lt tDrtrcnr or Eleiro.ics, Td@6o!!iolio, & ttior.di.rl E.linerttrg
lt tDrtrcnr or Eleiro.ics, Td@6o!!iolio, & ttior.di.rl E.linerttrg
lt tDrtrcnr or Eleiro.ics, Td@6o!!iolio, & ttior.di.rl E.linerttrg
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curcs st<strong>or</strong>ed r<strong>or</strong> cach ncr (rhis rcduces rhe nreDr<strong>or</strong>y requndnents and speeds up the<br />
algo thm). ln the sfund $ep. a d.railed 6utc is choen f<strong>or</strong> cach !er; rh. deraitcd routc<br />
with Ihe le*e$ rcuios lesources sed by ddailed roures f<strong>or</strong> other n€ts is choscn. The<br />
<strong>or</strong>lcr.l$ hlcs i o acrounl nctsrh hrveo<strong>lt</strong>yonc tossibte dcmitql mu(c ard Dcts lhar<br />
c tnir! .riic<strong>rl</strong>- Alis chtusir8 a deraihd outc t<strong>or</strong> a ne( u<strong>lt</strong> ot rhe odE. ncls are<br />
np<strong>di</strong>lcd lo EnDve aDydetailed roncs thar $c ahy ot E Esourcsjusrd<strong>lt</strong>ocared,Il.il is<br />
impossiblc lo reuk any ners- fien mu<strong>lt</strong>iple iredlios vnh rip-up .nd ercur aG<br />
allcnFed Only nets usinS th€ congested channel segmeh$ are ripped-up a.d e{ouled.<br />
F<strong>or</strong> $c dpped-up n€ls, .ew dclailcd roulcs !!€ expanded nsing lcss aggrcssiv€ pruning<br />
i<strong>or</strong> c{h suce$ivc nearion.<br />
Tl1e cxpcinreirol dchneclue used f<strong>or</strong> rstiDB CCE was sinlilar to rhc Xihrx 4OOOX<br />
sries FPGA [21] All $e |Rck *8nenc werc singlc-lengh *gnsls with Fs-6 and<br />
Fc=o 6W. Conlpalisons Nec nade ro a h&c ouring alg<strong>or</strong>ithm. wh€re rhe @rc rouer<br />
sar rc*icted lo lsins rract *slnc$ wi$ir thc snrr 8lob<strong>rl</strong> routcs.s CCE. CCll uis<br />
ablc ro roure a set of bcnchmdk .ircuib in d averrgc <strong>or</strong> 15% lcs rack\ per chanoel<br />
ron'trkd n) rrf nr/r rr(c'<br />
2l.r S€ncnl Alloet<strong>or</strong> (SECA)<br />
The SEGA louling alg<strong>or</strong>iihm [22] is an exleNion ofrha CCE alg<strong>or</strong>ilhn to rarget fPCAs<br />
wnh egndted lolrins archnedues.<br />
The global outer u*d wilh SECA is almGt idcnlical lo lh.t u*d wilh CCe. On€<br />
inp{nanr enhanceneni is rhe ad<strong>di</strong>lio. of berd reducrion to penalire 3ny bends h rhe<br />
slob<strong>rl</strong> rcure a<strong>or</strong> a ner. Sirce the unde tinB rourinS mhitdlud @nlaiB enc l6ck
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