stain order . half also have print ( x , y ) before = =_ ] and also violate program order . Only 1 / 4 of the 120 sequences , Or 30 , are valid ....

 In Fig. 7.7 of the text, is signature 001001 valid for sequential consistent memory? Explain your answer

stain order .half also have print ( x , y ) before = =_ ] andalso violate program order . Only 1 / 4 of the 120 sequences , Or 30 , are valid .Another 30 valid sequences are possible starting with y + 1 and another 30can begin with Z - 1 , for a total of 90 valid execution sequences . Four ofthese are shown in Figure 7 .7 .Execution 1Execution 2Execution 3Execution 4P1 :X 4- 7 ;`1. 1 -7P1 :P1:| X 4 1;print ( Y , Z ) ;P 2 :YP2 :P 2:- L -> KP 3 :YP 2:2 4 - 7 :1P 2 :P1 :X+ 1 :1P2 :print ( x , 2 ) ;P 3 :`print ( x , 2 ) ;P1 :print ( x , y ) ;P 3:2 4_print ( Y , Z ) ;7 :P 2:`P 3:print ( x , z ) ;2 4- 1 ;`P 2:P 3:2 4 - 1 ;`P1 :X 4 1 ;1print ( x , 2 ) ;print ( x , y ) ;Py :P 3 :print ( x , Y ) ;P1 :print ( y , z ) ;print ( Y , Z ) ;P 3 :print ( x , y ) ;Prints : 80101 1Signature : 0 0 10 1 1Prints : 10101 1Prints : $10171Signature : 10 10 1 1Signature : 1 1 01 01Prints : 11 1 1 1 1)\ Signature : 1 1 1 1 1 1( 2 )( 10 )( C )( d )pure ?_ _ __ Four valid executionsequences for the processes of Figure 7 6 The