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lw $t1, 0($12) sw $t1, 4($t3) lw $t2, 4($t3) addi $t1,$t1, 4 add $t1, $t3, $0 or $13, $t1, $12 sw $t3, 4($t1)

lw $t1, 0($12) sw $t1, 4($t3) lw $t2, 4($t3) addi $t1,$t1, 4 add $t1, $t3, $0 or $13, $t1, $12 sw $t3, 4($t1)

Operations Research : Applications and Algorithms
Operations Research : Applications and Algorithms
4th Edition
ISBN:9780534380588
Author:Wayne L. Winston
Publisher:Wayne L. Winston
Chapter20: Queuing Theory
Section20.10: Exponential Queues In Series And Open Queuing Networks
Problem 8P
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lw $t1, 0($12) sw $t1, 4($t3) lw $t2, 4($t3) addi $t1,$t1, 4 add $t1, $t3, $0 or $13, $t1,$t2 sw $t3, 4($t1) a. Assume 5-stage pipelining and no forwarding mechanism. If each stage takes 1 clock cycle to complete, calculate with execution time (in cycles) for the completion of whole program. Determine how many times the processor stalls and how long is each stalls (in terms of clock cycles). [8 Marks] b. Assume 5-stage pipelining with full forwarding mechanism. If each stage takes 1 clock cycle to complete, calculate with execution time (in cycles) for the completion of whole program. Determine how many times the processor stalls and how long is each stalls (in terms of clock cycles). [8 Marks] c. Assume 5-stage pipelining with full forwarding mechanism. Write the program [4 Marks] with nops to eliminate the hazards.
Transcribed Image Text:lw $t1, 0($12) sw $t1, 4($t3) lw $t2, 4($t3) addi $t1,$t1, 4 add $t1, $t3, $0 or $13, $t1,$t2 sw $t3, 4($t1) a. Assume 5-stage pipelining and no forwarding mechanism. If each stage takes 1 clock cycle to complete, calculate with execution time (in cycles) for the completion of whole program. Determine how many times the processor stalls and how long is each stalls (in terms of clock cycles). [8 Marks] b. Assume 5-stage pipelining with full forwarding mechanism. If each stage takes 1 clock cycle to complete, calculate with execution time (in cycles) for the completion of whole program. Determine how many times the processor stalls and how long is each stalls (in terms of clock cycles). [8 Marks] c. Assume 5-stage pipelining with full forwarding mechanism. Write the program [4 Marks] with nops to eliminate the hazards.
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