cpu scheduling methods

8/13/2019 cpu scheduling methods

1/132

!"# %&'()*+,-.

/01,& !2-&(341%&'()*+,-. !5,4(5,0%&'()*+,- 6+ 25,4'718*+4,3+(9"52&(1125 %&'()*+,-.

9;'5(0) %&'()*+,-.

@0A0 ;'5(0) %&'()*+,-.

.25 7 A0 *0 2-

!"# %&'()*+,-. 1CSCI 5573 Fall 2011


2/132

/01,& !2-&(341

8*+4,352.5077()


3/132

6+4(5-04,-. %(O*(-&( 2F !"# 6-) HI< /*5141

!"# %&'()*+,-. 3CSCI 5573 Fall 2011


4/132

P,142.507 2F !"#9C*514 ;,7(1

!"# %&'()*+,-. 4CSCI 5573 Fall 2011


5/132

!"# %&'()*+(5%'25494(57 1&'()*+(5

%(+(&41 -(?4 352&(11 42 5*- F527 072-. 4'( :(0)=352&(11(1 - 7(725= E(E ( (0 = *(*(:(0)= O*(*(70= C( ,73+(7(-4() 01 0 RHR< O*(*(S

S E)(&,1,2-1 70= 40T( 3+0&( D'(- 0 352&(11UVE%D,4&'(1 F527 5*--,-. 42 D0,4,-. 1404(E

WE%D,4&'(1 F527 5*--,-. 42 5(0)= 1404(EXE%D,4&'(1 F527 D0,4,-. 42 5(0)=EYE;(57,-04(1E

%&'()*+,-. *-)(5 V 0-) Y ,1 -2-35((734,A(E


6/132

Z,1304&'(5

Z,1304&'(5 72)*+( .,A(1 &2-452+ 2F 4'( !"#9

1&'()*+(5[ 4',1 ,-A2+A(1U1D & -. &2- (?

1D,4&',-. 42 *1(5 72)(

*73 -. 2 ( 3523(5 2&0 2- - ( *1(5352.507 42 5(14054 4'04 352.507

30 & 0 (-&=M 7( 0 (1 25 (),1304&'(5 42 1423 2-( 352&(11 0-) 14054

0-2 (5 5*-- -.E

!"# %&'()*+,-. 6CSCI 5573 Fall 2011


7/132

%&'()*+,-. !5,4(5,0

!"# *4,+,B04,2-M T((3 4'( !"# 01 C*1= 01 3211,C+(M

(?(&*4,2- 3(5 4,7( *-,4;*5-052*-) 4,7(M 072*-4 2F 4,7( 42 (?(&*4( 0

3054,&*+05 352&(11%*7 2FD0,4,-. 42 C( +20)() ,-42 7(725=S D0,4,-. ,- 5(0)=

S EN0,4,-. 4,7(M 072*-4 2F 4,7( 0 352&(11 '01 C((-

D0,4,- ,- 4'( 5(0) *(*(Z,5(&4+= ,730&4() C= 1&'()*+(5 0+.25,4'7

:(132-1( 4,7(M 072*-4 2F 4,7( ,4 40T(1 F527 D'(- 0

5(O*(1 D01 1* 7 ( *- ( 51 5(1 2-1( 1352)*&()S !"#2*43*4 GF25 4,7(91'05,-. (-A,52-7(-4J

!"# %&'()*+,-. 7CSCI 5573 Fall 2011


8/132


9/132

%&'()*+,-. 6+.25,4'71

R,5149&27(S R,51491(5A()%'254(149@2C9R,514

"5,25,4 9C01()

:2*-)952C,-

8*+4,+(A(+ F(()C0&T O*(*(

!"# %&'()*+,-. 9CSCI 5573 Fall 2011


10/132

R!R%GR,514 !27( R,514 %(5A()J

>01,+= ,73+(7(-4() D,4' 0 RHR< O*(*( "52&(11_1 "!/ ,-,4,0++= 3+0&() 2- RHR< :(0)=

O*(*(

N'(- !"# ,1 F5(( 4'( -(?4 "52&(11 ,1

1(+(&4()6+7214 -2 2A(5'(0) F25 1(+(&4,2- 352&(11

4'( 35(&()(-4 352&(11

35(&()(1 0 1'254 5*--,-. 352&(11

!"# %&'()*+,-. 10CSCI 5573 Fall 2011


11/132

R!R% %&'()*+,-."52&(11 /*514 ;,7(

"V WY"W X"X X

611*7( 4'( 352&(11(1 055,A( ,- 4'( 25)(5U "VS "WS "X;'( ^0-44 !'054F25 4'( 1&'()*+( ,1U

P1

P2

P3

24 27 300

N0,4,-. 4,7( F25 "V` a[ "W` WY[ "X ` Wb6 (50 ( D0,4,- 4,7(U a c WY c Wb X ` Vb71

!"# %&'()*+,-. 11CSCI 5573 Fall 2011


12/132

R!R% %&'()*+,-. G!2-4EJ611*7( 352&(11(1 055,A( 01U "WS "XS "VE

U

P1

P3

P2

63 300

V W [ X6A(50.( D0,4,-. 4,7(U Gd c a c XJIX ` X 71

*& ( (5 0- 35(A 2*1 &01(E !2-A2= (FF(&425 '(0)92F9+,-( C+2&T,-.

1 254 352&(11 ( - 2-. 352&(1170-= HI< C2*-) 352&(11(1 C(',-) !"#9C2*-) 352&(11 5(1*+41 ,-

,-(FF,&,(-4 *1( 2F HI< 5(12*5&(1

!"# %&'()*+,-. 12CSCI 5573 Fall 2011


13/132

R,5149!27(S R,5149%(5A() GRHR


14/132

R,5149!27(S R,5149%(5A() GRHR


15/132

R,5149!27(S R,5149%(5A() GRHR


16/132

R,5149!27(S R,5149%(5A() GRHR


17/132

R,5149!27(S R,5149%(5A() GRHR


18/132

R,5149!27(S R,5149%(5A() GRHR


19/132

R,5149!27(S R,5149%(5A() GRHR


20/132

R,5149!27(S R,5149%(5A() GRHR


21/132

R,5149!27(S R,5149%(5A() GRHR


22/132

R,5149!27(S R,5149%(5A() GRHR


23/132

R,5149!27(S R,5149%(5A() GRHR


24/132

R,5149!27(S R,5149%(5A() GRHR


25/132

R,5149!27(S R,5149%(5A() GRHR


26/132

R,5149!27(S R,5149%(5A() GRHR


27/132

R,5149!27(S R,5149%(5A() GRHR


28/132

R,5149!27(S R,5149%(5A() GRHR


29/132

R,5149!27(S R,5149%(5A() GRHR


30/132

R!R% %&'()*+,-. G!2-4EJ

!2-A2= (FF(&425 '(0)92F9+,-( C+2&T,-.1'254 52&(11 C(',-) +2- 52&(1170-= HI< C2*-) 352&(11(1 C(',-) !"#9C2*-) 352&(11 5(1*+41 ,-

,-(FF,&,(-4 *1( 2F HI< 5(12*5&(1

R0A251 !"#9C2*-) 352&(11(1UHI


31/132

%'254(149@2C9R,514 G%@RJ %&'()*+,-.%&'()*+(5 7*14 KT-2DL 4'( -(?4 !"# C*514

+(-.4' 2F (0&' 352&(11 ,- :(0)= O*(*( ( 4 (5 352&(11 (& 05(1 *514 (-.4 25 1=14(7K35(),&41L -(?4 +(-.4' C01() 2- 35(A,2*1 *10.(

,F 4,( 4'(- *1( R!R% 42 C5(0T 4,(

M 4,7( F25 0 .,A(- 1(4 2F 352&(11(1E

-2-935((734,A(M 2-&( !"# 011,.-()S 352&(11 -24

E "5((734,A(M ,F 0 -(D 352&(11 D,4' !"# C*514 +(11

4'0- 5(70,-,-. 4,7( 2F &*55(-4S 35((734E

!"# %&'()*+,-. 31CSCI 5573 Fall 2011

%'254(149:(70,-,-.9;,7(9R,514 G%:;RJE


32/132

>?073+( 2F %@R %&'()*+,-. M '=324'(4,&0+ &01(52&(11 *51 7(

"V d

W

"X b

;'( ^0-44 !'054F25 4'( %@R 1&'()*+( ,1U

P1 P

3P

2P4

9 16 240 3

N0,4,-. 4,7( F25 "V` X[ "W` Vd[ "X ` f[ "Y ` a6A(50.( D0,4,-. 4,7(U GX c Vd c f c aJIY ` b 71

!"# %&'()*+,-. 32CSCI 5573 Fall 2011

/= R!R% M 6A.E N0,4,-. 4,7( ` GacdcVYcWVJIY` VaEWg 71


33/132

>?073+( 2F h2-9"5((734,A( %@R

"52&(11 655,A0+ ;,7( /*514 ;,7(

" aEa b

; ` aU :Q i"Vj%(+(&4 "V

; ` WU :Q i"Wj"W WEa Y"X YEa V

h29"5((734,2- ; ` YU :Q i"XS "Wj

h29"5((734,2- E ` U ` XS W S Y

h29"5((734,2- ; ` bU :Q i"XS "W S "Yj

S ; ` eU :Q i"W S "Yj

"X&273+(4(1S %(+(&4 "W ; ` VWU : ` "

ka c Ge M WJ c Gb M YJ c GVW M gJlIY `kd c X c blIY ` Y 71

"W&273+(4(1S %(+(&4 "Y ; ` VdU :Q ` ij

"Y&273+(4(1

bX Vda e VW

!"# %&'()*+,-. 33CSCI 5573 Fall 2011

CD CECF CGA&&+0%:*


34/132

>?073+( 2F "5((734,A( %@R"52&(11 655,A0+ ;,7( /*514 ;,7(

"V aEa b

; ` aU :Q ` i"Vj

%(+(&4 "V"W WEa Y

"X YEa V

; ` WU :Q ` i"Wj35((734 "VS %(+(&4 "W

; ` YU :Q ` i"XS "Vj EWS X

; ` gU :Q ` i"WS "Y S "Vj"X&273+(4(1S %(+(&4 "W

S"W&273+(4(1S %(+(&4 "Y ; ` VVU :Q ` i"Vj

" &27 +(4(1S %(+(&4 "

6A(50.( N0,4,-. ;,7(UkGVVMWJ c Gg9YJ c GaJ c Gb9gJlIY `k f c V c a c WlIY ` X 71

; ` VdU :Q ij"V&273+(4(1

"V "X"W "Y"W "V

!"# %&'()*+,-. 34CSCI 5573 Fall 2011

CD CECF CGA&&+0%:*


35/132

%'254(14 @2C R,514$-:-9# #,- (") H+#, #,- *,"-*# 1-I


36/132

%'254(14 @2C R,514$-:-9# #,- (") H+#, #,- *,"-*# 1-I


37/132

%'254(14 @2C R,514$-:-9# #,- (") H+#, #,- *,"-*# 1-I


38/132

%'254(14 @2C R,514$-:-9# #,- (") H+#, #,- *,"-*# 1-I


39/132

%'254(14 @2C R,514$-:-9# #,- (") H+#, #,- *,"-*# 1-I


40/132

%'254(14 @2C R,514$-:-9# #,- (") H+#, #,- *,"-*# 1-I


41/132

%'254(14 @2C R,514$-:-9# #,- (") H+#, #,- *,"-*# 1-I


42/132

%'254(14 @2C R,514$-:-9# #,- (") H+#, #,- *,"-*# 1-I


43/132

%'254(14 @2C R,514$-:-9# #,- (") H+#, #,- *,"-*# 1-I


44/132

%'254(14 @2C R,514$-:-9# #,- (") H+#, #,- *,"-*# 1-I


45/132

%'254(14 @2C R,514$-:-9# #,- (") H+#, #,- *,"-*# 1-I


46/132

%'254(14 @2C R,514$-:-9# #,- (") H+#, #,- *,"-*# 1-I


47/132

%'254(14 @2C R,514$-:-9# #,- (") H+#, #,- *,"-*# 1-I


48/132

%'254(14 @2C R,514$-:-9# #,- (") H+#, #,- *,"-*# 1-I


49/132

%'254(14 @2C R,514$-:-9# #,- (") H+#, #,- *,"-*# 1-I


50/132

%'254(14 :(70,-,-. ;,7(C&--;


51/132

%'254(14 :(70,-,-. ;,7(m C&--;


52/132

%'254(14 :(70,-,-. ;,7(m C&--;


53/132

%'254(14 :(70,-,-. ;,7(m C&--;


54/132

%'254(14 :(70,-,-. ;,7(m C&--;


55/132

%'254(14 :(70,-,-. ;,7(m C&--;


56/132

%'254(14 :(70,-,-. ;,7(m C&--;


57/132

%'254(14 :(70,-,-. ;,7(m C&--;


58/132

%'254(14 :(70,-,-. ;,7(m C&--;


59/132

%'254(14 :(70,-,-. ;,7(m C&--;


60/132

%'254(14 :(70,-,-. ;,7(m C&--;


61/132

%'254(14 :(70,-,-. ;,7(m C&--;


62/132

%'254(14 :(70,-,-. ;,7(m C&--;


63/132

%'254(14 :(70,-,-. ;,7(m C&--;


64/132

%'254(14 :(70,-,-. ;,7(m C&--;


65/132

%'254(14 :(70,-,-. ;,7(m C&--;


66/132

Z(4(57,-,-. h(?4 !"# /*514

!0- 2-+= (14,704( 4'( +(-.4' C01() 2- 35(A,2*1

EburstCPUoflenghtactual1. th

n nt

10,3.

burstCPUnextfor thevaluepredicted2. 1n

.1:Define4. 1 nnn t -cV - E

`VU -cV` 4-[ 2-+= +014 C*514 &2*-41E>? 0-),- 4'( F257*+0U

-cV` 4-c GV 9 J 4- 9V c n c GV9 J\

4- 9\c n c GV9 J-cV

a o V `p 1*&&(11,A( 4(571 '0A( +(11 D(,.'4

!"# %&'()*+,-. 66CSCI 5573 Fall 2011


67/132

"5(),&4,2- 2F 4'( q(-.4' 2F 4'( h(?4 !"# /*514

0.5 and 10

!"# %&'()*+,-. 67CSCI 5573 Fall 2011


68/132

>?32-(-4,0+ 6A(50.,-. >?073+(Exponential averaging

8.00

9.00

6.00

.

ation

Actual

Alpha (0) 0.2

Alpha (1) 0.35

3.00

4.00

.

BurstDu Alpha (2) 0.5

Alpha (3) 0.65

Alpha (4) 0.8

1.00

2.00Average

0.001 5 9 13 17 21 25 29 33 37 41 45 49

!"# %&'()*+,-. 68CSCI 5573 Fall 2011


69/132

%'254(14 @2C R,514 Z50DC0&T1

"211,C,+,4= 2F 1405A04,2- F25 +2-.(5 352&(11(101 2-. 01 (5( 1 0 1 (0 = 1*33 = 2 1 25 (5352&(11(1E

1'05,-. (-A,52-7(-4U

1'2*+)J C*4 0 352&(11 )2,-. -2 HI< &2*+) 14,++72-232+,B( 4'( !"# ,F '( ,1 4'( F,514 2-( 42

E%@R ,73+,&,4+= ,-&2532504(1 35,25,4,(1U 1'254(14

E

!"# %&'()*+,-. 69CSCI 5573 Fall 2011


70/132

"5,25,4= %&'()*+,-. %@R r %:;R ,1 0- (?073+( 2F 35,25,4=9C01() 1&'()*+,-. 6112&,04( 35,25,4= G,-4(.(5 -*7C(5J D,4' (0&' 352&(11 0-) 1(+(&4

"5((734,A(U ,F "&*55(-4o "055,A0+ "5((734 !*55(-4 "52&(11 0-) 011,.- !"# 42 4'(

-2-935((734,A(U HF "055,A0+,1 4'( ',.'(14 3*4 ,4 04 4'( '(0) 2F 4'( 5(0)= O*(*(

5 25 = 70= ( - (5-0 = ( -( = 25 (? (5-0 = = ( *1(5


71/132

>?073+( 2F "5,25,4= %&'()*+,-."52&(11 /*514 ,7( "5,25,4=

"V Va X

" V V"X W Y"Y V g

g

;'( ^0-44 &'054,1U

P5 P

1 P

3P2 P4

01 6 16 18 19

U c c c c ` E/= R!R% M 6A.E N0,4,-. 4,7( ` GacVacVVcVXcVYJIg` fEd 71/= %@R 9 6A.E N0,4,-. 4,7( ` GVfcacWcVcYJIg` gEW 71

!"# %&'()*+,-. 71CSCI 5573 Fall 2011


72/132

:2*-) :2C,- ::

"2+,&= ,1 405.(4() 42 4,7(91'05,-. 1=14(71

7 05 2 * 3(57 35((73 2-35((734 352&(11 0F4(5 0 F,?() 4,7( ,-4(5A0+ 0-) 3+0&( 2- 40,+

2F 5(0)=9O*(*(E0+D0=1 1(+(&4 -(?4 352&(11 F527 '(0) 2F 5(0)=9O*(*(

>0&' 352&(11 011,.-() 0 4,7( O*0-4*7S 4=3,&0++=

9 E64 O*0-4*7 (?3,504,2- 352&(11 72A() 42 40,+ 2F :(0)= Q

`S S(0&' 352&(11 5(&(,A(1 VI-2F !"# 4,7( ,- &'*-T1 2F04 7214 O*-,41E

9 E

!"# %&'()*+,-. 72CSCI 5573 Fall 2011


73/132

:2*-)9:2C,-G!2-4EJ "(5F2570-&( )(3(-)1 2- 1,B( 2F 4,7(

O+05.( 4'(- C('0A(1 +,T( R!R% 170++ 4'(- 0 (051 01 )(),&04() 52&(1125 D,4'

13(() VI- 0&4*0+ M &0++()352&(1125 1'05,-.N0-4 O +05.( &27305() 42 &2-4(?4 1D,4&' 4,7(

;*5-052*-) 4,7( 0+12 )(3(-)1 2- O*0-4*7

D,4',- 2-( 4,7( O*0-4*7

!"# %&'()*+,-. 73CSCI 5573 Fall 2011


74/132

>?07 +( 2F :: D,4' Q*0-4*7 ` Y 71"52&(11 /*514 ;,7(

"V WY"W X"X X

;'( ^0-44 &'054,1U

1 2 3 1 1 1 1 1

0 4 7 10 14 18 22 26 30

6A(50.( 4*5- 052*-) 4,7( ` GXacbcVaJIX` VgEdb 71/= R!R% ` GWYcWbcXaJIX`Wb 71

/= %@R ` XacXcd X` VX 71

;=3,&0++=S ',.'(5 0A(50.( 4*5-052*-) 4'0- %@RS C*4

!"# %&'()*+,-. 74CSCI 5573 Fall 2011

E

> + :: Q Wa


75/132

>?073+(U ::S Q*0-4*7 ` Wa"52&(11 /*514 ;,7(

" gX"W Vb

"Y WY

0 20 37 57 77 97 117 121 134 154 162

;=3,&0++=S ',.'(5 0A(50.( 4*5-052*-) 4'0- %@RSC*4 C(44(5 5(1 2-1(E

!"# %&'()*+,-. 75CSCI 5573 Fall 2011


76/132

:2*-)9:2C,- %&'()*+,-.

mArrival Processing

1 0 3

2 2 6

4 6 5

5 8 2

!"# %&'()*+,-. 76CSCI 5573 Fall 20110 5 10 15 20


77/132

:2*-)9:2C,- %&'()*+,-.

mArrival Processing

1 0 3

2 2 6

4 6 5

5 8 2

8-%./ N+*#O

!"# %&'()*+,-. 77CSCI 5573 Fall 20110 5 10 15 20


78/132

:2*-)9:2C,- %&'()*+,-.

mArrival Processing

1 0 3

2 2 6

4 6 5

5 8 2

8-%./ N+*#O

!"# %&'()*+,-. 78CSCI 5573 Fall 20110 5 10 15 20

) C ' ) +


79/132

:2*-)9:2C,- %&'()*+,-.

mArrival Processing

1 0 3

2 2 6

4 6 5

5 8 2

8-%./ N+*#O

!"# %&'()*+,-. 79CSCI 5573 Fall 20110 5 10 15 20

: ) : C ' ) +


80/132

:2*-)9:2C,- %&'()*+,-.

mArrival Processing

1 0 3

2 2 6

4 6 5

5 8 2

8-%./ N+*#O

!"# %&'()*+,-. 80CSCI 5573 Fall 20110 5 10 15 20

: ) : C, ' ) +,


81/132

:2*-)9:2C,- %&'()*+,-.

mArrival Processing

1 0 3

2 2 6

4 6 5

5 8 2

8-%./ N+*#O

!"# %&'()*+,-. 81CSCI 5573 Fall 20110 5 10 15 20

: ) : C, % ' ) +,


82/132

:2*-)9:2C,- %&'()*+,-.

mArrival Processing

1 0 3

2 2 6

4 6 5

5 8 2

8-%./ N+*#O

!"# %&'()*+,-. 82CSCI 5573 Fall 20110 5 10 15 20

: ) : C, % ' ) +,


83/132

:2*-)9:2C,- %&'()*+,-.

mArrival Processing

1 0 3

2 2 6

4 6 5

5 8 2

8-%./ N+*#O

!"# %&'()*+,-. 83CSCI 5573 Fall 20110 5 10 15 20

: ) : C, % ' ) +,


84/132

:2*-)9:2C,- %&'()*+,-.

mArrival Processing

1 0 3

2 2 6

4 6 5

5 8 2

8-%./ N+*#O

!"# %&'()*+,-. 84CSCI 5573 Fall 20110 5 10 15 20

: ) : C, % ' ) +,


85/132

:2*-)9:2C,- %&'()*+,-.

mArrival Processing

1 0 3

2 2 6

4 6 5

5 8 2

8-%./ N+*#O

!"# %&'()*+,-. 85CSCI 5573 Fall 20110 5 10 15 20

: ) : C, % ' ) +,


86/132

:2*-)9:2C,- %&'()*+,-.

mArrival Processing

1 0 3

2 2 6

4 6 5

5 8 2

8-%./ N+*#O

!"# %&'()*+,-. 86CSCI 5573 Fall 20110 5 10 15 20

: ) : C, % ' ) +,


87/132

:2*-)9:2C,- %&'()*+,-.

mArrival Processing

1 0 3

2 2 6

4 6 5

5 8 2

8-%./ N+*#O

!"# %&'()*+,-. 87CSCI 5573 Fall 20110 5 10 15 20

: ) : C, % ' ) +,


88/132

:2*-)9:2C,- %&'()*+,-.

mArrival Processing

1 0 3

2 2 6

4 6 5

5 8 2

8-%./ N+*#O

!"# %&'()*+,-. 88CSCI 5573 Fall 20110 5 10 15 20

: ) : C, % ' ) +,


89/132

:2*-)9:2C,- %&'()*+,-.

mArrival Processing

1 0 3

2 2 6

4 6 5

5 8 2

8-%./ N+*#O

!"# %&'()*+,-. 89CSCI 5573 Fall 20110 5 10 15 20

: ) : C, % ' ) +,


90/132

:2*-)9:2C,- %&'()*+,-.

mArrival Processing

1 0 3

2 2 6

4 6 5

5 8 2

8-%./ N+*#O

!"# %&'()*+,-. 90CSCI 5573 Fall 20110 5 10 15 20

: *-) : C,- %&' )*+,-


91/132

:2*-)9:2C,- %&'()*+,-.

mArrival Processing

1 0 3

2 2 6

4 6 5

5 8 2

8-%./ N+*#O

!"# %&'()*+,-. 91CSCI 5573 Fall 20110 5 10 15 20

:2*-) :2C,- %&'()*+,-.


92/132

:2*-)9:2C,- %&'()*+,-.

mArrival Processing

1 0 3

2 2 6

4 6 5

5 8 2

8-%./ N+*#O

!"# %&'()*+,-. 92CSCI 5573 Fall 20110 5 10 15 20

:2*-) :2C,- %&'()*+,-.


93/132

:2*-)9:2C,- %&'()*+,-.

mArrival Processing

1 0 3

2 2 6

4 6 5

5 8 2

8-%./ N+*#O

!"# %&'()*+,-. 93CSCI 5573 Fall 20110 5 10 15 20

:2*-) :2C,- %&'()*+,-.


94/132

:2*-)9:2C,- %&'()*+,-.

mArrival Processing

1 0 3

2 2 6

4 6 5

5 8 2

8-%./ N+*#O

!"# %&'()*+,-. 94CSCI 5573 Fall 20110 5 10 15 20

:2*-) :2C,- %&'()*+,-.


95/132

:2*-)9:2C,- %&'()*+,-.

mArrival Processing

1 0 3

2 2 6

4 6 5

5 8 2

8-%./ N+*#O

!"# %&'()*+,-. 95CSCI 5573 Fall 20110 5 10 15 20

:2*-) :2C,- %&'()*+,-.


96/132

:2*-)9:2C,- %&'()*+,-.

m

Arrival Processing

1 0 3

2 2 6

4 6 5

5 8 2

8-%./ N+*#O

!"# %&'()*+,-. 96CSCI 5573 Fall 20110 5 10 15 20

:2*-) :2C,- %&'()*+,-.


97/132

:2*-)9:2C,- %&'()*+,-.

m

Arrival Processing

1 0 3

2 2 6

4 6 5

5 8 2

8-%./ N+*#O

!"# %&'()*+,-. 97CSCI 5573 Fall 20110 5 10 15 20

:2*-) :2C,- %&'()*+,-.


98/132

:2*-)9:2C,- %&'()*+,-.

m

Arrival Processing

1 0 3

2 2 6

4 6 5

5 8 2

8-%./ N+*#O

!"# %&'()*+,-. 98CSCI 5573 Fall 20110 5 10 15 20

:2*-) :2C,- %&'()*+,-.


99/132

:2*-)9:2C,- %&'()*+,-.

m

Arrival Processing

1 0 3

2 2 6

4 6 5

5 8 2

8-%./ N+*#O

!"# %&'()*+,-. 99CSCI 5573 Fall 20110 5 10 15 20

:2*-) :2C,- %&'()*+,-.


100/132

:2*-)9:2C,- %&'()*+,-.

m

Arrival Processing

1 0 3

2 2 6

4 6 5

5 8 2

8-%./ N+*#O

!"# %&'()*+,-. 100CSCI 5573 Fall 20110 5 10 15 20

:2*-)9:2C,- %&'()*+,-.


101/132

:2*-)9:2C,- %&'()*+,-.

m

Arrival Processing

1 0 3

2 2 6

4 6 5

5 8 2

8-%./ N+*#O

!"# %&'()*+,-. 101CSCI 5573 Fall 20110 5 10 15 20


102/132

:2*-)9:2C,- %&'()*+,-.


103/132

:2*-)9:2C,- %&'()*+,-.

m

Arrival Processing Turnaround

y1 0 3 1 4

2 2 6 10 16

4 6 5 9 14

5 8 2 5 7

!"# %&'()*+,-. 103CSCI 5573 Fall 20110 5 10 15 20

;,7( Q*0-4*7 A1 !2-4(?4 %D,4&'(1


104/132

;,7( Q*0-4*7 A1E !2-4(?4 %D,4&'(1

6 170++(5 4,7( *0-4*7 ,-&5(01(1 &2-4(?4 1D,4&'(1 s

!"# %&'()*+,-. 104CSCI 5573 Fall 2011

;*5-052*-) ;,7( t05,(1 N,4' ;'( ;,7( Q*0-4*7


105/132

Q

!"# %&'()*+,-. 105CSCI 5573 Fall 2011

:2*-)9:2C,- %&'()*+,-.


106/132

:2*-) :2C,- %&'()*+,-.

>FF(&4,A(-(11 2F 52*-)952C,- )(3(-)1 2-

( -*7 (5 2 2 1S 0-;'( 1,B( 2F 4'( 4,7( O*0-4*7E

q05.( ] 2F \2C1 7(0-1 4'04 4'( 4,7( C(4D((-1&'()*+,-. 2F 0 1,-.+( \2C ,-&5(01(1

q05.(5 4,7( O*0-4*7 7(0-1 4'04 4'( 4,7( C(4D((-

%+2D 5(132-1(1

70 (5 7( O*0- *7 7(0-1 . (5 352&(11 -.

504(1 C*4 0+12 725( 2A(5'(0)s

!"# %&'()*+,-. 106CSCI 5573 Fall 2011

:2*-) :2C,- Z50DC0&T1


107/132

:2*-) :2C,- Z50DC0&T1%4,++ F0A251 !"#9C2*-) 352&(11(1U

6 HI< C2*-) 352&(11 *1(1 4'( !"# F25 0 4,7( 4'04 ,1

(11 0- ( 7( O*0- *7 0- (- 2& ( D0 -. 25HI


108/132

8*+4,+(A(+ Q*(*(


109/132

8*+4,+(A(+ Q*(*(

:(0)= O*(*( ,1 3054,4,2-() ,-42 1(30504( O*(*(1U

25(.52*- - (50& A(C0&T.52*-) GC04&'J

SF25(.52*-) M::

C0&T 52*-) MR!R%

%&'()*+,-. 7*14 C( )2-( C(4D((- 4'( O*(*(1ER,?() 35,25,4= 1&'()*+,-.[ G,E(ES 1(5A( 0++ F527 F25(.52*-)

4'(- F527 C0&T.52*-)JE "211,C,+,4= 2F 1405A04,2-E

;,7( 1+,&( M (0&' O*(*( .(41 0 &(540,- 072*-4 2F !"# 4,7(

>?073+(U eau 42 F25(.52*-) ,- ::

!"# %&'()*+,-. 109CSCI 5573 Fall 2011

Wau 42 C0&T.52*-) ,- R!R%

8*+4,+(A(+ Q*(*( %&'()*+,-.


110/132

8*+4,+(A(+ Q*(*( %&'()*+,-.

!"# %&'()*+,-. 110CSCI 5573 Fall 2011

8*+4,+(A(+ R(()C0&T Q*(*(


111/132

8*+4,+(A(+ R(()C0&T Q*(*(

6 352&(11 &0- 72A( C(4D((- 4'( A05,2*1

E8*+4,+(A(+9F(()C0&T9O*(*( 1&'()*+(5

-*7C(5 2F O*(*(1

7(4'2) *1() 42 )(4(57,-( D'(- 42 *3.50)( 052&(11

7(4'2) *1() 42 )(4(57,-( D'(- 42 )(724( 0352&(11

7(4'2) *1() 42 )(4(57,-( D',&' O*(*( 0352&(11 D,++ (-4(5 D'(- 4'04 352&(11 -(()1

!"# %&'()*+,-. 111CSCI 5573 Fall 2011

>?073+( 2F 8*+4,+(A(+ R(()C0&T Q*(*(


112/132

>?073+( 2F 8*+4,+(A(+ R(()C0&T Q*(*(

;'5(( O*(*(1UQaM 4,7( O*0-4*7 e 7, ,1(&2- 1QVM 4,7( O*0-4*7 Vd 7,++,1(&2-)1

QWM R!R%

%&'()*+,-.

6 -(D \2C (-4(51 O*(*( QaD',&' ,1 1(5A() R!R%EN'(- ,4 .0,-1 !"#S \2C 5(&(,A(1 e 7,++,1(&2-)1E HF,4 2(1 -24 ,-,1 ,- 7, ,1(&2- 1S \2 ,1 72A( 42O*(*( QVE

V 2 1 0.0 - 1(5A( 0- 5(&( A(1

0)),4,2-0+ 7,++,1(&2-)1E HF ,4 14,++ )2(1 -24

!"# %&'()*+,-. 112CSCI 5573 Fall 2011

S E

8*+4,+(A(+ R(()C0&T Q*(*(1


113/132

8*+4,+(A(+ R(()C0&T Q*(*(1

!"# %&'()*+,-. 113CSCI 5573 Fall 2011

8*+4,3+(9"52&(1125 %&'()*+,-.


114/132

8*+4,3+( "52&(1125 %&'()*+,-.

!"# 1&'()*+,-. 725( &273+(?D'(- 7*+4,3+(

E611*7( '272.(-(2*1 1=14(71r #86G#-,F257 8(725= 6&&(11J

*1,-.GR25 C(44(5q20) 1'05,-.J

>0&' 352&(11 1&'()*+(1 ,41(+FU (?07,-( 4'( 5(0)= O*(*( 0-)

1(+(&4 0 52&(11 42 (?(&*4(E

6 7014(5 1(5A(5 U 61=77(45,& 7*+4,352&(11,-.Z(1,.-04( 2-( 352&(1125 01 1&'()*+(5U 7014(5 0-) 1+0A(

%,73+= &2-452+1 0++ HI


115/132

!+011,F,&04,2-1 2F 8*+4, 52&(11251

221( = &2*3 ( 7* 352&(1125E (0&' 352&(1125 '01 ,41 2D- 7(725= 0-) HI0&' !"# '01 ,41 2D- 23(504,-. 1=14(7

!"# %&'()*+,-. 128CSCI 5573 Fall 2011

%=77(45,& "((5 8*+4,352&(1125


129/132

= 3

Bus

%8" 7*+4,352&(1125 72)(+

!"# %&'()*+,-. 129CSCI 5573 Fall 2011

"52&(11 %&'()*+,-


130/132

%,-.+( O*(*( F25 0++ 352&(11(1E

8*+4,3+( O*(*(1 05( *1() F25 35,25,4,(1E6++ *(*(1 F(() 42 4'( &2772- 22+ 2F

352&(11251E

,732540-4 D,4' 725( 4'0- 2-( 352&(1125E

35,25,4= 1&'(7( 70= 1*FF,&( F25 0 7*+4,3+(952&(1125 1 14(7E

!"# %&'()*+,-. 130CSCI 5573 Fall 2011

;'5(0) %&'()*+,-


131/132

>?(&*4(1 1(30504( F527 4'( 5(14 2F 4'(

352&(11E6- 033+,&04,2- &0- C( 0 1(4 2F 4'5(0)1 4'04

&223(504( 0-) (?(&*4( &2-&*55(-4+= ,- 4'(107( 0))5(11 130&(E

;'5(0)1 5*--,-. 2- 1(30504( 352&(11251,(+)1 0 )50704,& 0,- ,- (5F2570-&(E

P2D(A(5S 033+,&04,2-1 5(O*,5,-. 1,.-,F,&0-4

1,.-,F,&0-4 3(5F2570-&( ,730&4 DI7*+4,9

!"# %&'()*+,-. 131

ECSCI 5573 Fall 2011


132/132

q20) 1'05,- 352&(11(1 05( -24 011,.-() 42 0 3054,&*+05

352&(1125

^0-. 1&'()*+,-. 0 1(4 2F 5(+04() 4'5(0)1 ,1 1&'()*+() 42 5*- 2-

0 1(4 2 352&(11251 04 4 ( 107( 4,7(Z(),&04() 352&(1125 011,.-7(-4

4 5(0 1 05( 011,.-( 42 0 13(&, ,& 352&(1125

Z=-07,& 1&'()*+,-. -*7C(5 2F 4'5(0)1 &0- C( 0+4(5() )*5,-. &2*51(

2F (?(&*4,2-

cpu scheduling methods

Documents