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Tighter Time Analysis for Real-Time Traffic in On-Chip Networks with Shared Priorities

Publication Type:

Conference/Workshop Paper

Venue:

10th IEEE/ACM International Symposium on Networks-on-Chip


Abstract

The Network-on-Chip (NoC) is the preferred inter- connection medium for massively parallel platforms. Targeting real-time applications, fixed-priority based NoCs with virtual- channels have been proposed as a promising solution. In order to verify if specific time requirements can be satisfied, scheduability tests are typically used. Several analysis approaches have been proposed targeting priority-based NoCs. However, due to the approximation considered in the analyses, the results may involve a large amount of pessimism. The applicability of the analyses is thus limited in practice. In this paper, we identify a number of properties of NoCs with shared priorities. An improved time analysis is proposed where pessimism can be significantly reduced for many cases. In order to evaluate the proposed analysis, a number of experiments have been generated along with a case study based on an automotive application. The improvement can be clearly observed from the evaluation results.

Bibtex

@inproceedings{Liu4338,
author = {Meng Liu and Matthias Becker and Moris Behnam and Thomas Nolte},
title = {Tighter Time Analysis for Real-Time Traffic in On-Chip Networks with Shared Priorities},
month = {August},
year = {2016},
booktitle = {10th IEEE/ACM International Symposium on Networks-on-Chip },
url = {http://www.es.mdh.se/publications/4338-}
}