'First fit' presentation slideshows

Topic 8: Memory Management

Topic 8: Memory Management. L & E: Pages 51-75 Tanenbaum: Pages 309-341. Introduction. If you have only one program and it is smaller than memory then there are no problems - use static addressing. But ..

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Today

Today. More memory allocation!. Allocation Example. p1 = malloc(4). p2 = malloc(5). p3 = malloc(6). free(p2). p4 = malloc(2). Allocation Example. p1 = malloc(4). p2 = malloc(5). p3 = malloc(6). free(p2). Oops! (what would happen now?). p4 = malloc (6). Implementation Issues.

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First Fit Coloring of Interval Graphs

First Fit Coloring of Interval Graphs. William T. Trotter Georgia Institute of Technology October 14, 2005. Interval Graphs. First Fit with Left End Point Order Provides Optimal Coloring. Interval Graphs are Perfect. ? = ? = 4. What Happens with Another Order?.

426 views • 29 slides

The memory allocation problem

The memory allocation problem. Define the memory allocation problem Memory organization and memory allocation schemes. Up to this point: Process management provides the illusion of an infinite number of CPUs On a single processor machine Memory management provides a different set of illusions

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Chapter 3.1 : Memory Management

Chapter 3.1 : Memory Management. Storage hierarchy Important memory terms Earlier memory allocation schemes Contiguous memory allocation Fixed partitions Dynamic partitions Managing free & allocated Memory Space. Storage Hierarchy. Main Memory Cache on Chip (internal cache)

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Algorithms

Algorithms. 3 types of bin packing algorithms are: 1. First fit 2. First fit descending 3. Full bin. Bin Packing. Algorithms. 3 types of bin packing algorithms are: 1. First fit (Quickest) 2. First fit descending 3. Full bin. Bin Packing. Algorithms.

245 views • 7 slides