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Problem: Assume that 20 percent of the dynamic count of the instructions executed for a program are branch instructions. There are no pipeline stalls due to data dependencies. Static branch prediction is used with a not-taken assumption. (a) Determine the execution times for two cases: when 30 percent of the branches are taken, and when 70 percent of the branches are taken. (b) Determine the speedup for one case relative to the other. Express the speedup as a percentage relative to 1.

Problem: Assume that 20 percent of the dynamic count of the instructions executed for a program are branch instructions. There are no pipeline stalls due to data dependencies. Static branch prediction is used with a not-taken assumption. (a) Determine the execution times for two cases: when 30 percent of the branches are taken, and when 70 percent of the branches are taken. (b) Determine the speedup for one case relative to the other. Express the speedup as a percentage relative to 1.

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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Problem: Assume that 20 percent of the dynamic count of the instructions executed for a program are branch instructions. There are no pipeline stalls due to data dependencies. Static branch prediction is used with a not-taken assumption. (a) Determine the execution times for two cases: when 30 percent of the branches are taken, and when 70 percent of the branches are taken. (b) Determine the speedup for one case relative to the other. Express the speedup as a percentage relative to 1.
Transcribed Image Text:Problem: Assume that 20 percent of the dynamic count of the instructions executed for a program are branch instructions. There are no pipeline stalls due to data dependencies. Static branch prediction is used with a not-taken assumption. (a) Determine the execution times for two cases: when 30 percent of the branches are taken, and when 70 percent of the branches are taken. (b) Determine the speedup for one case relative to the other. Express the speedup as a percentage relative to 1.
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