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1999
IEEE

FSMD Functional Partitioning for Low Power

10 years 10 months ago
FSMD Functional Partitioning for Low Power
Previous work has shown that sizable power reductions can be achieved by shutting down a system's sub-circuits when they are not needed. However, these shutdown techniques focus on shutting down only portions of the controller or the datapath of a single custom hardware processor. We propose a higher level shutdown technique that considers both the controller and datapath simultaneously; in particular, we partition a processor into multiple simpler mutually-exclusive communicating processors, and then shut down the inactive processors (i.e., the inactive controller/datapath pairs). Power reduction is accomplished because only one smaller processor is active at a time. In addition to power reduction, functional partitioning also provides solutions to a variety of synthesis problems and does not require the modification of the synthesis tool. We present results showing that this FSMD functional partitioning technique can reduce power, on average, 42% over unoptimized systems.
Enoch Hwang, Frank Vahid, Yu-Chin Hsu
Added 03 Aug 2010
Updated 03 Aug 2010
Type Conference
Year 1999
Where DATE
Authors Enoch Hwang, Frank Vahid, Yu-Chin Hsu
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