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The top documents tagged [optimal page replacement]
Ch09
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Page Replacement CS 537 - Introduction to Operating Systems
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9.4 Page Replacement What if there is no free frame? Page replacement –find some page in memory, but not really in use, swap it out In this case, same
215 views
Page Replacement Algorithms Want lowest page-fault rate Evaluate algorithm by running it on a particular string of memory references (reference string)
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4.4 Page replacement algorithms. Page replacement algorithms Also seen in: CPU cache Web server cache of web pages Buffered I/O (file) caches
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Background Virtual memory – separation of user logical memory from physical memory. Only part of the program needs to be in memory for execution. Logical
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Virtual Memory Why? The need of memory more than the available physical memory. Process 1 Process 3 Process 4 Process 2 Physical Memory
237 views
OSCh10
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Page replacement
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OS_Ch10
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CSE GATE 2014 Paper Analysis and Questions 02 March Afternoon
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2004 Deitel & Associates, Inc. All rights reserved. Chapter 11 – Virtual Memory Management Outline 11.1 Introduction 11.2Locality 11.3Demand Paging 11.4Anticipatory
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