Ч?溯????????????????
???????????? ???????[ 2013/3/8 10:54:16 ] ????????
????3??????Ч?溯????????????
????????????????????????????????????????????????????????????????е???????????????????????????????????????С?????????????????????????????????????????????????????????е????????????????????????У?????????????????????????????????μ?Ч?????????2??????д?????????????????????ж??????????????£??????????????ж?????д???????????δ?????????????????ò????????????????
???????????????е??????????????????????????????μ???????????????????????
????3.1 ????????Ч?溯??
??????????????????????????????о?????????min-min?????????????Ч?溯????????Ч???????????????е???????????????е?Ч??????????????????????????????Ч?溯????
????3.1.1 ????Ч?溯??
????time_utilityhard(m??n)=ì
????(1)
??????Ч?溯??????????
???????????????Tm???????????????漲?????????????????????????κ?Ч?棬?????????????????Ч????1??
???????У?TCm??n????????????Tm????????????Rn????????????TDm????????????Tm?????е????
????3.1.2 ?????Ч?溯??
????time_utilitysoft(m??n)=ì
????(2)
??????Ч?溯??????????
???????????????Tm???????????????漲??????????????????????????漲???????????Ч??????????????????м???????????????????0?????????????????????????漲????????????????Ч????1??
???????к????е?TCm??n????????????Tm????????????Rn????????????TDm????????????Tm??????????λc???????????????λc>0??
????3.1.3 ??????Ч?溯??
????time_utilitybest_effort(m??n)=e-λb*TCm??n
????(3)
??????Ч?溯??????????
???????????????Tm???????????????????????????????????????????????????Ч?棬????????????????????????????????????????????????????????????????Ч?檔
???????е?TCm??n????????????Tm????????????Rn????????????λb???????????????????λb>λc??λc???????Ч?溯???е????????
??????
???·???
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