COPE-09 Architecture.indd 9 Architecture Uwe R. Zimmer – The Australian National University Computer Organisation & Program Execution 2021 Architecture © 2021 Uwe R. Zimmer, The Australian National University page 468 of 490 (chapter 9: “Architecture” up to page 487) References for this chapter [Patterson17] David A. Patterson & John L. Hennessy Computer Organization and Design […]
single.dvi 28 Locks From the introduction to concurrency, we saw one of the fundamental problems in concurrent programming: we would like to execute a series of instructions atomically, but due to the presence of interrupts on a single processor (or multiple threads executing on multiple processors concur- rently), we couldn’t. In this chapter, we thus
book Preface To Everyone Welcome to this book! We hope you’ll enjoy reading it as much as we enjoyed writing it. The book is called Operating Systems: Three Easy Pieces (available at http://www.ostep.org), and the title is obviously an homage to one of the greatest sets of lecture notes ever created, by one Richard Feynman
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single.dvi 26 Concurrency: An Introduction Thus far, we have seen the development of the basic abstractions that the OS performs. We have seen how to take a single physical CPU and turn it into multiple virtual CPUs, thus enabling the illusion of multiple pro- grams running at the same time. We have also seen how
COPE 2021.indb Organization & Contents Uwe R. Zimmer – The Australian National University Computer Organisation & Program Execution 2021 Computer Organisation & Program Execution 2021 Uwe R. Zimmer – The Australian National University Organization & Contents Uwe R. Zimmer – The Australian National University Computer Organisation & Program Execution 2021 Organization & Contents © 2021
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single.dvi 10 Multiprocessor Scheduling (Advanced) This chapter will introduce the basics of multiprocessor scheduling. As this topic is relatively advanced, it may be best to cover it after you have studied the topic of concurrency in some detail (i.e., the second major “easy piece” of the book). After years of existence only in the high-end
single.dvi 22 Beyond Physical Memory: Policies In a virtual memory manager, life is easy when you have a lot of free memory. A page fault occurs, you find a free page on the free-page list, and assign it to the faulting page. Hey, Operating System, congratula- tions! You did it again. Unfortunately, things get a
single.dvi 23 Complete Virtual Memory Systems Before we end our study of virtualizing memory, let us take a closer look at how entire virtual memory systems are put together. We’ve seen key elements of such systems, including numerous page-table designs, inter- actions with the TLB (sometimes, even handled by the OS itself), and strategies for
Chapter 5 A Closer Look at Instruction Set Architectures 2 Chapter 5 Objectives • Understand the factors involved in instruction set architecture design. • Gain familiarity with memory addressing modes. • Understand the concepts of instruction-level pipelining and its affect upon execution performance. 3 5.1 Introduction • This chapter builds upon the ideas in Chapter
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Introduction Introduction Questions answered in this lecture: What will you study in this course? What is an OS and why do we want one? Why study operating systems? Ohio State University Computer Science and Engineering CSE 2431 Introduction to Operating Systems G. Michael Green What is an Operating System? Operating System (OS): Software that converts