Title :
ALU-array based reconfigurable accelerator for energy efficient executions
Author :
Inoue, Koji ; Noori, Hamid ; Mehdipour, Farhad ; Hanada, Takaaki ; Murakami, Kazuaki
Author_Institution :
Dept. of Adv. Inf. Technol., Kyushu Univ., Fukuoka, Japan
Abstract :
This paper introduces an energy efficient acceleration technique for embedded microprocessors. By means of supporting an ALU-array based coarse-grain reconfigurable functional unit, well customized special instructions are identified and executed for each application program. Since the reconfigurable functional unit can execute several dependent instructions (a sequence of instructions), simultaneously, the performance of the base microprocessor can dramatically be improved. In addition, this kind of direct execution is very energy efficient because it reduces activation counts of hardware components such as instruction cache, branch predictor, register-file accesses, and so on.
Keywords :
acceleration; digital arithmetic; embedded systems; microprocessor chips; ALU-array based reconfigurable accelerator; arithmetic logic unit array; base microprocessor; branch predictor; coarse-grain reconfigurable functional unit; embedded microprocessors; energy efficient acceleration technique; instruction cache; register-file access; Acceleration; Clocks; Counting circuits; Embedded system; Energy efficiency; Hardware; Information technology; Microarchitecture; Microprocessors; Registers; acceleration; energy-efficient execution; reconfigurable computing;
Conference_Titel :
SoC Design Conference (ISOCC), 2009 International
Conference_Location :
Busan
Print_ISBN :
978-1-4244-5034-3
Electronic_ISBN :
978-1-4244-5035-0
DOI :
10.1109/SOCDC.2009.5423898
