Suppose a process is responsible for YZ% of the execution time on a machine. Using a particularhardware will speed up the process by a factor of 20. An alternative solution is responsible for a total of50% of the execution time. Compare these two design alternatives.Here, Y-First digit of your roll number, and Z-Second digit of your roll number.For example, if roll number is 2012-CS-427, then YZ-42

Given a process takes up YZ% of execution time on a machine. where Y=First digit of your roll…

Answered: Suppose a process is responsible for…

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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Consider a computer running a program that requires 250 seconds, where 70 seconds is spent executing FP instructions, 55 seconds for INT operations, 85 seconds for load/save operations, and 40 seconds for branch instructions. By how much is the time for INT operations reduced if the total time is reduced by 20%?
Please help with implementing the Banker's algorithm for deadlock avoidance, that works on a given set of N processes and M resource types (N<10,M<10). Use Java for the implementation, with a simple text interface, where the user enters only the name of the input file (text only). The program reads all the necessary input data from that file. The input data and result is then displayed on the screen. Please help by using BACKTRACKING and find all solutions Subject: Java Programming
Consider the FIVE (5)process with their CPU burst time and arrival time. Process Arrival Time CPU burst time P0 0 1 P1 2 3 P2 1 4 P3 1 3 P4 3 2 Based on the above data, answer the following Draw a time line for the following algorithm: Shortest Job First (SJF) Shortest Remaining Time (SRT)
Consider a group of 5 benchmarks. With an old generation of CPU in the 90s, the execution times of these benchmarks were 10 minutes, 16 minutes, 4 minutes, 1 minute and 8 minutes. With a new generation of CPU in 2020, the execution time of these benchmarks are 5 minutes, 2 minutes, 2 minutes, 15 seconds and 1 minutes. What is the average speedup of the new CPU (comparing to the old CPU)? Note that, you need to determine whether arithmetic mean or geometric mean should be used here.
In the event of a CPU interruption, the subsequent task may be executed. Do we really need to put off the execution? Rather than worrying about the details, why don't we simply go through with the procedure?
Consider a program that performs the following steps repeatedly: Use the CPU for 4 milliseconds. By issuing an I/O, use the disk for 14 milliseconds. Use the CPU for 10 milliseconds. By issuing an I/O, use network for 18 milliseconds. Assume that each step depends on data obtained from the previous step (e.g., step 3 cannot start before step 2 is completed. Also assume that each resource (CPU or disk or network) can be used by one process at a time. Answer the following questions: (a) Draw 3 time-line diagrams (horizontal axis is the time line; one line for each resource. That is, 3 parallel rows in the resulted figure.) that illustrate the utilizations of the CPU, disk, and network over the execution of two iterations of the program above by a single process. (b) What are the average utilizations of the CPU, disk and network over these two iterations? (Please note that the “total time” should be the same across all resources, from the entire system starts until all work on any…
Write a MARIE assembly program that implements the below Pseudocode:z=0 Input x If x=0 X=x+3 Input y If y>0 z=x*y Print z . For example, if the entered values are 9 and 5, then the output should be 45.N.B: You should include the MARIE code in your Answer (not a screenshot!), with an explanation of your code. Example: Add One /Add 1 to AC Add a screenshot of the simulation, showing the result (A screenshot of the MARIE Simulator window after running the program). Instructions: Use “ORG” instruction to start your program at address equivalent to 51210. Use x = 5 and y = 5 Do not forget to change the representation of the Input and Output windows in the simulator to Decimal. You should include the proper labels and directives at the end of your program.
Simulated annealing requires a very small amount of memory, just enough to store two states: the current state and the proposed next state. Suppose we had enough memory to hold two million states. Propose a modification to simulated annealing that makes productive use of the additional memory. In particular, suggest something that will likely perform better than just running simulated annealing a million times consecutively with random restarts. [Note: There are multiple correct answers here.]
A process loop, or machine cycle, consists of the following four subcomponents. In what ways do machine cycles matter the most? Is it necessary to replace worn or broken machine components throughout a cycle? How about creating another module to solve the issue of swapping?
How can we prevent CPUs from wasting time multitasking? Without such money, how can we implement this plan? Show a sample result.
Computer A has an overall CPI of 1.3 and can be run at a clock rate of 600MHz.Computer B has a CPI of 2.5 and can be run at a clock rate of 750 Mhz. Wehave a particular program we wish to run. When compiled for computer A, thisprogram has exactly 100,000 instructions. How many instructions would theprogram need to have when compiled for Computer B, in order for the twocomputers to have exactly the same execution time for this program?
Consider a machine with three instruction classes and CPI measurements as follows: Instruction class CPI of the instruction class A 2 B 5 C 7 Suppose that we measured the code for a given program in two different compilers and obtained the following data: Code sequence Instruction counts (in millions) A B C 1 15 5 3 2 25 2 2 Assume that the machine’s clock rate is 500 MHz. Which code sequence will execute faster according to MIPS? How much according to execution time of each code sequence?

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