Q5: Compute the run time of the following program Line No 1 2 3 4 56 Interpretation Initialization A Label; not an instruction Lines 1-6 are a FOR LOOP Program Instructions Index = 0 Label: Start If Index < 1000,000,000 then Index; Sum = Sum + Index Index + 1; Number of cycles per instruction 1 cycle 0 cycle 2 cycle 1 cycle 1 cycle
Q5: Compute the run time of the following program Line No 1 2 3 4 56 Interpretation Initialization A Label; not an instruction Lines 1-6 are a FOR LOOP Program Instructions Index = 0 Label: Start If Index < 1000,000,000 then Index; Sum = Sum + Index Index + 1; Number of cycles per instruction 1 cycle 0 cycle 2 cycle 1 cycle 1 cycle
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Transcribed Image Text:Q5: Compute the run time of the following program
Line No
1
2
3
4
5
6
7
Interpretation
Initialization
A Label; not an
instruction
C.
Lines 1-6 are a FOR
LOOP
Program Instructions
Index = 0
Label: Start
If Index < 1000,000,000 then
Index;
End
Sum = Sum +
Index = Index + 1;
GoTo Label
a. Find the no of cycles required for the First iteration of the For loop.
Note you have to include the cycle count of Initialization.
b. What is the total number of cycles used by the above program?
Number of cycles per
instruction
1 cycle
O cycle
2 cycle
1 cycle
1 cycle
1 cycle
Calculate the time taken by above program in nano seconds for 1 Ghz, 2 GHz and 500 MHz
CPUs?
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