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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Aguilar, M.A. Eusse, J.F. Leupers, R. Ascheid, G. Odendahl, M. |
| Copyright Year | 2015 |
| Description | Author affiliation: Silexica Software Solutions GmbH, Germany (Odendahl, M.) || Inst. for Commun. Technol. & Embedded Syst., RWTH Aachen Univ., Aachen, Germany (Aguilar, M.A.; Eusse, J.F.; Leupers, R.; Ascheid, G.) |
| Abstract | Many embedded applications such as multimedia, signal processing and wireless communications present a streaming processing behavior. In order to take full advantage of modern multi-and many-core embedded platforms, these applications have to be parallelized by describing them in a given parallel Model of Computation (MoC). One of the most prominent MoCs is Kahn Process Network (KPN) as it allows to express multiple forms of parallelism and it is suitable for efficient mapping and scheduling onto parallel embedded platforms. However, describing streaming applications manually in a KPN is a challenging task. Especially, since they spend most of their execution time in loops with unbounded number of iterations. These loops are in several cases implemented as while loops, which are difficult to analyze. In this paper, we present an approach to guide the derivation of KPNs from embedded streaming applications dominated by multiple types of while loops. We evaluate the applicability of our approach on an eight DSP core commercial embedded platform using realistic benchmarks. Results measured on the platform showed that we are able to speedup sequential benchmarks on average by a factor up to 4.3x and in the best case up to 7.7x. Additionally, to evaluate the effectiveness of our approach, we compared it against a state-of-the-art parallelization framework. |
| Starting Page | 1078 |
| Ending Page | 1085 |
| File Size | 894320 |
| Page Count | 8 |
| File Format | |
| e-ISBN | 9781479989379 |
| DOI | 10.1109/HPCC-CSS-ICESS.2015.158 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2015-08-24 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | DSP Runtime While Loops Computational modeling Switches Parallel processing Data mining MPSoCs Uplink Kahn Process Networks Long Term Evolution Parallelization |
| Content Type | Text |
| Resource Type | Article |
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