Please Help and Explain

11) [5 points] For the given MIPS instruction sequence and pipeline show the bubbles required to ensure correct output without reordering and without forwarding paths. Draw arrows representing the flow of r3 and r4. [See figures 4.53 and 4.58] Instr cci cc2 cc 4 cc5cc6ccm 9 cc10 and r3, rl, 12 lw 14, 10(r3) sub r5, 14, r1 - How [5 points) Repeat the exercise, but this time use all possible forwarding paths to speed up execution. Instr cc1 CC2 C3 C4 C5 C6 CC7CCCC9ccio and r3, rl, r2 lw r4, 10 (13) sub r5, r4, ri MAHE 11) [5 points] For the given MIPS instruction sequence and pipeline show the bubbles required to ensure correct output without reordering and without forwarding paths. Draw arrows representing the flow of r3 and r4. [See figures 4.53 and 4.58] Instr cci cc2 cc 4 cc5cc6ccm 9 cc10 and r3, rl, 12 lw 14, 10(r3) sub r5, 14, r1 - How [5 points) Repeat the exercise, but this time use all possible forwarding paths to speed up execution. Instr cc1 CC2 C3 C4 C5 C6 CC7CCCC9ccio and r3, rl, r2 lw r4, 10 (13) sub r5, r4, ri MAHE