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Worst-Case Execution Times Analysis of MPEG-2 Decoding
Zitatschlüssel AB00
Autor Peter Altenbernd and Lars-Olof Burchard and Friedhelm Stappert
Buchtitel 12th Euromicro Conference on Real Time Systems, Stockholm, Sweden.
Jahr 2000
Zusammenfassung This work presents the first worst-case execution times (WCET) analysis of MPEG-decoding. Solutions for two scenarios (Video-on-Demand (VoD), live) are presented, serving as examples for a variety of real-world applications. A significant reduction of overestimations (down to 17\%, including overhead) during WCET analysis of the live scenario can be achieved by using our new two-phase decoder with built-in WCET analysis that can be universally applied. It is even possible to predict the exact execution times in the VoD scenario. This work is motivated by the fact that media streaming service providers are under great pressure to fulfil the quality-of-service promised to their customers, preferably in an efficient way.
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