'Free list' presentation slideshows

UNIX

1.32k views • 95 slides

US Presidents

775 views • 64 slides

Instructor: Justin Hsia

618 views • 50 slides

Querying XML

Querying XML . Sameer S. Pradhan. The Problem (DBMS Vs Docs). 3-level hierarchy: table, record and field Order is not part of the information Strings in separate fields are separate Location of data is not generally significant

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634 views • 45 slides

[2011-2] ??? ????? Class 11 : Dynamic Memory Allocation: Advanced Concepts

[2011-2] ??? ????? Class 11 : Dynamic Memory Allocation: Advanced Concepts. ???? : ? ? ? 2011. 11. 1. Today. Explicit free lists Segregated free lists Garbage collection Memory-related perils and pitfalls. Keeping Track of Free Blocks. 5. 4. 6. 2. 5. 4. 6. 2.

536 views • 45 slides

569 views • 45 slides

TUNING

TUNING. Office of the Accountant General (A&E) Andhra Pradesh Hyderabad. Tuning. When is tuning necessary? Only if you feel that application is not running fast enough What is to be tuned? Oracle database Application Operating system Network . Tuning Goals.

978 views • 41 slides

Dynamic Memory Allocation II November 3, 2006

623 views • 40 slides

Chapter 9. File System Implementation

Chapter 9. File System Implementation. Introduction System V File System Berkeley Fast File System Temporary File System Special-purpose File Systems Old Buffer Cache. Introduction. Two local general-purpose file systems System V file system (s5fs) Berkeley fast file system (FFS) S5fs

521 views • 37 slides

Dynamic Memory Allocation II

Dynamic Memory Allocation II. Topics Explicit doubly-linked free lists Segregated free lists Review of pointers Memory-related perils and pitfalls. Summary of Key Allocator Policies. Placement policy: First fit, next fit, best fit, etc. Trades off lower throughput for less fragmentation

457 views • 30 slides

Parallel Memory Allocation

Parallel Memory Allocation. Steven Saunders. Introduction. Fallacy : All dynamic memory allocators are either scalable , effective or efficient ... Truth : no allocator exists that handles all situations, allocation patterns and memory hierarchies best (serial or parallel)

429 views • 29 slides

Memory Allocation

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Memory Allocation

397 views • 24 slides

Other Disk Details

Other Disk Details. Disk Formatting. After manufacturing disk has no information Is stack of platters coated with magnetizable metal oxide Before use, each platter receives low-level format Format has series of concentric tracks Each track contains some sectors

390 views • 23 slides

CS 3204 Operating Systems

348 views • 22 slides

An Economic Gardening Project in Michigan: Libraries as Strategic Partners in Local Economic Development Efforts Barbara

496 views • 17 slides

File Drivers and I/O Caching

256 views • 16 slides

Chapter 17 Free-Space Management

Chapter 17 Free-Space Management. Chien -Chung Shen CIS, UD cshen@cis.udel.edu. Problem. In malloc library or within OS itself Fixed-sized units vs. variable-sized units External fragmentation free space gets chopped into little pieces of different sizes and is thus fragmented

375 views • 15 slides

File Systems Implementation

File Systems Implementation. Recap. What we have covered: User-level view of FS Storing files: contiguous, linked list, memory table, FAT, I-nodes Directories: all attributes in table, variable name length, search Sharing files: hard and soft links

226 views • 15 slides