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Consider an in-order 5-stage pipeline similar to the one discussed in class, e.g., see slides 4-6 of lecture 18. First assume that the pipeline does

Consider an in-order 5-stage pipeline similar to the one discussed in class, e.g., see slides 4-6 of lecture 18. First assume that the pipeline does not support bypassing (forwarding). What are the stall cycles introduced between the following pairs of back-to-back instructions? Then, solve the same problem while assuming support for bypassing. Clearly show your work, i.e., show how each instruction goes through the 5 stages, indicate the point of production and point of consumption, show how the consuming instruction is held back in the D/R stage when there are stalls. Recall that a register read is performed in the second half of the D/R stage and a register write is performed in the first half of the RW stage. (30 points)

1.lw $1, 8($2) add $4, $1, $3

2.lw $1, 8($2) sw $3, 8($1)

please no hand write. just type it please

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