lt tDrtrcnr or Eleiro.ics, Td@6o!!iolio, & ttior.di.rl E.linerttrg

only th. ponions of$e cuftnr ouring r@ rhd .G ctosest ro rhc cumr rarg.r sint
nccd ro be pldd on th. prinirt qucuc. FiglE 3.3 ittushr6 r 3impL qompl. ofrh.
binning rehniquc. In dis dddc rh.G .rc four bini @h @ntaaninA oft qune. Df
rhe rolal r@t egmdr' A rer wirh iiout rlcc is b.ing ould, stul iso ofrie $e
sints have alre.d, ben Durcd, Wh.n burinS rhc 16r siok. instead ofpteing rhc
entnc ner on the priorny queuq 6nly $osc p.ns of $. n.t in bin 4 aE ph.€d on rh.
prioiry queue. thus rcducing rh. numbe.oiprioriryqucueop€rarions.
trtroool
ooo tr
o oootr
OIO O'O O O
Elo oro o cl
O O'O E O
figlF3r: EnoPl. olrh. bi.liIgref,liqm
For elaivcly lou fuour n.l5. binning d6 not evc mlny Fio.ny qtreue oFFlios-
HoN.vci vhen usd on very hilh flnoul ncls. binning sienifi€ntly reduces rh.
nunb€r of priorny queue opcmtiois. W. d.fine th. minimum binning fanolr (IVBF)
as lhe ninimum fircfl below wlric[ thd bi tring €nhanemcnl is .ol used, ]n
dcrcnnind dc besl MBF vrlN, ,c m0tcd d 0( h$ of bcnchmlrk circtrns, using
MBF5 Bnsine frcm I to |0,OOO. and avcorcd the rsulrs acrcs all ft. circtrns.
Fisurc 1.9 shows r pior ofrh. avcBSc low nrc$ compile rimc veuus difis$t valu.s
of MBF, aof lhe simple FPCA afthitsturc. Any n.ls wirh finoul eqlal io or gcdq
rhan (h. MBF wc rcuLd using binning. For a. MBF of l. binninB is r$d lor all rh.
rcri dd fie aveFge @mpile timc ir.boul 16 snds. Thc ardse @npiG timc
d.cEas to. minimM ofabour S snds. with !n MBF of4- The lvemg. onpil.
57