September},
year = {2014},
booktitle = {The Seventh International Symposium on Telecommunications },
publisher = {IEEE},
url = {http://www.es.mdu.se/publications/3723-}
}