a) What is the total number of RAW dependencies?- Ans: b) What is the total number of WAR dependencies?- Ans: c) What is the total number of WAW dependencies?- Ans: d) What is the total number of clock cycles needed to execute these instructions correctly when there is no forwarding hardware present?-- Ans: e) What is the total number of clock cycles needed to execute these instructions correctly when there is a forwarding hardware present?-- Ans:

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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1. Consider that my pipeline architecture has 5 stages: F, D, E, M, W. It has reached a steady
state, generating a CPI = 1. I encountered the following five consecutive instructions in my
code.
Id
x12, 16(x11)
x11, x12, 5
addi
add
x13, x11, x12
addi
x14, x11, 15
add
x15, x13, x12
Assuming that each of the five stages of these instructions take exactly 1 clock cycle. Answer
the following.
a) What is the total number of RAW dependencies?-
Ans:
b) What is the total number of WAR dependencies?-
Ans:
c) What is the total number of WAW dependencies?--
Ans:
d) What is the total number of clock cycles needed to execute these instructions correctly
when there is no forwarding hardware present?--
Ans:
e) What is the total number of clock cycles needed to execute these instructions correctly
when there is a forwarding hardware present?--
Ans:
Transcribed Image Text:1. Consider that my pipeline architecture has 5 stages: F, D, E, M, W. It has reached a steady state, generating a CPI = 1. I encountered the following five consecutive instructions in my code. Id x12, 16(x11) x11, x12, 5 addi add x13, x11, x12 addi x14, x11, 15 add x15, x13, x12 Assuming that each of the five stages of these instructions take exactly 1 clock cycle. Answer the following. a) What is the total number of RAW dependencies?- Ans: b) What is the total number of WAR dependencies?- Ans: c) What is the total number of WAW dependencies?-- Ans: d) What is the total number of clock cycles needed to execute these instructions correctly when there is no forwarding hardware present?-- Ans: e) What is the total number of clock cycles needed to execute these instructions correctly when there is a forwarding hardware present?-- Ans:
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