a) By how much is the total execution time changed if the time for class D is reduced by 20% and the time for class C is increased by 10% (assuming no other changes)? b) If we want to reduce the total execution time by 20% by optimizing class A only, what is the arget execution time of class A instructions in order to achieve the reduction (assuming all other nstructions are not changed)? c) Can the total time be reduced by 25% if we only optimize class B? Use calculation to justify vour answer.

a) By how much is the total execution time changed if the time for class D is reduced by 20% and the time for class C is increased by 10% (assuming no other changes)? b) If we want to reduce the total execution time by 20% by optimizing class A only, what is the arget execution time of class A instructions in order to achieve the reduction (assuming all other nstructions are not changed)? c) Can the total time be reduced by 25% if we only optimize class B? Use calculation to justify vour answer.

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

See similar textbooks

Related questions

Q: In the following instruction sequence, select the values of the Carry, Zero and Sign flags where…

A: (a) CF=0, ZF=0, SF=0(b) CF=1, ZF=0, SF=1

Q: Let the processes P1, P2, P3, and P4 be given. They arrive in the system at the same time in this…

A: Answer is given below

Q: Question 1 (Task Scheduling Suppose that we have n tasks to schedule on a computer with a…

A: Hello student Greetings In the context of task scheduling, the problem involves scheduling a set…

Q: Computer A has an overall CPI of 1.3 and can be run at a clock rate of 600MHz. Computer B has a CPI…

A: To find out how many instructions the program needs when compiled for Computer B in order for the…

Q: When translating conditionals or loops, the generated low-level code contains jumps. For the CPU to…

A: i. Symbolic addresses allow code generators to generate code that is easier to read, understand, and…

Q: In the above, we had the three concurrent processes p1, p2 and p3, each with the number s1 = 2, s2 =…

A: According to the information given:- We have to follow the instruction to perform above task.

Q: For the scheduling method "Round Robin" (RR), specify the average execution time (average turnaround…

A: All the process arrive at same time in the sequence P1->P2->P3->P4. The time quantum time…

Q: How can we prevent a CPU from wasting time by trying to run too many programmes at once? How does…

A: In a modern computing system, the CPU is responsible for executing instructions and performing…

Q: The purpose of this project is to gain a greater understanding of the Intel 32-bit instruction set…

A: It is defined as a effective standard-motive programming language. It can be used to expand software…

Q: Question 1 A compiler produces a program with the following mix of instructions: Instruction Class…

Q: here are two compilers C1 and C2, from different companies. These two are used to create executables…

A: Given :- operating at 15MHZ instruction size of C1 = 150 and C2 = 171…

Q: have a program core consisting of five conditional branches. The program core will be executed…

A: Here, the prediction accuracy is calculated by 100% * (Correct Predictions/ Total Branches) a)…

Q: Consider the following execution on our system:…

A: A ) The process A is more interactive because it is getting chance for execution each time with…

Q: 3. The following table shows the execution times, in seconds, for three different benchmark programs…

A: Dear Student, The answer to your question is given below -

Q: instruction- Design, implement, and evaluate an algorithm to find the minimum data value in an array…

A: This program finds the least value in a 1,000-point random array. 1. Initialization: Set'min' to…

Q: A compiler produces a program with the following mix of instructions: Instruction Class Count 6 9 9…

A: We are given instructions count, CPI (Cycle per Instruction) and clock period. And we are asked to…

Q: the pictorial representation of the memory, starting from the first line of code and ending with the…

A: Understanding memory allocation and management is crucial when working with pointers in C++. In this…

Q: pe 1 instructions require 1 cycle to finish. pe 2 instructions require 4 cycles to finish. pe 3…

A: Introduction: The CPU executes instructions of different types that require varying amounts of time…

Q: 5-Consider a computer running a program that requires 400 s, with 80 s spent executing FP…

A: I solved only one question according to Bartleby policy.

Question

a) By how much is the total execution time changed if the time for class D is reduced by 20%
and the time for class C is increased by 10% (assuming no other changes)?
b) If we want to reduce the total execution time by 20% by optimizing class A only, what is the
arget execution time of class A instructions in order to achieve the reduction (assuming all other
nstructions are not changed)?
c) Can the total time be reduced by 25% if we only optimize class B? Use calculation to justify
vour answer.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Performance Equation

Solution a

Solution b

Solution c

Trending now

This is a popular solution!

Step by step

Solved in 4 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.

Similar questions

Convert the given code fragment to assembly code fragment, using only instructions of the following types. These instructions are generally discussed in class. Here X,Y,Z are any memory locations; R, R1, R2 are any general registers; L is a label in the code (you can use any names as labels, ex. L, L1, L2 etc. ). load X, R //copy contents of memory location X into R. store R, X //Store contents of R into Mem location X cmp R1, R2 //Compute R1-R2 and update condition codes; //throw away result of subtraction. jmp L //Jump to location L in the code. jmpp L //If P bit is 1, Jump to location L in the code add X, R //Add contents of X,R and store result in R; //Also update the condition codes. Be careful about what type of argument is allowed in the instruction (Memory or Register). Ex. the first argument of ADD instruction is memory, not register. Do Not…
please do all the steps
Compare compilers A and B for a program, where compiler A results in a dynamic instruction count of 6.9x10^9 and an execution time of 5 seconds, and compiler B results in a dynamic instruction count of 5.1x10^9 and an execution time of 4 seconds. a. Find the average CPI for each program, given a processor clock cycle time of 2 ns. b. If the compiled programs run on two different processors with the same execution times, what is the relative speed of the processor clocks?
So many programs need to be run, but how can we prevent the CPU from doing so? What happens to the viability of this strategy if certain required resources are not available? What's one of the knock-on effects that might result from it?
Can you please help me with this problem and the parts that come with it, can you please do this step by step and can you label the parts as well.
Using a better optimizing compiler is most likely to result in which one of the following improvements? Group of answer choices a) A lower CPI for ALU instructions b) Fewer ALU instructions being executed c) A faster clock frequency
Q3: Suppose there is a processing unit composed by CPU and I/O component. For a specific task, CPU takes 5 second to finish the execution and I/O takes 2 second to process. The communication time between CPU and I/O can be elimiate under this circumstance. Execution Time 7 second 5second 2 second CPU time I/O time If CPU time decreases by 25% per year for 3 years and I/O time decreases by 20% per year 1) How many times faster is this program after 3 years? 2) What percentage of new time is I/O? and what percentage of new time is CPU?
E In the following code block(Reference:Q11), you will a set of assembly instructions with corresponding line numbers (line numbers are for informational purpose only and they are not part of the source code). 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 mov edx, 5 dec ecx jmp LABEL1 mov eax, 1 LABEL1: mul edx jmp ecx mov edx, 0678h sub edx, eax jmp DWORD PTR [edx] neg ebx add ecx, ebx mov eax, 0 For each of the conditions/scenario listed below, indicate the corresponding line number (that cause or is associated with the condition/scenario). Enter 0 (Zero) if the condition is not caused by the block of code. 1) Memory indirect jump: type your answer... type your answer... type your answer... type your answer... 2) Register indirect jump: 3) Relative short jump: type your answer... 5) Two's complement type your answer... 4) Relative near jump: 6) Unreachable code