Profiling and annotation combined method formultimedia application specificMPSoCperformance estimation

2015, Volume 16, Issue 2

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Frontiers of Information Technology & Electronic Engineering >> 2015, Volume 16, Issue 2 doi: 10.1631/FITEE.1400239

Profiling and annotation combined method formultimedia application specificMPSoCperformance estimation

1. Institute of VLSI Design, Zhejiang University, Hangzhou 310027, China.2. College of Optical and Electronic Technology, China Jiliang University, Hangzhou 310018, China.3. Microelectronics CAD Center, MOE Key Lab of RF Circuits and Systems,Hangzhou Dianzi University, Hangzhou 310018, China.4. Department of Informatics VI, Technical University Munich, Garching 85748, Germany

Available online: 2015-03-05

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Abstract

Accurate and fast performance estimation is necessary to drive design space exploration and thus support important design decisions. Current techniques are either time consuming or not accurate enough. In this paper, we solve these problems by presenting a hybrid method for multimedia multiprocessor system-on-chip (MPSoC) performance estimation. A general coverage analysis tool GNU gcov is employed to profile the execution statistics during the native simulation. To tackle the complexity and keep the analysis and simulation manageable, the orthogonalization of communication and computation parts is adopted. The estimation result of the computation part is annotated to a transaction accurate model for further analysis, by which a gradual refinement of MPSoC performance estimation is supported. The implementation and its experimental results prove the feasibility and efficiency of the proposed method.

Keywords

MPSoC ; Gradual refinement ; Native simulation ; Performance estimation ; Profiling ; Annotation ; Gcov

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