'Byte offset' presentation slideshows

Chapter 3 UNIX Utilities for Power Users

Graham Glass and King Ables, UNIX for Programmers and Users , Third Edition, Pearson Prentice Hall, 2003. Original Notes by Raj Sunderraman Converted to presentation and updated by Michael Weeks. Chapter 3 UNIX Utilities for Power Users. Grep(Global or Get Regular Expression and Print).

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Module 21: Windows 2000

Module 21: Windows 2000. History Design Principles System Components Environmental Subsystems File system Networking Programmer Interface. Windows 2000. 32-bit preemptive multitasking operating system for Intel microprocessors. Key goals for the system: portability security

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Cache Memory

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GFS

GFS. Google. Servers are a mix of commodity machines and machines specifically designed for Google Not necessarily the fastest Purchases are based on the best performance per dollar Uses customized versions of Linux. Google. Servers are put into racks and connected through a 1 GB Ethernet

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Chapter 7a: Cache Memory

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The grep Command

The grep Command. Purpose & Use. Searches the input files for lines containing a match to a given pattern list copies the line to standard output produces whatever sort of output is requested with options. The grep command. Matching on text

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Managing Files of Records

Managing Files of Records. CS 3050, Spring 2007 4/4/2007 Dr Melanie Martin. Assume:. We have a file The file is made up of records The records are made up of fields We want to access a specific record. Identifying the Record. RRN (relative record number) Saw previously

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EET 4250

EET 4250. Ch. 4: The Processor: Datapath & Control Logic. Acknowledgements: Some s lides and lecture notes for this course adapted from Prof. Mary Jane Irwin @ Penn State, Morgan Kaufmann supplemental material for the course text. Branch Instructions. Read register operands

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Memory access times

Memory access times. # clock cycles to send the address (say 1) #clock cycles to initiate each DRAM access (say 15) #clock cycles to transfer a word of data (say 1). Clock cycles required to access 4 words:. 1 + 4x15 + 4x1. 1 + 1x15 + 1. 1 + 1x15 + 4x1. Improving performance.

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