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Book Cover
E-book
Author Critchley, Terry, author

Title High performance IT services / Terry Critchley
Published Boca Raton : CRC Press, Taylor & Francis Group, [2016]

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Description 1 online resource
Contents Cover; Half title; Title Page; Copyright Page; Dedication; Contents; List of Figures; List of Tables; Foreword; Preface; Acknowledgments; Author; SECTION I PERFORMANCE PRIN CIPLES AND COMPONENTS; 1 What Is Performance?; Introduction; Performance Concept; An Approach to a Solution; Performance: Leveling the Playing Field; What Is Performance?; Performance of What?; Performance in Numbers; Misleading Clock Speed; More on Misleading MIPS; MIPS and Dhrystones; Fixed-Point or Integer Performance; Integer Performance Table; Floating-Point Performance; Single versus Double Precision
Factors Affecting PerformanceDesign; Implementation; Operation; Performance Journey; Performance Terminology; Does Performance Have a Value?; Interaction of Resources; Resource Management; What Can We Do about Performance?; Preoperational Options; Postoperational Options; Monitoring Performance; Performance Metrics; Role of Testing in Performance; 2 Processor Hardware; Moore's Law; Moore's Law Giveth and & aketh Away; Central Processors; Processor Usage; Processor Utilization Breakdown; Operating System; Supporting Software; Peripherals; Processor Performance
Central Processor (CPU) ArchitecturesRISC and CISC Architectures; Traditional System Design; Superscalar Architectures; Uniprocessor (UP) Architecture; Symmetric Multiprocessor Architecture; Clustered Systems; Massively Parallel Processor Architecture; Parallel Processing; Implementations of Parallel Computing; Evolution of Parallel Processing; Processor Summary; NUMA Systems; NUMA Performance; Performance Scaling Laws; Introduction; Amdahl's Law; Gunther's Law; Gustafson's Law; Amdahl versus Gunther; Speedup: Sun-Ni Law; Memory Hierarchy; Cache; Cache Hierarchy; Cache Consistency
Cache StructureA Cache-Workman Analogy; Cache Coherence in Multicore Chips; 3 Software and Performance; Performance Role of Software; Data Tiering; Data Compression; Data Compression Benchmarks; HTTP Compression; Software Formats; IEEE 754-2008 Floating-Point Standard; Software Optimization; Compiler and Other Options; Pipelining; Cache Misses; Software Performance "Gotchas"; Security or Fault Tolerance; Encryption; Deadlocks; Runaway Tasks; Bad and Overdesign; Indexing RDBMSs; Indexing: A Cute Trick; Poor Software Mixtures; Java Performance; Transaction Processing (OLTP)
15 Performance FactorsVirtualization Overheads; VM Overhead Reasons; Buffers and Performance; Is Bigger Better?; Middleware; Security Overheads; Conclusions; Network Losses; Causes of Packet Loss; TCP Loss Graph; 4 Performance: Magnetic Storage and Clusters; Disks and Disk Architecture; Traditional Disks (HDD); Disk Operation Timing; IOPS Myths; Measurement of Disk Characteristics; Do It Yourself Method; An Example; Using Bonnie++; Storage Configurations; Network Attached Storage; NAS Overview; Storage Area Networks; What Is a SAN?; RAID Storage; RAID Performance
Bibliography Includes bibliographical references and index
Notes Print version record
Subject Network performance (Telecommunication)
High performance computing.
COMPUTERS -- Computer Literacy.
COMPUTERS -- Computer Science.
COMPUTERS -- Data Processing.
COMPUTERS -- Hardware -- General.
COMPUTERS -- Information Technology.
COMPUTERS -- Machine Theory.
COMPUTERS -- Reference.
High performance computing
Network performance (Telecommunication)
Form Electronic book
ISBN 9781315350103
1315350106