41
8/11/2019 darksilicon-BigData.pdf http://slidepdf.com/reader/full/darksilicon-bigdatapdf 1/41 © 2012 Babak Falsafi !"#$%&'( *"' +,--./0 1,2,3 4.25 1,67 8.9.:"'  "#$#% &#'(#) *+,-./0,1 2.03'045 -.0.'0456.7

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Page 1: darksilicon-BigData.pdf

8/11/2019 darksilicon-BigData.pdf

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© 2012 Babak Falsafi

!"#$%&'(*"' +,--./0 1,2,3

4.25 1,67 8.9.:"' 

"#$#% &#'(#)

*+,-./0,1 2.03'045-.0.'0456.7

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© 2012 Babak Falsafi

DEF G= 2H?0=-=C#' @,0:/7

&04, 5-.#5-( 09 5+<+/#' ?'#I0,> ?,0'+9-,#C0=

2H?0=-=C#' +=.,-#(- += 5-=(+/J K 5-.,-#(- += .0(/

D=/-' LMML1 NOPN

D=/-' Q-7#'->1 RMMO

OR1MMM 0?(;(-.0=5

NR1MMM1MMM1MMM 0?(;(-.0=5

Page 4: darksilicon-BigData.pdf

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G ",+-9 S+(/0,J 09 DE

•  &,0> (.+-=C). +=(/,4>-=/ /0 .0>>05+/J

• 

&,0> ?,054./ /0 (-,A+.-

NOPM(T

U3 2,#

30>>4=+.#C0= 2,#

V#+=9,#>-(NOWM( NOOM( E05#JX

30=(4>-, 2,#

Page 5: darksilicon-BigData.pdf

8/11/2019 darksilicon-BigData.pdf

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DEF E7- 30=(4>-, 2,#

U7-=0>-=#' .7#=<- 9,0> 5-.#5-( #<0F

•  D=(/#=/ .0==-.CA+/J

•  B70??+=< =0: 0='+=-

• 

*#+'J +=/-,#.C0= Y ZMM ?-0?'-

•  G4<>-=/-5 ,-#'+/J

•  B/,-#>+=< >0A+-(

• 

[66

DE +( #/ .0,- 09 -A-,J0=-\( '+9-]

Page 6: darksilicon-BigData.pdf

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37#=<- += DE\( ^#=5(.#?-

➜ 2>-,<-=.- 09 *#/#T3-=/,+. _=+A-,(- –  DE 90.4( 0= >#((+A- 5#/#

•  2=5 09 *-==#,5 B.#'+=< –  S+<7-, 5-=(+/J! 7+<7-, -=-,<J

• 

*#/#T3-=/,+. _=+A-,(- >--/( 2=-,<J `#''

`7#/ #,- 5-(+<= +>?'+.#C0=(a

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8/11/2019 darksilicon-BigData.pdf

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84, *#/#T3-=/,+. _=+A-,(-F

*#/# @,0:+=< 9#(/-, /7#= E-.7=0'0<J

•  N6W b$J/-( += RMNN

•  30>>-,.- -=C,-'J

5#/#T5,+A-=

•  B.+-=.- 7#=5'+=<

>#((+A- 5#/#

•  30>?#=+-(

(?-=5+=< ccc /0

.0''-./;#=#'Jd- 5#/#

•  U-,(0=#'+d-5

.0>?4C=<M

RMM

LMM

eMM

WMM

NMMM

NRMM

C0:5'"9"(? D6"425

*+""60E- 9,43

NOOW RMMM RMMR RMML RMMe RMMW RMNM RMNR

C"$ C0' 1,2,

F,605"%-0 -.G0

C06,<?20- *H IJIK <?20-3 "@ 1,2,

`+=/-,30,? B4,A-J1 :::6:+=/-,.0,?6.0>

Page 8: darksilicon-BigData.pdf

8/11/2019 darksilicon-BigData.pdf

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•  2,# 09 f%=0:'-5<- -.0=0>Jg

•  hMi 09 -.0=0>+. A#'4- += 5-A-'0?-5 .04=/,+-(

•  *0>+=#=/ (4??'JT.7#+= .0>?0=-=/ 09 ?,054./(;(-,A+.-(

Page 9: darksilicon-BigData.pdf

8/11/2019 darksilicon-BigData.pdf

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*#/#T3-=/,+. B.+-=.-F

fE7- &04,/7 U#,#5+<>g

V+=+=< 5#/# 9,0>F

•  G,.7+A-(

•  S4>#=(

•  B-=(0,(;+=(/,4>-=/(

• 

B+>4'#C0=(

_=+9J+=< /7-0,J1 -H?-,+>-=/#C0=1 (+>4'#C0=1#=#'JC.( 0= >#((+A- 5#/#

Page 10: darksilicon-BigData.pdf

8/11/2019 darksilicon-BigData.pdf

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*#/# 30>-( += j#,+04( &'#A0,(

8,2099.20

!"##06:0

>0,925

80,6:5

L.@0

8.#%9,&"'

M'2062,.'#0'2

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D/\( #'' #$04/ G..-((+=< *#/#]

Data Centers 

!9"%; !"#$%&'(

G .0>?4C=< ?#,#5+<> (7+k /0 -=#$'- 4$+l4+/04( .0==-.CA+/J

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>"4 2" ;0-.(' @"6 #,--./0 ;,2,

?

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© 2012 Babak Falsafi

37#=<- += DE\( ^#=5(.#?-

•  2>-,<-=.- 09 *+<+/#' _=+A-,(- –  DE 90.4( 0= >#((+A- 5#/#

➜ 2=5 09 f&,-- 2=-,<Jg –  S+<7-, 5-=(+/J! 7+<7-, -=-,<J

• 

*#/#T.-=/,+. _=+A-,(- >--/( 2=-,<J `#''

`7#/ #,- 5-(+<= +>?'+.#C0=(a

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© 2012 Babak Falsafi

DE 2=-,<J +( B700C=< _?]

DE ,+5+=< 0= /-.7=0'0<J /7#/:#( -=-,<JT9,+-=5'J

• 

2H?0=-=C#''J $-m-,

?-,90,>#=.-1 5-=(+/J

•  30=(/#=/ ?0:-, -=A-'0?-

"4/1 -=-,<J +( (700C=< 4?]

S04(-70'5 2=-,<J += /7- _n

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© 2012 Babak Falsafi

S04(-70'5 2=-,<J += /7- _no_n "2pp1 RMMWq 

3-'' ?70=-(1

^#?/0?(

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© 2012 Babak Falsafi

*#/# .-=/-, 2=-,<J += /7- _Bo-H/,#?0'#/-5 9,0> 2=-,<J B/#,1 RMMPq 

•  2H?0=-=C#' .0(/( +9 =0/ >+C<#/-5

• E05#J1 .#,$0= 900/?,+=/ 09 #+,'+=- +=54(/,J

   N   .    9    9   .   "   '   O   .    9   "   4   ,   P    5   "   %   6    Q   ?   0   ,   6

RMMN RMMh RMMO RMNZ RMNP

   !   "   -   2   .   '   N

   .    9    9   .   "   '    R

M

hM

NMM

NhM

RMM

RhM

ZMM

ZhM

LMM

`+/7 NRi #==4#' +=.,-#(-

+= 2'-./,+.+/J 30(/

RMMN RMMh RMMO RMNZ RMNP

M

RMM

LMM

eMM

WMM

NMMM

NRMM

NLMM

2=-,<J B/#,r(

?,0s-.C0=(

U,0s-.C0=(:+/704/ A0'/#<-

,-54.C0=

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© 2012 Babak Falsafi

2=-,<J 30(/ t 3#?+/#' 30(/

•  B-,A-,( #,- <-u=< ,-'#CA-'J .7-#?-,

• 

U0:-, +( $-<+==+=< /0 50>+=#/- .0(/

v#>-( S#>+'/0=\( "'0<1

>A5+,0=#6.0>1 RMMW

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© 2012 Babak Falsafi

2=5 09 f&,--g 2=-,<J

"-90,- oNOPMtRMMMqF –  *-==#,5 (.#'+=<

 – 

_(-5 /0 >#%- /,#=(+(/0,( (>#''-,

 – 

B>#''-, /,#=(+(/0,( '-(( -'-./,+.+/J /0 0?-,#/-

Q0: oRMMLTqF –  30=C=4- /0 >#%- /,#=(+(/0,( (>#''-,

 –  "4/1 /7-J 4(- (+>+'#, -'-./,+.+/J /0 0?-,#/-

I 26,'-.-2"6 H IS 0'06(? K 26,'-.-2"6- H IS 0'06(? T 26,'-.-2"6- H IS 0'06(?

R J-#,( '#/-, R J-#,( '#/-,

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© 2012 Babak Falsafi

&04, 5-.#5-( 09 *-==#,5 B.#'+=<

• 

U H ! VK @•  D=.,-#(- += 5-A+.- .04=/

•  ^0:-, (4??'J A0'/#<-(

➜ 

30=(/#=/ ?0:-,;.7+?

*-==#,5 -/6 #'61 NOPL p0$-,/ S6 *-==#,51 ?+./4,- 9,0> ̀ +%+?-5+#

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© 2012 Babak Falsafi

^-#%#<- n+''-5 *-==#,5 B.#'+=<

^-#%#<-F

•  2H?0=-=C#' += +=A-,(- 09 j/7

• 

2H?0=-=C#' += /->?-,#/4,-•  ^+=-#, += 5-A+.- .04=/

E0 (:+/.7 :-''

• 

>4(/ %--? j55;j/7 Y Z 

➜ j55 .#=\/ <0 50:=

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© 2012 Babak Falsafi

2=5 09 *-==#,5 B.#'+=< oDEpBq

B4??'J A0'/#<-( <0+=< 50:= #/ >4.7 '0:-, ,#/-]RN

M

M6R

M6L

M6e

M6W

N

N6R

N6L

RMMN RMMh RMMO RMNZ RMNP RMRN

   U   "   4   0   6

   8   %   $   $    9   ?   V    ;    ;

E05#J

RMMN

RMMh

RMMW_

RMMOB'0?-wT6MRe

B'0?-wT6MhZ

V+%- &-,5>#=1 9,0> DEpB ?#<-(1 v4'J RMNN

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*#,% B+'+.0=F 2=5 09 V4'C.0,- B.#'+=<

3#= =0/ ?0:-, 4? .7+?90, 94''J ?#,#''-' B`

U#,#''-'+(> 7#( '+>+/(-A-= += B-,A-,(]

V4(/F•  (?-.+#'+d-

•  (-'-.CA-'J ?0:-, 4?

1

2

4

8

16

32

64

128

256

512

1024

2004 2007 2010 2013 2016 2019

   N  u  m   b  e  r  o

   f   C  o  r  e  s

 Year of Technology Introduction

Max EMB Cores

EMB + 3D mem

GPP + 3D mem

1,67

8.9.:"'

S#,5#A-''#( -/6 #'61 fE0:#,5 *#,% B+'+.0=

+= B-,A-,(g1 D222 V+.,01 RMNN

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© 2012 Babak Falsafi

V#((+A- *#/# >--/( 2=-,<J `#''

?D/\( C>- 90, 24,0?- /0 '-#5 /7- :#JF

•  2H+(C=< D=54(/,+#' 2.0(J(/-> o-6<61 GpV1 BE1 BGUq

• ^0=< '-#5-,(7+? += -=-,<JT-x.+-=/ 5-(+<=

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© 2012 Babak Falsafi

37#=<- += DE\( ^#=5(.#?-

•  2>-,<-=.- 09 *#/#T3-=/,+. _=+A-,(- –  DE 90.4( 0= >#((+A- 5#/#

•  2=5 09 f&,-- 2=-,<Jg –  S+<7-, 5-=(+/J! 7+<7-, -=-,<J

➜ 

*#/#T3-=/,+. _=+A-,(- >--/( 2=-,<J `#''

`7#/ #,- 5-(+<= +>?'+.#C0=(a

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© 2012 Babak Falsafi

`7#/ #,- /7- 5-(+<= D>?'+.#C0=(a

B70,/ /-,>F

•  V4'C.0,- (.#'+=< o?#,#''-'+(>q

•  ^0:-, -=-,<J X 7+<7-, 5#/# .0==-.CA+/J

^0=< /-,>F

•  *#,% B+'+.0=

• 

U,0$#$+'+(C. .0>?4C=<

•  S0'+(C. D=/-<,#C0=

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© 2012 Babak Falsafi

2H#>?'- B70,/TE-,> B0'4C0=(F

B.#'-T84/ G??( += *#/#.-=/-,("

 

V#((+A- B.#'-

cNMMX V +=A-(/>-=/

hTRM V` ?0:-, $45<-/

`7Ja

V#((+A- 5#/# (-/(1 .0>?'-H

l4-,+-(

@'0$#' 5->#=5

G??'+.#C0=(

`-$ (-#,.71 >-5+# (/,-#>+=<1

(0.+#' .0==-.CA+/J

" B.#'-T04/ $J 5-(+<=

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© 2012 Babak Falsafi

37#,#./-,+(C.( 09 B.#'-T84/ G??(

•  V#=J +=5-?-=5-=/ ,-l4-(/(;/#(%(

•  S4<- 5#/#(-/ (?'+/ +=/0 (7#,5(

•  V+=+>#' .0>>4=+.#C0= #>0=< (-,A-,(

^0#5 $#'#=.-,;

V#(/-, =05-

   3    '   +   -   =   /   p   -   l

   4   -   (   /   ( *#/#(-/

B-,A-,

B-,A-,

B-,A-,

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© 2012 Babak Falsafi

S0: 2x.+-=/ #,- E05#J\( B-,A-,(a

•  3,-#/-5 $-=.7>#,% (4+/-

 –  *+A-,(- (-/ 09 .'045 :0,%'0#5(

 – 

y4#=C)-5 7+<7T'-A-' $-7#A+0,

•  B/45+-5 0zT/7-T(7-'9 7#,5:#,-

 – 

_(-5 ?-,90,>#=.- .04=/-,( –  D5-=C)-5 =--5( 09 .'045 #??(

Modern CPUs don’t match needs of cloud apps

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© 2012 Babak Falsafi

S0: 2x.+-=/ #,- E05#J\( B-,A-,(a

•  3,-#/-5 $-=.7>#,% (4+/-

 –  *+A-,(- (-/ 09 .'045 :0,%'0#5(

 – 

y4#=C)-5 7+<7T'-A-' $-7#A+0,

•  B/45+-5 0zT/7-T(7-'9 7#,5:#,-

 – 

_(-5 ?-,90,>#=.- .04=/-,( –  D5-=C)-5 =--5( 09 .'045 #??(

Modern CPUs don’t match needs of cloud apps

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E05#J\( B-,A-,(F Q0/ E-,,+$'J 2x.+-=/]

0

1

2

3

4

   A  p  p   l   i  c  a   t   i  o  n   I   P   C

 Application IPC

0%

25%

50%

75%

100%

0

1

2

3

4

   T  o   t  a   l   E  x  e  c  u   t   i  o  n   C  y  c   l  e  s

   A  p  p   l   i  c  a   t   i  o  n   I   P   C

 Application IPC Memory Cycles

Execute ~1 instruction per cycle

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© 2012 Babak Falsafi

`0,%'0#5;B-,A-, V+(>#/.7 {GBU^8B RMNR|

C"" @04:"60-W

!"60- 2""@,2W}   }         }       

IJ +N *XJY3 4,-20 "@ -$,:0 *'" 60%-03W

NQF

%'%-0;W

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© 2012 Babak Falsafi

24,03'045 B-,A-, {DB3G RMNR|F

G B.#'-T84/ 37+? 90, V#((+A- *#/#o:::6-4,0.'045(-,A-,6.0>q 

Z* B03;*pGVF

• 

B:#,>( 09 GpV .0,-(•  ^+m'- .#.7-

•  NMMMH >0,- .0==-.CA+/J

• 

NMH '-(( (J(/-> -=-,<J•  p4=( 0zT/7-T(7-'9 B` (/#.%

_3J?,4(

~04, &4/4,- NT`#m

*#/#.-=/-, 37+?

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© 2012 Babak Falsafi

B?-.+#'+d#C0= .#= $4J NMMMH += 2=-,<Jo9,0> # (#>?'- 09 RM .7+?(q 

! #$%&$' #(

)*+,-./%&0

+.:6"$6":0--"6- 18UE- !%-2"#

V+7#+ "45+41 f8= /7- 2=-,<J 2x.+-=.J 09 30>?4/#C0=g1 RMML

N0P06

   U   0   '   &   %   # 

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© 2012 Babak Falsafi

"-J0=5 24,03'045 B-,A-,F

j-,C.#''JTD=/-<,#/-5 B-,A-,( ojDBGq

D5-=C9J -=-,<J 70<(F

•  B?-.+#'+d- 

• 

26<61 D=/-'\( E3U;DU 3U_

U0:-, 4? o5#,% (+'+.0=q

(-,A+.-( 0= /7- •J•  8/7-,(F E->#> € DQpDG1

VBp1 _3B*

3U_

S-#? `+5<-/

V#.7+=-

^-#,=+=<

`+5<-/

*" `+5<-/

Q-/:0,%`+5<-/

D;8 `+5<-/

VZ8[ 8?-20#\]'\!5.$

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© 2012 Babak Falsafi

2H#./ A(6 U,0$#$+'+(C.

V4.7 .0>?4/#C0= +( -,,0,T,-(+'+-=/F

•  V#.7+=- '-#,=+=<;#=#'JC.(

•  D>#<- ?,0.-((+=<;A+(4#' .0>?4/#C0=

• 

G45+0;(?--.7

•  B-#,.7

B+>+'#,'J1 /:0 •#A0,( 09 5#/#

•  2H#./F #z-./( 94=.C0=#'+/J o?0+=/-, #55,-((q

•  U,0$#$+'+(C.F #z-./( l4#'+/J o?+H-'( += +>#<-q

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© 2012 Babak Falsafi

U-,90,#/-5 oB%+??-5q 30>?4/#C0=

<";?26,:7 $-=.7>#,%

oUGpB23q

•  30>?+'-,T5,+A-=

?-,90,#C0=•  B%+? LMi 09

.0>?4/#C0=

•  V#+=/#+=( /,#.% 0=

7-#51 .7-(/ #=5 '-<(

30>?4/#C0= 50-( =0/

7#A- /0 $- -H#./]

S0z>#= -/6 #'61 f_(+=< ^00? U-,90,#C0= /0

*J=#>+.#''J G5#?/ G??'+.#C0= "-7#A+0,

/0 V--/ p-#'TE+>- *-#5'+=-(g1 RMNM

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*-BJp-F U,0$#$+'+(C. 30>?4C=<

2H?'0+/ ,-(+'+-=.- +=>#((+A- 5#/#

•  U#,CC0= #..0,5+=< /0

,-(+'+-=.-

•  U4(7 A0'/#<-( 50:= /0

f4=(#9-g ,-<+0=(

• 

V#H+>+d- /7,04<7?4/ :+/7'-(( -=-,<J

Q83

30,-30,- 30,-30,-

30,-30,- 30,-30,-

FilterFilter FilterFilter

VideoVideo VideoVideo

 Audio Audio Audio Audio

V^V^ V^V^

M  S  , :  2  

 U  6  " <  , <  .   9   .   -  &  : 

^0-.9.0'2

1,2,

!"'26"9

1,2,

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S0'+(C. D=/-<,#C0= "-J0=5 DE

• 

Q--5 +=/-,5+(.+?'+=#,J

o(.+-=.-( X /-.7=0'0<Jq

•  E+<7/-, +=/-<,#C0=

-=#$'-( 7+<7-,-x.+-=.J

•  &,0> B` /0 2=-,<J

• 

^0=<T/-,> A+(+0=F

➔ M'06(?\'0%26,9 ZC

 8  " _  4 , 6  0

   Z   '    @   6   ,   -   2   6   %   :   2   %   6   0

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3-=/-, /0 $,+5<- *#/# :+/7 2=-,<J –

 

Ne 9#.4'/J1 hM ,-(-#,.7-,(

•  G:#,5T:+==+=< 9#.4'/J;/-#>

 –  p04<7'J cZV;J-#, 94=5+=<

 – 

*#/#.-=/-, 8$(-,A#/0,J o/-(/ $-5q

p-(-#,.7F

 – 

2=-,<JT(.#'#$'- *#/#.-=/-,( 9,0>?,0<,#>>+=< /0 .00'+=<

 –  B.#'-T04/ 5#/# #=#'JC.( K >#=#<->-=/

 –  V#((+A- 5#/# #??'+.#C0=( K (-,A+.-(

ZO

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",+=<+=< +/ G'' E0<-/7-,

• 

DE +( .7#=<+=<-A-,J/7+=< K +/(-'9

.7#=<+=<

• 

DE (J(/->( #,-+=-x.+-=/ K /00

,0$4(/

•  U'0: >#((+A- 5#/#

:+/7 >+=+>#' -=-,<J

[ '04 ZC 60/"9%&"' .- 0#06(.'(`

40 5,/0 , (60,2 "$$"62%'.2? 2" 90,;W

?

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E7#=% ~04]

&0, >0,- +=90,>#C0= ?'-#(- A+(+/ 4( #/

0:":9"%;A:5