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Communication Dans Un Congrès Année : 2013

Stochastic Modeling and Performance Analysis of Multimedia SoCs

Résumé

Quality of video and audio output is a design-time constraint for portable multimedia devices. Unfortunately, there is a huge cost (e.g. buffer size) incurred to deterministically guarantee good playout quality; the worst-case workload and the timing behavior can be significantly larger than the average-case due to high variability in a multimedia system. In future mobile devices, the playout buffer size is expected to increase, so, buffer dimensioning will remain as an important problem in system design. We propose a probabilistic analytical framework that enables low-cost system design and provides bounds for playing acceptable multimedia quality. We compare our approach with a framework comprising both simulation and statistical model checking, built to simulate large embedded systems in detail. Our results show significant reduction in output buffer size compared to deterministic frameworks.
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Dates et versions

hal-00878094 , version 1 (29-10-2013)

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Balaji Raman, Ayoub Nouri, Deepak Gangadharan, Marius Bozga, Ananda Basu, et al.. Stochastic Modeling and Performance Analysis of Multimedia SoCs. SAMOS XIII - Embedded Computer Systems: Architectures, Modeling, and Simulation, Jul 2013, Agios konstantinos, Samos Island, Greece. pp.145-154, ⟨10.1109/SAMOS.2013.6621117⟩. ⟨hal-00878094⟩
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