'Shortest job first' presentation slideshows

Processor Scheduling

Processor Scheduling. Scheduling is the activity of selecting the next Job / Process / Request to be handled by a Server/CPU. Preemption Scheduling : A request being processed is preempted in order to provide service to other requests in the system.

1.5k views • 129 slides

Staged Memory Scheduling

Staged Memory Scheduling. Rachata Ausavarungnirun , Kevin Chang, Lavanya Subramanian, Gabriel H. Loh *, Onur Mutlu Carnegie Mellon University, *AMD Research June 12 th 2012. Executive Summary.

738 views • 60 slides

Operating Systems

Fwd. Left. Right. Back. Operating Systems. Allow the processor to perform several tasks at virtually the same time Ex. Web Controlled Car with a camera Car is controlled via the internet Car has its own webserver ( http://mycar/ )

569 views • 50 slides

Scheduling

663 views • 50 slides

Principles of Operating Systems: Design & Applications

Principles of Operating Systems: Design & Applications. Chapter 5 Principles of Process Management. Objectives. understand what a process is and how it differs from a program understand how the process table and process state are used to represent and manage processes

692 views • 47 slides

Scheduling

Scheduling. The art and science of allocating the CPU and other resources to processes (Slides include materials from Operating System Concepts , 7 th ed., by Silbershatz, Galvin, & Gagne and from Modern Operating Systems , 2 nd ed., by Tanenbaum). Why Scheduling?.

654 views • 47 slides

Operating Systems

Operating Systems. Certificate Program in Software Development CSE-TC and CSIM, AIT September -- November, 2003. Objectives examine and compare some of the common CPU scheduling algorithms. 7. CPU Scheduling (Ch. 5, S&G). ch 6 in the 6th ed. Contents. 1. CPU Scheduling

591 views • 42 slides

Introduction to Queueing Theory

Introduction to Queueing Theory. Math 319 Prof. Andrew Ross Eastern Michigan University. What is Queueing Theory?. A queue = a line of people or things waiting to be served Queueing Theory: ways of predicting how long the line or the wait will be, or deciding on how many servers to have

577 views • 31 slides

OPERATING SYSTEM

OPERATING SYSTEM. LESSON 7. SCHEDUL I NG.

527 views • 31 slides

CPU Scheduling

CPU Scheduling. Schedulers. Process migrates among several queues Device queue, job queue, ready queue Scheduler selects a process to run from these queues Long-term scheduler: load a job in memory Runs infrequently Short-term scheduler: Select ready process to run on CPU Should be fast

521 views • 29 slides

CPU Scheduling

551 views • 29 slides

473 Quiz

473 Quiz. Assuming 4kB to save information about one function call, what is the largest integer whose factorial can be calculated by a recursive program whose address space is 4MB in size? Ignore space occupied by code segment. factorial(n) = n ? factorial(n ? 1), n > 1 factorial(1) = 1

347 views • 20 slides

Lecture Topics: 11/15

Lecture Topics: 11/15. CPU scheduling: Scheduling goals and algorithms. Review: Process State. A process can be in one of several states (new, ready, running, waiting, terminated). The OS keeps track of process state by maintaining a queue of PCBs for each state.

299 views • 20 slides

Tutorial 4

Tutorial 4. Scheduling. Why do we need scheduling?. To manage processes according to requirements of a system, like: User responsiveness or Throughput Performance of a scheduler is determined mainly by: Context switch time Scheduling policy. 1, 2, 3, 4, 5, 6, Context Switch!.

262 views • 14 slides

CPU Scheduling Algorithms Simulation using Java

CPU Scheduling Algorithms Simulation using Java . Kaushal Sinha CSC 4320 Spring 2007. CPU Scheduling Algorithms Simulation using Java. Implemented the following Scheduling algorithms First Come First Serve (FCFS) Round Robin Shortest Job First Shortest Remaining Time.

196 views • 13 slides

Operating System

540 views • 13 slides

Chapter 7 Scheduling

302 views • 12 slides

CGS 3763 Operating Systems Concepts Spring 2013

CGS 3763 Operating Systems Concepts Spring 2013. Dan C. Marinescu Office: HEC 304 Office hours: M- Wd 11:30 - 12:30 A M. Last time: Pthreads Java threads CPU scheduling Today: Answers to student question from past week CPU Scheduling Next time Midterm

192 views • 8 slides