Consider the execution of the following MIPS code on a pipelined processor with a 5- 5-stage pipeline. This pipeline has MEM/WB forwarding only, a predict taken branch predictor, and branch completion in the MEM stage. lw $s5, 0($s3) label1: beq $s5, $s4, label2 # not taken once, then taken lw $s2, 0($s5) beq $s2, $s4, label1 #taken add $s3, $s2, $s3 label2: sw $s3, 0($s5) Draw the pipeline execution diagram for this code. How many cycles are needed? Include all cycles from fetching the lw $s5 through the completion of the last instruction executed.
Consider the execution of the following MIPS code on a pipelined processor with a 5- 5-stage pipeline. This pipeline has MEM/WB forwarding only, a predict taken branch predictor, and branch completion in the MEM stage. lw $s5, 0($s3) label1: beq $s5, $s4, label2 # not taken once, then taken lw $s2, 0($s5) beq $s2, $s4, label1 #taken add $s3, $s2, $s3 label2: sw $s3, 0($s5) Draw the pipeline execution diagram for this code. How many cycles are needed? Include all cycles from fetching the lw $s5 through the completion of the last instruction executed.
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
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Consider the execution of the following MIPS code on a pipelined processor with a 5- 5-stage pipeline. This pipeline has MEM/WB forwarding only, a predict taken branch predictor, and branch completion in the MEM stage.
lw $s5, 0($s3)
label1: beq $s5, $s4, label2 # not taken once, then taken
lw $s2, 0($s5)
beq $s2, $s4, label1 #taken
add $s3, $s2, $s3
label2: sw $s3, 0($s5)
Draw the pipeline execution diagram for this code. How many cycles are needed? Include all cycles from fetching the lw $s5 through the completion of the last instruction executed.
Transcribed Image Text:Cycle IF
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