Title :
Exploring Functional Unit Design Space of VLIW Processors for Optimizing Both Performance and Energy Consumption
Author :
Pillai, Abhishek ; Zhang, Wei ; Yang, Laurence T.
Author_Institution :
Dept. of Electr. & Comput. Eng., Southern Illinois Univ. Carbondale, Carbondale, IL
Abstract :
The number of functional units can have significant impact on both the performance and energy consumption of VLIW processors. This paper uses a design exploration approach to find optimal integer functional unit configurations for achieving the best EDP (energy delay product) results for different media applications. Our experimental results quantitatively indicate that the optimal number of integer functional units should match the instruction level parallelism that can be extracted from the applications to balance both performance and energy optimally for VLIW processors.
Keywords :
instruction sets; multiprocessing systems; parallel architectures; VLIW processors; design exploration; energy consumption; energy delay product; functional unit design space; instruction level parallelism; integer functional unit configurations; Delay; Design engineering; Design optimization; Energy consumption; Energy dissipation; Energy efficiency; Hardware; Power dissipation; Space exploration; VLIW;
Conference_Titel :
Advanced Information Networking and Applications Workshops, 2007, AINAW '07. 21st International Conference on
Conference_Location :
Niagara Falls, Ont.
Print_ISBN :
978-0-7695-2847-2
DOI :
10.1109/AINAW.2007.179
