'Context switching' presentation slideshows

Operating System Design - Linux

Operating System Design - Linux. Instructor: Ching-Chi Hsu TA:Yung-Yu Chuang. Introduction to Linux (Nov. 1991, Linus Torvalds). Multi-tasking Demand loading & Copy On Write Paging (not swapping) Shared Libraries POSIX 1003.1 Protected Mode

1.44k views • 122 slides

Chapter 6 Processes and Operating Systems

Chapter 6 Processes and Operating Systems. ????? ?????????? (Slides are taken from the textbook slides). Overview. Processes Context switching Operating systems Scheduling policies Interprocess communication Evaluation and optimization Design example: telephone answering machine.

1.69k views • 111 slides

Software for embedded multiprocessors

Software for embedded multiprocessors. Introduction on embedded OS Code parallelization Interprocessor communication Task allocation Power management. Introduction on embedded operating systems. OS Overview. Kernel, device drivers, boot loader, user interface, file system and utilies

1.04k views • 86 slides

Processes and operating systems

Processes and operating systems. Motivation for processes. The process abstraction. Context switching. Multitasking. Processes and UML. Why multiple processes?. Processes help us manage timing complexity: multiple rates multimedia automotive asynchronous input user interfaces

1.12k views • 84 slides

Shadow: Simple HPC for Systems Security Research

Shadow: Simple HPC for Systems Security Research. Invited Talk Kansas State University September 25 th , 2013. Rob Jansen U.S. Naval Research Laboratory rob.g.jansen@nrl.navy.mil. Outline. Experimentation Ideology Shadow and its Design Use case: Overview: the Distributed Tor Network

637 views • 56 slides

Process Scheduling

Process Scheduling. Chapter 5. Introduction. Policy and implementation Objectives: Fast response time High throughput (turnaround time) Avoidance of process starvation Context switching is expensive

686 views • 55 slides

Operating Systems Lecture 3: Process Scheduling Algorithms

Operating Systems Lecture 3: Process Scheduling Algorithms. Maxim Shevertalov Jay Kothari William M. Mongan. CPU Scheduling. How is the OS to decide which of several tasks to take off a queue? Scheduling: deciding which threads are given access to resources from moment to moment.

746 views • 48 slides

A Study On Different 32 And 16-bit Processors For Low-Earth Orbit Space Applications

447 views • 33 slides

CHAPTER 4 - PROCESSES and CHAPTER 5 - THREADS

459 views • 32 slides

A Flexible Multi-Core Platform For Multi-Standard Video Applications

A Flexible Multi-Core Platform For Multi-Standard Video Applications. MPSoC 2009 Savannah, Georgia, USA. Soo-Ik Chae Center for SoC Design Technology Seoul National University. Content. Motivation Proposed multi-core platform architecture RISC cluster Hardware operating system kernel

517 views • 32 slides

Review

Review. Hardware Support for OS What happens on an interrupt / an exception/ a system call Operating System Architectures monolithic microkernel virtual machine. Outline. An OS in action Processes and Programs A day in the life of a process CPU scheduling.

405 views • 29 slides

Threads

Threads. Announcements. Last time we discussed how processes can be independent or work cooperatively Cooperating processes can be used: to gain speedup by overlapping activities or working in parallel to better structure an application as set of cooperating processes

419 views • 29 slides

Threads

Threads. CS 6560: Operating Systems Design. Threads. Thread of execution: stack + registers (which includes the PC) Informally: where an execution stream is currently at in the program and the routine call chain that brought the stream to the current place

373 views • 25 slides

Task-Switching

343 views • 25 slides

Processes and operating systems

Processes and operating systems. Motivation for processes. The process abstraction. Context switching. Multitasking. Processes and UML. Why multiple processes?. Processes help us manage timing complexity: multiple rates multimedia automotive asynchronous input user interfaces

413 views • 24 slides

Concurrency Issues

329 views • 18 slides

Operating Systems CMPSC 473

Operating Systems CMPSC 473. Processes (6) September 24 2008 - Lecture 12 Instructor: Bhuvan Urgaonkar. Announcements. Quiz 1 is out and due in at midnight next M Suggested reading: Chapter 4 of SGG Honors credits Still possible to enroll Email me if you are interested

273 views • 14 slides

Processes

Processes. Chapter 3. Processes in Distributed Systems. Processes and threads Introduction to threads Distinction between threads and processes Threads in distributed systems Clients/servers Code migration Motivation and models Migration in heterogeneous systems. Processes.

292 views • 11 slides

Context Switching in pdp/unix savu() retu()

? 25 ? : Context Switching in pdp / unix , savu () retu (). Context Switching in pdp/unix savu() retu(). savu( ) SP,EP. sh vi sim. CPU R0 R1 | S P E P. PAR PDR. a.out j u-stack. a.out k u-stack. a.out i u-stack. user

231 views • 9 slides

Problem 20: MP3 mapped on NoC-based MPSoC

SI l. SI r. Problem 20: MP3 mapped on NoC-based MPSoC. ?. ?. RQ l. RO l. AA l. HS l. FI l. ?. ?. ?. ?. ?. ?. ?. ?. ?. ?. ?. ?. ?. ?. ?. ?. ?. H. S. WB. ?. ?. ?. ?. ?. ?. ?. ?. ?. ?. ?. RQ r. RO r. AA r. HS r. FI r. ?. ?. ?. ?. ?. ?. ?. ?. ?. ?.

160 views • 7 slides