'Page frame' diaporamas de présentation

Chapter 12: Virtual Memory

856 views • 74 slides

759 views • 65 slides

Virtual Memory

693 views • 59 slides

Chapter 3 Memory Management: Virtual Memory

Chapter 3 Memory Management: Virtual Memory. Understanding Operating Systems, Fourth Edition. Objectives. You will be able to describe:

683 views • 50 slides

Understanding Operating Systems Fifth Edition

Understanding Operating Systems Fifth Edition. Chapter 3 Memory Management: Virtual Memory. Introduction. Evolution of virtual memory Paged, demand paging, segmented, segmented/demand paging Foundation for current virtual memory methods Improvement areas Need for continuous program storage

653 views • 50 slides

Chapter 3 Memory Management: Virtual Memory

Chapter 3 Memory Management: Virtual Memory. Understanding Operating Systems, Fourth Edition. Objectives. You will be able to describe:

1.22k views • 49 slides

Virtual Memory

Virtual Memory. Lawrence Angrave and Vikram Adve. Contents. Memory mapped files Page sharing Page protection Virtual Memory and Multiprogramming Page eviction policies Page frame allocation and thrashing Working set model and implementation. Memory Mapped Files. VM of User. File.

486 views • 37 slides

Memory Addressing in Linux (Chap. 2 in Understanding the Linux Kernel)

Memory Addressing in Linux (Chap. 2 in Understanding the Linux Kernel). J. H. Wang Oct. 15, 2009. Outline. Memory Addresses Segmentation in Hardware Segmentation in Linux Paging in Hardware Paging in Linux. Memory Addresses. 3 kinds of addresses in 80x86 microprocessors Logical address

575 views • 36 slides

Mid-Term Review

Mid-Term Review. Good Results Always Answer Questions Review Of The Trouble Spots. Chapter 8 Assignment 2. High Level Programming Languages. Assignment Two. Using the two programs below that we discussed in class...

470 views • 33 slides

When pages are updated

? 52 ? : Swapping & Flushing. When pages are updated. text. data. Main memory. Disk. block device. a.out. 3. text. data. data. text. Main memory. Disk. block device. a.out. Loaded (scattered). X. RW. 3. text. data. data. stack. text. Main memory. Disk. block device.

400 views • 32 slides

Introduction to z/OS Security Lesson 2: The Architecture and Hardware

Introduction to z/OS Security Lesson 2: The Architecture and Hardware. Objectives. Describe at a high level the concepts of Control Instructions, Storage protection, and Interruptions

459 views • 29 slides

VIRTUAL MEMORY

VIRTUAL MEMORY. Submitted by Sachin Batra and Anil Bhardwaj. Why Do We Need Virtual Memory?.

467 views • 29 slides

CSE451 Introduction to Operating Systems Winter 2010

CSE451 Introduction to Operating Systems Winter 2010. Module 11 Paging Mark Zbikowski Gary Kimura. Reminder: Mechanics of address translation. virtual address. virtual page #. offset. physical memory. page frame 0. page table. page frame 1. physical address. page frame 2.

387 views • 29 slides

Memory Paging and Replacement

Memory Paging and Replacement. Lecture 31 Klara Nahrstedt. CS241 Administrative. Read Stallings Chapter 8.1 and 8.2 about VM LMP2 (Part II due on Monday, April 16)

343 views • 28 slides

Design Principles

437 views • 27 slides

Paging

Paging. Logical address space of a process can be noncontiguous; process is allocated physical memory whenever the latter is available. Divide physical memory into fixed-sized blocks called frames (size is power of 2, between 512 bytes and 8192 bytes).

1.1k views • 26 slides

Memory Management

544 views • 26 slides

VM Design Issues

341 views • 25 slides

Mark Zbikowski Gary Kimura

CSE 451: Operating Systems Winter 2010 Module 11a Page Table Management, TLBs, and Other Pragmatics. Mark Zbikowski Gary Kimura. Address translation and page faults (refresher!). virtual address. virtual page #. offset. physical memory. page frame 0. page table. page frame 1.

376 views • 23 slides

Virtual Memory

310 views • 15 slides