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双电压动态可重构FPGA任务模型及调度算法-CSEBuffalo
44 2 浙 江 大 学 学 报() Vol. 44 No. 2
2010 2 Journal of Zhejiang University ( Engineering Science) eb. 2010
DOI: 10. 3785/j.issn. 1008-973X.2010. 02.016
FPGA
徐科君, 许文曜, 沈继忠, 徐新民
( , 310027)
: ( PGA) ,
PGA . PGA ,
.,
,
.Sun Saloris , ,
, PGA , , 24. 1% .
: ; ; ;
: T N 432 : A : 1008-973X( 2010) 02-300-05
Task scheduling model and algorithm based on dua-l Vdd dynamic
reconfigurable FPGA
XU Ke-jun, XU Wen-yao, SH EN J-i zhong, XU Xin-min
(Institute of Electronic Circuit and Inf ormation System, Zhej iang Univ ersity , H angzhou 310027, China)
Abstract: A non-preemptive task model based on dual-supply voltage (Vdd) dynamic reconfigurable field
programmable gate array ( PGA) was established by analyzing single voltage reconfigurable PGA. The
model described how the tasks excused in dua-l Vdd dynamic reconfigurable PGA and added special attrib-
utes of dual-Vdd task model based on single voltage task model. A novel scheduling strategy was proposed
based on the first-fit-decreasing algorithm. The strategy can guarantee the execution deadline of the task
set and greatly reduce the execution energy using dynamic adjustment of dua-l Vdd. The experiment simu-
lated on Sun Saloris show s that the strategy can achieve the great energy saving, which is up to 24. 1% of
large task set.
Key words: dua-l supply voltage field programmable gate array ( PGA) ; partially dynamic reconfiguration;
hardware task scheduling; first-fit-decreasing algorithm
, ( field ,
programmable gate array, PGA) . PGA
[ 2]
, , Spartan Virtex . PGA
[ 1]
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