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Computer Engineering
Compilers usually have a profound impact on the performance of an application. Assume that for a program, compiler A results in an instruction count of 1.0E9 and has an execution time of 1.1 s, while compiler B results in an instruction count of 1.2E9 and an execution time of 1.5 s. 1. Find the average CPI for each program given that the processor has a clock cycle time of ns. 2. Assume the compiled programs run on two different processors. If the execution times on the two processors are the same, how much faster is the clock of the processor running compiler A's code versus the clock of the processor running compiler B's code? 3. A new compiler is developed that uses only 6.0E8 instructions and has an average CPI of 1.1. What is the speedup of using this new compiler versus using compiler A or B on the original processor?

Compilers usually have a profound impact on the performance of an application. Assume that for a program, compiler A results in an instruction count of 1.0E9 and has an execution time of 1.1 s, while compiler B results in an instruction count of 1.2E9 and an execution time of 1.5 s. 1. Find the average CPI for each program given that the processor has a clock cycle time of ns. 2. Assume the compiled programs run on two different processors. If the execution times on the two processors are the same, how much faster is the clock of the processor running compiler A's code versus the clock of the processor running compiler B's code? 3. A new compiler is developed that uses only 6.0E8 instructions and has an average CPI of 1.1. What is the speedup of using this new compiler versus using compiler A or B on the original processor?

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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Can you please help me with this problem and the parts that come with it, can you please do this step by step and can you label the parts as well.

Compilers usually have a profound impact on the performance of an application. Assume that for a program, compiler A results in an instruction count of 1.0E9 and has an execution time of 1.1 s, while compiler B results in an instruction count of 1.2E9 and an execution time of 1.5 s. 1. Find the average CPI for each program given that the processor has a clock cycle time of 1 ns. 2. Assume the compiled programs run on two different processors. If the execution times on the two processors are the same, how much faster is the clock of the processor running compiler A's code versus the clock of the processor running compiler B's code? 3. A new compiler is developed that uses only 6.0E8 instructions and has an average CPI of 1.1. What is the speedup of using this new compiler versus using compiler A or B on the original processor?
Transcribed Image Text:Compilers usually have a profound impact on the performance of an application. Assume that for a program, compiler A results in an instruction count of 1.0E9 and has an execution time of 1.1 s, while compiler B results in an instruction count of 1.2E9 and an execution time of 1.5 s. 1. Find the average CPI for each program given that the processor has a clock cycle time of 1 ns. 2. Assume the compiled programs run on two different processors. If the execution times on the two processors are the same, how much faster is the clock of the processor running compiler A's code versus the clock of the processor running compiler B's code? 3. A new compiler is developed that uses only 6.0E8 instructions and has an average CPI of 1.1. What is the speedup of using this new compiler versus using compiler A or B on the original processor?
Expert Solution
Step 1: Calculate Part 1

1)

Computer Engineering homework question answer, step 1, image 1

Execution time of compiler A=CPU time of compiler A=1.1 s

Execution time of compiler B=CPU time of compiler B =1.5 s

The formula for calculating the CPI,

Computer Engineering homework question answer, step 1, image 2

CPI for compiler B,

Computer Engineering homework question answer, step 1, image 3

steps

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