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[학술저널]

  • 학술저널

Hyeonseok Jung(Ajou University) Hoeseok Yang(Ajou University)

UCI(KEPA) : I410-ECN-0101-2017-569-001123756

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초록

As more mobile devices are equipped with multi-core CPUs and are required to execute many compute-intensive multimedia applications, it is important to optimize the systems, considering the underlying parallel hardware architecture. In this paper, we implement and optimize ray-tracing application tailored to a given mobile computing platform with multiple heterogeneous processing elements. In this paper, a lightweight ray-tracing application is specified and implemented in Kahn process network (KPN) model-of-computation, which is known to be suitable for the description of real-time applications. We take an open-source C/C++ implementation of ray-tracing and adapt it to KPN description in the Distributed Application Layer framework. Then, several possible configurations are evaluated in the target mobile computing platform (Exynos 5422), where eight heterogeneous ARM cores are integrated. We derive the optimal degree of parallelism and a suitable distribution of the replicated tasks tailored to the target architecture.

목차

Abstract
1. Introduction
2. Preliminaries
3. Process Network Specification
4. Evaluations
5. Conclusion
References

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