MediaBench: a tool for evaluating and synthesizing multimedia and communicatons systems
MICRO 30 Proceedings of the 30th annual ACM/IEEE international symposium on Microarchitecture
FV encoding for low-power data I/O
ISLPED '01 Proceedings of the 2001 international symposium on Low power electronics and design
Custom Memory Management Methodology: Exploration of Memory Organisation for Embedded Multimedia System Design
NetBench: a benchmarking suite for network processors
Proceedings of the 2001 IEEE/ACM international conference on Computer-aided design
Power efficient encoding techniques for off-chip data buses
Proceedings of the 2003 international conference on Compilers, architecture and synthesis for embedded systems
MiBench: A free, commercially representative embedded benchmark suite
WWC '01 Proceedings of the Workload Characterization, 2001. WWC-4. 2001 IEEE International Workshop
Hierarchical value cache encoding for off-chip data bus
Proceedings of the 2006 international symposium on Low power electronics and design
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We propose VAriable Length Value Encoding (VALVE) technique to reduce the power consumption in the off-chip data buses. While past research has focused on encoding fixed length data values to reduce the transition activity in the data buses, our proposed scheme is capable of detecting and encoding variable length bit patterns in the data values. VALVE also does not require prior knowledge of input data and uses just one external control signal We evaluate our proposed scheme using a large spectrum of benchmarks and we achieve an energy reduction of 58% on an average and up to 75% on some benchmarks. We also analyze the performance penalty incurred due to the codec delay, which is found to be 0.45% of the total program execution time. We find that VALVE requires a minimal area of 0.0486 mm2, which can be easily implemented with in a memory controller.