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A 5-stage pipelined processor has instruction Fetch (IF), Instruction Decode (ID), Operand fetch (OF), perform Operation (PO) and Write Operand (WO) stages. The IF, ID, OF and WO stages take 1 clock cycle each for any instruction. The PO stage takes 1 clock cycle for ADD and SUB instructions, 3 clock cycles for MUL instruction, and 6 clock cycles for DIV instruction respectively. Operand forwarding is used in the pipeline. What is the number of clock cycles needed to execute the following sequence of instructions? I0: ADD $t2, $t1, $t2 Il: DIV $t4, $t3, $t2 12: MUL $t6, $t5, $t4

A 5-stage pipelined processor has instruction Fetch (IF), Instruction Decode (ID), Operand fetch (OF), perform Operation (PO) and Write Operand (WO) stages. The IF, ID, OF and WO stages take 1 clock cycle each for any instruction. The PO stage takes 1 clock cycle for ADD and SUB instructions, 3 clock cycles for MUL instruction, and 6 clock cycles for DIV instruction respectively. Operand forwarding is used in the pipeline. What is the number of clock cycles needed to execute the following sequence of instructions? I0: ADD $t2, $t1, $t2 Il: DIV $t4, $t3, $t2 12: MUL $t6, $t5, $t4

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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A 5-stage pipelined processor has instruction Fetch (IF), Instruction Decode (ID), Operand fetch (OF), perform Operation (PO) and Write Operand (WO) stages. The IF, ID, OF and WO stages take 1 clock cycle each for any instruction. The PO stage takes 1 clock cycle for ADD and SUB instructions, 3 clock cycles for MUL instruction, and 6 clock cycles for DIV instruction respectively. Operand forwarding is used in the pipeline. What is the number of clock cycles needed to execute the following sequence of instructions? I0: ADD $t2, $t1, $t2 Il: DIV $t4, $t3, $t2 12: MUL $t6, $t5, $t4 Answer:
Transcribed Image Text:A 5-stage pipelined processor has instruction Fetch (IF), Instruction Decode (ID), Operand fetch (OF), perform Operation (PO) and Write Operand (WO) stages. The IF, ID, OF and WO stages take 1 clock cycle each for any instruction. The PO stage takes 1 clock cycle for ADD and SUB instructions, 3 clock cycles for MUL instruction, and 6 clock cycles for DIV instruction respectively. Operand forwarding is used in the pipeline. What is the number of clock cycles needed to execute the following sequence of instructions? I0: ADD $t2, $t1, $t2 Il: DIV $t4, $t3, $t2 12: MUL $t6, $t5, $t4 Answer:
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