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1) Suppose that the following MIPS code fragment is given for adding two 64-element vectors: * a[0] - b[0] + c[0] $t3, 0($t1) $t4, 0($t2) $t4, $t3, $t4 $t4, 0($t0) lw lw add * a[1] - b[1] + c[1] $t3, 4($t1) $t4, 4($t2) $t4, $t3, $t4 lw 1w add SW $t4, 4(St0) * ...Repeat for elements 2 through 62... * a[63] - b[63] + c[63) $t3, 252($t1) $t4, 252($t2) $t4, $t3, St4 $t4, 252($t0) 1w add Assume that data transfer instructions require 3 clock cycles; all other instructions need 1 clock cycle; the clock cycle time is 2ns. a. What is the CPI for each program?

1) Suppose that the following MIPS code fragment is given for adding two 64-element vectors: * a[0] - b[0] + c[0] $t3, 0($t1) $t4, 0($t2) $t4, $t3, $t4 $t4, 0($t0) lw lw add * a[1] - b[1] + c[1] $t3, 4($t1) $t4, 4($t2) $t4, $t3, $t4 lw 1w add SW $t4, 4(St0) * ...Repeat for elements 2 through 62... * a[63] - b[63] + c[63) $t3, 252($t1) $t4, 252($t2) $t4, $t3, St4 $t4, 252($t0) 1w add Assume that data transfer instructions require 3 clock cycles; all other instructions need 1 clock cycle; the clock cycle time is 2ns. a. What is the CPI for each program?

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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1) Suppose that the following MIPS code fragment is given for adding two 64-element vectors: (olo + lola - (o]e $t3, 0($t1) $t4, 0($t2) St4, $t3, St4 $t4, 0($t0) lw 1w add * a[1] - b[1] + c[1] $t3, 4($t1) $t4, 4($t2) $t4, $t3, $t4 $t4, 4($t0) lw lw add * ...Repeat for elements 2 through 62... * a[63] - b[63] + c[63] $t3, 252($t1) $t4, 252 ($t2) $t4, $t3, $t4 lw add Sw $t4, 252($t0) Assume that data transfer instructions require 3 clock cycles; all other instructions need 1 clock cycle; the clock cycle time is 2ns. a. What is the CPI for each program?
Transcribed Image Text:1) Suppose that the following MIPS code fragment is given for adding two 64-element vectors: (olo + lola - (o]e $t3, 0($t1) $t4, 0($t2) St4, $t3, St4 $t4, 0($t0) lw 1w add * a[1] - b[1] + c[1] $t3, 4($t1) $t4, 4($t2) $t4, $t3, $t4 $t4, 4($t0) lw lw add * ...Repeat for elements 2 through 62... * a[63] - b[63] + c[63] $t3, 252($t1) $t4, 252 ($t2) $t4, $t3, $t4 lw add Sw $t4, 252($t0) Assume that data transfer instructions require 3 clock cycles; all other instructions need 1 clock cycle; the clock cycle time is 2ns. a. What is the CPI for each program?
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