Consider the given code below and the clock cycles. Identify all RAW dependencies. loop : lw $ f0 , ( $t0 ) lw $ f2 , ( $t1 ) add.d $ f4 , $ f0 , $ f 2 mul.d $ f4 , $ f4 , $ f 6 sw $ f4 , ( $t2 ) addi $t0 , $t0 , 8 addi $t1 , $t1 , 8 subi $t3 , $t3 , 1 bnez $t3 , loop Lw and store—takes 2 clock cycles add.d takes 4 clock cycles mul.d takes 6 clock cycles addi and subi takes 0 clock cycles bnez takes 1 clock cycles
Consider the given code below and the clock cycles. Identify all RAW dependencies. loop : lw $ f0 , ( $t0 ) lw $ f2 , ( $t1 ) add.d $ f4 , $ f0 , $ f 2 mul.d $ f4 , $ f4 , $ f 6 sw $ f4 , ( $t2 ) addi $t0 , $t0 , 8 addi $t1 , $t1 , 8 subi $t3 , $t3 , 1 bnez $t3 , loop Lw and store—takes 2 clock cycles add.d takes 4 clock cycles mul.d takes 6 clock cycles addi and subi takes 0 clock cycles bnez takes 1 clock cycles
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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Question
Consider the given code below and the clock cycles. Identify all RAW dependencies.
loop :
lw $ f0 , ( $t0 )
lw $ f2 , ( $t1 )
add.d $ f4 , $ f0 , $ f 2
mul.d $ f4 , $ f4 , $ f 6
sw $ f4 , ( $t2 )
addi $t0 , $t0 , 8
addi $t1 , $t1 , 8
subi $t3 , $t3 , 1
bnez $t3 , loop
Lw and store—takes 2 clock cycles add.d takes 4 clock cycles mul.d takes 6 clock cycles addi and subi takes 0 clock cycles bnez takes 1 clock cycles |
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