Non-Intrusive NoC DFS for Soft Real-Time Multimedia Applications

被引：1

作者：

Grammatikakis, Miltos D. ^{[1
]}

Papagrigoriou, Antonis ^{[1
]}

Petrakis, Polydoros ^{[1
]}

Kornaros, George ^{[1
]}

机构：

[1] Technol Educ Inst Crete, Iraklion, Greece

来源：

16TH EUROMICRO CONFERENCE ON DIGITAL SYSTEM DESIGN (DSD 2013) | 2013年

关键词：

dynamic power management; frequency scaling; multimedia; NoC; real-time; shared memory;

D O I：

10.1109/DSD.2013.140

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

Multimedia applications executing on NoC-based multicore architectures demand high performance and power-efficiency. We propose a low-cost NoC DPM controller that performs dynamic frequency scaling on each NoC router by activating shared memory-based monitoring probes at different parallel application slices or using an independent sample rate. We evaluate our DFS module by running an MPEG4 transfer speed test on a cycle-accurate, monitoring-aware SystemC virtual platform of a NoC-based MPSoC. The DFS module improves power-performance characteristics over existing techniques, and has minimal intrusion, significantly less than 0.01% of the total execution time.

引用

页码：60 / 63

页数：4

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