Publicações do PESC ADSM: A Hydrid DSM Protocol that Efficiently Adapts to Sharing Patterns
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(13). M:bJ'7W.a8W3y#(0"'bB-3F"'M]\0,)[#W3y(0"'"'M)EHB))WG*$$$3M-)$Ik1 *$$EVI"',2"'F$SWG()3M0IC*WGS"'12*$/. F1 B2k,)IJ')Wa 18M-E3Z\,0"%W, g#F)$ ,)1 *$$EVk,)IJ%$SB))WG*$$S,-`#W3y(0"'* ,)IJ')WaQ ¡,)PJ')Wa"%$]M)PZCUZ"KJ%&0J'\0,)`#W3y(0"'I*y#()*${"f$Py#()3()*<J%3x$63C"%WGQ +,)3MH,)PJ')Wa"f$PZCZ"KJf&0Jo\ ,)bJ%$VGJ'*$33B0JK"'*$bH,) W3y#(0"'3bI"',!<J'7W.aOGJ'*$ 1 *$$E WG#M>FU"oM0"'M)E8UJjJ ,)k"'kM)6"fWG*$ ,)<J%3kB).7WG*$$6k,-$bM)k43 $633M]QH¡XM^)#"'"'M]\ ,)HGJ'*$3H$3M-)$ ZJKJx,)O9}$}"oM)EJo3/V"'33@YB-E*$ 12)#"K~-*^()M-03<,)HJ'7W.a^$L"'M-WG8.,)8W3y#(0"o.3 ,-$<$33M^,)31!\{"'3/B)#*WG"'M)E!,)HB-E#*$ Z3F)$dQ +,0"KJo:.,) W3y#(0"'3H"%$<Z"'"'M)E!H,)OGJ'*$O12*$$E\{"o2$GF$"'3/B).*WG"'M)EUJjJY$,-*^B-E*$ ,-0OM)I,-ZCkI"'M-$WG**_()M-03Y.,0"f$`Jo)W.aQ u.
(14) +,)3M<"'M-WGBqF"'M)Ek,)S"'IM)"%WG*$3\#,)`#W3y(0"'3PM0J'4<"'M>CZJK"%)*$P.,)`B-E*$]"o.,T1 7#"K~W3"'M-$. $$67W."%*O.T.,)J')WaO&-G"'M)E:W3y(0"'*QS=!)#"K~W3"'M-$b$$)W."%*OI"',O,)3SJ')Wa)$II"KJKJ"'M0CUZJK"%)<,) B-E*$M0J'4nk,) M)Gm72W3y#(0"'2B-"oM0H,)8WG.*$B-#M-#"oM)EcJ')Wa9L TO&-"'3HB-3F"'M@FQ8R,0"f$ $G3E4D*C#"%)$V"oM0CUUJj"%)6"o#M-$80()2.:XZJ%$8$,-6"oM)E^M-ZJKJoY$,)8W3y#(0"'3HO"'M>CZJK"%):,)2B-E*$ I"',c"' M)#"%WG*$*WGG"'C*D0()"'M)E:B)3C#"'(-$Jo)W.a!W3y(0"'HBq3F"'M-$,0"KJo"oV"%$Z"'"'M)E g#,)bJ'7W.a GJ'*$ 9XI&-6"o3k03B-.()@x12*$$.EQ Processor p request. ACQUIRE send request to manager invalidate pages with WN for this lock write protect all pages except the ones with twins created under this lock if the page is single writer then. forward the request to the last acquirer. update the pages For each WN received if WN->lid == LOCK invalidate page. request the latest version else request diffs. request reply. READ FAULT possibly change page state associate the page with the lock if page is MW then create twin. "'E() 0 kWG"'M-$¡XM0CJ'C*"oM { M)"%WGQ. .0/. . Lock Manager. Last Aquirer. WRITE FAULT. When lock is available send reply with WNs and updates for SW pages associated with lock write-protect these pages. . RELEASE. 7W.a B-3F"'M-$ M--(0J'F$¡XM-$L"%0csx"'"%W3ZJY*WG6"o#M-$3Q N "'. 6 6 925 6
(15). RI,)WG"'M-${Fa#3MT0()"'M)E &-"'3$64>M-W.,)M0"'*"'M"oMHk;<>= ZJ'120$Gm-WGJ'4<,)`$12`$"'M8R{*0/ =Da)$3\{"XQvQZJKJB).7WG*$$6F$H:18#0 Z2ZJKJ12)#"K~W3"'M-$ 180O&>4l,)3HB))WG*$$G$3Qn=c $Bq*W."j~W3UJjJ'4\P()BqMD&-"'3 ."'CUZJX\*W.,!B))WG*$$# $3M-)$k2&-"'3 "'CZJ1 *$$E<:2&-."'3k18M)/ E3ZQRI,0"%$b12*$$E# WGM>GZ"'M-$b,) B))WG*$$#*$IC*WG.Y6"o1 *$F12B]\"'M>.3CUZJ%$3\]M-!ZJKJ Jo)W3ZJKJ'4>/E#3M)3F* "' M)"%WG*$<,-k,)21OM-E3k,-$M)T$633M]Q8V3 $3M-#"'M)ED,)86"oCZJ`1 *$$E :,)218M-E3*\ ,):B))WG*$$#T1H(-$<"'M0CUZJK"%)DZJKJYB-E*$H,0"%W,l"'2,-$()M>(-$*lV"':M)"%WG*$3\ "XQvQl6"o.8M)6"fWG*$ WG.*$B-M-#"'M)EOHJ')Wa)$I,)<B)7WG*$.$Y#"%:M)#YW3y#(0"o.T$L"'M-WG .*WGG"oC#"'M)E:,)kM)"%WG*$3Q V3 WGJKJ'*WG"'M)EUJjJ`"'CUZJI12*$$E*$3\,)H18M-E3k123E*$kUJjJI,)<"'M0g.18"'M^.*WGG"oC#*c"'M>_"'F$ J'7W3UJ{)F $.(-WG()*$SM-2.,)3M8$3M-)$S *#W,O,)3SB)7WG*$.$ZJKJ-"'M03CUUJf$VM-H"'bM)"%WG*$S,-S,) B))WG*$$I,-$M)I43$33M]QPVg3I*WGG"'C#"'M)E8,)k03B-.()k12*$$E\0*W,OB))WG*$$S"'M-WGBqF.*$I,) .
(16) "'kM)#"%WG*$YWGM0FZ"'M)* "oM_"'*\0"'M>CZJK"%)"'M)E:,)TWG#*$BqM-#"'M)E8B-E#*$3Q Processor p. . . .. Barrier Manager wait for all arrival msgs for each processor determine list of WNs send list of WNs. WNs. {"oE#() ¢. .0/. . . 5
(17)
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