Approximate VCCs: a new characterization of multimedia workloads for system-level MpSoC design
Proceedings of the 42nd annual Design Automation Conference
Power-aware bandwidth and stereo-image scalable audio decoding
Proceedings of the 13th annual ACM international conference on Multimedia
Performance guarantees by simulation of process
SCOPES '05 Proceedings of the 2005 workshop on Software and compilers for embedded systems
Efficient computation of buffer capacities for multi-rate real-time systems with back-pressure
CODES+ISSS '06 Proceedings of the 4th international conference on Hardware/software codesign and system synthesis
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We present a analytical framework to identify the tradeoffs and performance impacts associated with different SoC platform configurations in the specific context of implementing multimedia applications. "Configurations" in this case might include sizes of different on-chip buffers and scheduling mechanisms (or associated parameters) implemented on the different processing elements of the platform. Identifying such tradeoffs is difficult because of the bursty nature of on-chip traffic arising out of multimedia processing and the high variability in their execution requirements, which result in a highly irregular design space. We show that this irregularity in the design space can be precisely captured using an abstraction called variability characterization curves.