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Computer Engineering
Assume a 5-stage pipelined CPU (IF sections: ID - MU- EX WR) requires following time for different Pipeline stages Fetch Unit Required time 15 ns Decode Unit 10 ns Memory Unit Execution Unit 20 ns 8 ns Write back Unit 15 ns The maximum delay required to transfer contents from one state to another is 2ns. a) Show the time steps of pipelining stages for the first 10 instructions of a program. Assume that Instruction-4 is a conditional loop instruction. If the condition is TRUE, CPU runs instructions: 7 - 9 twice. Please note that a single-port RAM is used with the system, such that CPU read only one data from RAM or save only one data to RAM at a time. Calculate the execution time for the first 10 instructions of a program as well.

Assume a 5-stage pipelined CPU (IF sections: ID - MU- EX WR) requires following time for different Pipeline stages Fetch Unit Required time 15 ns Decode Unit 10 ns Memory Unit Execution Unit 20 ns 8 ns Write back Unit 15 ns The maximum delay required to transfer contents from one state to another is 2ns. a) Show the time steps of pipelining stages for the first 10 instructions of a program. Assume that Instruction-4 is a conditional loop instruction. If the condition is TRUE, CPU runs instructions: 7 - 9 twice. Please note that a single-port RAM is used with the system, such that CPU read only one data from RAM or save only one data to RAM at a time. Calculate the execution time for the first 10 instructions of a program as well.

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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Assume a 5-stage pipelined CPU (IF – ID – MU- EX – WR) requires following time for different sections: Required time 15 ns Pipeline stages Fetch Unit Decode Unit 10 ns 20 ns Memory Unit Execution Unit 8 ns 15 ns Write back Unit The maximum delay required to transfer contents from one state to another is 2ns. a) Show the time steps of pipelining stages for the first 10 instructions of a program. Assume that Instruction-4 is a conditional loop instruction. If the condition is TRUE, CPU runs instructions: 7 - 9 twice. Please note that a single-port RAM is used with the system, such that CPU read only one data from RAM or save only one data to RAM at a time. Calculate the execution time for the first 10 instructions of a program as well. b) Show the time steps and calculate the execution time for above problem while a multiport RAM is used with the system.
Transcribed Image Text:Assume a 5-stage pipelined CPU (IF – ID – MU- EX – WR) requires following time for different sections: Required time 15 ns Pipeline stages Fetch Unit Decode Unit 10 ns 20 ns Memory Unit Execution Unit 8 ns 15 ns Write back Unit The maximum delay required to transfer contents from one state to another is 2ns. a) Show the time steps of pipelining stages for the first 10 instructions of a program. Assume that Instruction-4 is a conditional loop instruction. If the condition is TRUE, CPU runs instructions: 7 - 9 twice. Please note that a single-port RAM is used with the system, such that CPU read only one data from RAM or save only one data to RAM at a time. Calculate the execution time for the first 10 instructions of a program as well. b) Show the time steps and calculate the execution time for above problem while a multiport RAM is used with the system.
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