Draw out how the following code is run step$-$by$-$step with freezing. What is the CPI? Use $1$ attach line paper. $(10$ pts$)$

ADD R$1,$ R$2,$ R$3$

ADD R$4,$ R$5,$ R$6$ LW R$7,+4($R$1)$

SW $+8($R$4),$ R$7$

XOR R$2,$ R$7,$ R$8$

AND R$3,$ R$2,$ R$7$

$2.$ Draw out how the following code is run step$-$by$-$step with forwarding. What is the Cl the attach line paper $(10$ pts$)$

LW R$1,+0($R$5)$

LW R$2,+4($R$5)$

ADD R$3,$ R$1,$ R$2$

ADD R$4,$ R$3,$ R$2$ LW R$5,+0($R$4)$

XOR R$7,$ R$4,$ R$5$

$3.$ What is the CPI for pipeline with the following conditions? Using Forwarding $(10$

Hazard type

$\%$

Jumps

$30$

Branches $($Taken$)$

$10$

RAW $($combined load$-$alu, load$-$store$)$

$20$