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julia-pushkina [17]
3 years ago
10

Suppose an instruction takes 4 cycles to execute in an unpipelined CPU: one cycle to fetch the instruction, one cycle to decode

the instruction and fetch any operands, one cycle to perform the ALU operation, and one cycle to store the result. In a CPU with a 4 stage pipeline, that instruction still takes 4 cycles to execute, so how can we say the pipeline speeds up the execution of the program?
Computers and Technology
1 answer:
Korolek [52]3 years ago
8 0

Answer: Instruction pipelining is a technique for implementing instruction level.

Pipeline speeds up the execution of a program by increasing the Central Processing Unit throughout (Number of instructions completed per unit time). The increase in instruction throughput means that a program will run faster with a lower total execution time.

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Answer:

Below is the program TwoSmallest.java with each step explanation in form of comments.

public class TwoSmallest {                     // class definition

//main class having string args as a parameter

   public static void main(String[] args)

{ if (args.length < 2)

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else {  

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               double temp = min1;

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           for (int i = 2; i < args.length; i++) {

               num = Double.parseDouble(args[i]);

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                   min2 = min1;

                   min1 = num;

               } else if (num < min2) {

                   min2 = num;

               }

           }

//min1 will give the 1st minimum number and min2 will give 2nd minimum.

           System.out.println(min1);

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