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Cloudonomics : the business value of cloud computing / / Joe Weinman
| Cloudonomics : the business value of cloud computing / / Joe Weinman |
| Autore | Weinman Joe <1958-> |
| Edizione | [1st edition] |
| Pubbl/distr/stampa | Hoboken, New Jersey : , : John Wiley & Sons, Inc., , 2012 |
| Descrizione fisica | 1 online resource (417 p.) |
| Disciplina |
004.6782
658.05 |
| Soggetto topico |
Cloud computing - Economic aspects
Information technology - Management |
| ISBN |
1-119-20473-9
1-280-99534-3 9786613766953 1-118-28696-0 |
| Classificazione | COM000000 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Cloudonomics: The Business Value of Cloud Computing; Contents; Preface; Acknowledgments; Chapter 1: A Cloudy Forecast; Clouds Everywhere; Cashing In on the Cloud; Beyond Business; Clarifying the Cloud; Farther On; Summary; Notes; Chapter 2: Does the Cloud Matter?; Productivity Paradox; Competitiveness Confrontation; Summary; Notes; Chapter 3: Cloud Strategy; Insanity or Inevitability?; Democratization of IT; Industrialization of IT; Strategy; The Cloud: More than IT; The Networked Organization; Form Follows Function, IT Follows Form; Aligning Cloud with Strategy; Everyware, Anywhere; Summary
NotesChapter 4: Challenging Convention; What Is the Cloud?; Economies of Scale; Competitive Advantage and Customer Value; Cloud Ecosystem Dynamics; IT Spend; Issues with the Cloud; Summary; Notes; Chapter 5: What Is a Cloud?; Defining the Cloud; On-Demand Resources; Utility Pricing; Common Infrastructure; Location Independence; Online Accessibility; Difference from Traditional Purchase and Ownership; Cloud Criteria and Implications; Is the Cloud New or a New Buzzword?; Summary; Notes; Chapter 6: Strategy and Value; Access to Competencies; Availability; Capacity Comparative Advantage and Core versus ContextUnit Cost; Delivered Cost; Total Solution Cost; Opportunity Cost and Cost Avoidance; Agility; Time Compression; Margin Expansion; Customer and User Experience and Loyalty; Employee Satisfaction; Revenue Growth; Community and Sustainability; Risk Reduction; Competitive Vitality and Survival; Summary; Notes; Chapter 7: When-and When Not-to Use the Cloud; Use Cases for the Cloud; Complementary Capabilities and Competencies; Communications; Conversations, Connections, and Communities; Congregations, Commons, and Collections; Consolidation Collaboration, Competition, and CrowdsourcingCommerce and Clearing; Collaborative Consumption; Coordination, Currency, Consistency, and Control; Cross-Device Access and Synchronization; Cash Flow; Capacity; Continuity; Checkpoints; Chokepoints; Context; Celerity; Customer Experience; Combinations of the Above; Inappropriate Cloud Use Cases; Constant; Custom; Classic; Close Coupling; Content Capture, Creation, and Consumption; Cryptography; Compression; Caching; Covert; Continuity; Summary; Notes; Chapter 8: Demand Dilemma; A Diversity of Demands; Examples of Variability Chase Demand or Shape It?Summary; Notes; Chapter 9: Capacity Conundrum; Service Quality Impacts; Fixed Capacity versus Variable Demand; Splitting the Difference; Better Safe than Sorry; Capacity Inertia; Summary; Notes; Chapter 10: Significance of Scale; Is the Cloud Like Electricity?; Distributed Power Generation; Is the Cloud Like Rental Cars?; Capital Expenditures versus Operating Expenses; Benchmark Data; Cost Factors; Benchmarking the Leaders; Size Matters; Summary; Notes; Chapter 11: More Is Less; Is the Cloud Less Expensive?; Characterizing Relative Costs and Workload Variability When Clouds Cost Less or the Same |
| Record Nr. | UNINA-9910141441303321 |
Weinman Joe <1958->
|
||
| Hoboken, New Jersey : , : John Wiley & Sons, Inc., , 2012 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Cloudonomics : the business value of cloud computing / / Joe Weinman
| Cloudonomics : the business value of cloud computing / / Joe Weinman |
| Autore | Weinman Joe <1958-> |
| Edizione | [1st edition] |
| Pubbl/distr/stampa | Hoboken, New Jersey : , : John Wiley & Sons, Inc., , 2012 |
| Descrizione fisica | 1 online resource (417 p.) |
| Disciplina |
004.6782
658.05 |
| Soggetto topico |
Cloud computing - Economic aspects
Information technology - Management |
| ISBN |
1-119-20473-9
1-280-99534-3 9786613766953 1-118-28696-0 |
| Classificazione | COM000000 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Cloudonomics: The Business Value of Cloud Computing; Contents; Preface; Acknowledgments; Chapter 1: A Cloudy Forecast; Clouds Everywhere; Cashing In on the Cloud; Beyond Business; Clarifying the Cloud; Farther On; Summary; Notes; Chapter 2: Does the Cloud Matter?; Productivity Paradox; Competitiveness Confrontation; Summary; Notes; Chapter 3: Cloud Strategy; Insanity or Inevitability?; Democratization of IT; Industrialization of IT; Strategy; The Cloud: More than IT; The Networked Organization; Form Follows Function, IT Follows Form; Aligning Cloud with Strategy; Everyware, Anywhere; Summary
NotesChapter 4: Challenging Convention; What Is the Cloud?; Economies of Scale; Competitive Advantage and Customer Value; Cloud Ecosystem Dynamics; IT Spend; Issues with the Cloud; Summary; Notes; Chapter 5: What Is a Cloud?; Defining the Cloud; On-Demand Resources; Utility Pricing; Common Infrastructure; Location Independence; Online Accessibility; Difference from Traditional Purchase and Ownership; Cloud Criteria and Implications; Is the Cloud New or a New Buzzword?; Summary; Notes; Chapter 6: Strategy and Value; Access to Competencies; Availability; Capacity Comparative Advantage and Core versus ContextUnit Cost; Delivered Cost; Total Solution Cost; Opportunity Cost and Cost Avoidance; Agility; Time Compression; Margin Expansion; Customer and User Experience and Loyalty; Employee Satisfaction; Revenue Growth; Community and Sustainability; Risk Reduction; Competitive Vitality and Survival; Summary; Notes; Chapter 7: When-and When Not-to Use the Cloud; Use Cases for the Cloud; Complementary Capabilities and Competencies; Communications; Conversations, Connections, and Communities; Congregations, Commons, and Collections; Consolidation Collaboration, Competition, and CrowdsourcingCommerce and Clearing; Collaborative Consumption; Coordination, Currency, Consistency, and Control; Cross-Device Access and Synchronization; Cash Flow; Capacity; Continuity; Checkpoints; Chokepoints; Context; Celerity; Customer Experience; Combinations of the Above; Inappropriate Cloud Use Cases; Constant; Custom; Classic; Close Coupling; Content Capture, Creation, and Consumption; Cryptography; Compression; Caching; Covert; Continuity; Summary; Notes; Chapter 8: Demand Dilemma; A Diversity of Demands; Examples of Variability Chase Demand or Shape It?Summary; Notes; Chapter 9: Capacity Conundrum; Service Quality Impacts; Fixed Capacity versus Variable Demand; Splitting the Difference; Better Safe than Sorry; Capacity Inertia; Summary; Notes; Chapter 10: Significance of Scale; Is the Cloud Like Electricity?; Distributed Power Generation; Is the Cloud Like Rental Cars?; Capital Expenditures versus Operating Expenses; Benchmark Data; Cost Factors; Benchmarking the Leaders; Size Matters; Summary; Notes; Chapter 11: More Is Less; Is the Cloud Less Expensive?; Characterizing Relative Costs and Workload Variability When Clouds Cost Less or the Same |
| Record Nr. | UNINA-9910830371203321 |
|
Weinman Joe <1958->
|
||
| Hoboken, New Jersey : , : John Wiley & Sons, Inc., , 2012 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Game character creation with Blender and Unity / / Chris Totten
| Game character creation with Blender and Unity / / Chris Totten |
| Autore | Totten Chris |
| Edizione | [1st ed.] |
| Pubbl/distr/stampa | Indianapolis, : John Wiley & Sons, 2012 |
| Descrizione fisica | 1 online resource (322 p.) |
| Disciplina | 006.693 |
| Soggetto topico | Video game characters |
| ISBN |
9786613662408
9781280685460 1280685468 9781118226902 1118226909 |
| Classificazione | COM000000 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Game Character Creation with Blender and Unity; Acknowledgments; About the Author; Contents; Introduction; Chapter 1: Basic Game Art Concepts; Game Design Workflows; Creating Game Assets; Understanding and Optimizing 3D Game Art; Working with Game Engines; Scripting Happens; Chapter 2: Blender Basics for Game Characters; Working with Blender's Unique Features; Working with Editor Arrangement and Types; Navigating and Viewing 3D Space; Creating and Manipulating Objects; Using the Properties Editor; Know Your Hotkeys; Making a Simple Block Character; Useful Techniques
Chapter 3: Modeling the CharacterWorking with Model Sheets; Shaping the Torso for Low Polygon Count; Extruding the Legs and Feet; Making the Arms and Hands; Separating Body Components to Create Clothing; Creating the Head with Poly-by-Poly Modeling; Carving Out Zombie Damage; Chapter 4: Prepping for Zombie Details with UV Unwrapping; The Uses of UV Layouts; Drawing Seams; Using Blender's UV/Image Editor; Laying Out a UV Sheet; Using Blender's Live Unwrap Functions; Chapter 5: Sculpting for Normal Maps; The Purpose of Sculpting; Introducing the Multires Modifier Using Blender's Sculpting InterfaceSculpting the Zombie in Blender; Baking Normal Maps; Chapter 6: Digital Painting Color Maps; Understanding Digital Painting; Preparing for Color Map Painting; Digital Painting Best Practices; Applying Your Color Map to the Zombie; Chapter 7: Rigging for Realistic Movement; Understanding Rigging; Creating a Simple Armature; Finishing the Armature with Constraints; Linking the Armature and Zombie; Chapter 8: Animating the Zombie; Understanding and Planning Game Animation; Using Blender's Animation System; Creating an Idle Animation; Creating a Walk Animation Creating a Chase AnimationCreating a Run Animation; Organizing Your Animations; Chapter 9: Unity Engine Basics; Understanding Unity's Logic and Interface; Building a Whiteblock Level with Unity Primitives; Creating and Editing Materials in Unity; Organizing Assets with Unity Empties; Chapter 10: Implementing Your Zombie in a Unity Game; Importing Models into Unity; Unity Scripting-A Crash Course; Adding Interactivity to the Zombie; Turning the First Person Controller into an FPS Hero; Adding Other Gameplay Elements; Wrapping Up; Index |
| Record Nr. | UNINA-9910814788803321 |
|
Totten Chris
|
||
| Indianapolis, : John Wiley & Sons, 2012 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
High accuracy computing methods : fluid flows and wave phenomena / / Tapan K. Sengupta [[electronic resource]]
| High accuracy computing methods : fluid flows and wave phenomena / / Tapan K. Sengupta [[electronic resource]] |
| Autore | Sengupta Tapan Kumar <1955-> |
| Pubbl/distr/stampa | Cambridge : , : Cambridge University Press, , 2013 |
| Descrizione fisica | 1 online resource (xix, 569 pages) : digital, PDF file(s) |
| Disciplina | 532/.050285 |
| Soggetto topico |
Fluid dynamics - Data processing
Wave mechanics - Data processing Spectrum analysis - Data processing |
| ISBN |
1-107-06965-3
1-107-05783-3 1-107-05456-7 1-107-05907-0 1-107-05561-X 1-139-15182-7 |
| Classificazione | COM000000 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Machine generated contents note: ch. 1 Basic Ideas of Scientific Computing -- 1.1.Overview on Scientific Computing -- 1.2.Major Milestones in Electronic Computing -- 1.3.Supercomputing and High Performance Computing -- 1.3.1.Parallel and cluster computing -- 1.3.2.Algorithmic issues of HPC -- 1.4.Computational Fluid Mechanics -- 1.5.Role of Computational Fluid Mechanics -- ch. 2 Governing Equations in Fluid Mechanics -- 2.1.Introduction -- 2.2.Basic Equations of Fluid Mechanics -- 2.2.1.Finite control volume -- 2.2.2.Infinitesimal fluid element -- 2.2.3.Substantive derivative -- 2.3.Equation of Continuity -- 2.4.Momentum Conservation Equation -- 2.5.Energy Conservation Equation -- 2.6.Alternate Forms of Energy Equation -- 2.7.The Energy Equation in Conservation Form -- 2.8.Notes on Governing Equations -- 2.9.Strong Conservation and Weak Conservation Forms -- 2.10.Boundary and Initial Conditions (Auxiliary Conditions) -- 2.11.Equations of Motion in Non-Inertial Frame -- 2.12.Equations of Motion in Terms of Derived Variables -- 2.13.Vorticity-Vector Potential Formulation -- 2.14.Pressure Poisson Equation -- 2.15.Comparison of Different Formulations -- 2.16.Other Forms of Navier-Stokes Equation -- ch. 3 Classification of Quasi-Linear Partial Differential Equations -- 3.1.Introduction -- 3.2.Classification of Partial Differential Equations -- 3.3.Relationship of Numerical Solution Procedure and Equation Type -- 3.4.Nature of Well-Posed Problems -- 3.5.Non-Dimensional Form of Equations -- ch. 4 Waves and Space-Time Dependence in Computing -- 4.1.Introduction -- 4.2.The Wave Equation -- 4.2.1.Plane waves -- 4.2.2.Three-dimensional axisymmetric wave -- 4.2.3.Doppler shift -- 4.2.4.Surface gravity waves -- 4.3.Deep and Shallow Water Waves -- 4.4.Group Velocity and Energy Flux -- 4.4.1.Physical and computational implications of group velocity -- 4.4.2.Wave-packets and their propagation -- 4.4.3.Waves over layer of constant depth -- 4.4.4.Waves over layer of variable depth H(x) -- 4.4.5.Wave refraction in shallow waters -- 4.4.6.Finite amplitude waves of unchanging form in dispersive medium -- 4.5.Internal Waves at Fluid Interface: Rayleigh-Taylor Problem -- 4.5.1.Internal and surface waves in finite over an infinite deep layer of fluid -- 4.5.2.Barotropic or surface mode -- 4.5.3.Baroclinic or internal mode -- 4.5.4.Rotating shallow water equation and wave dynamics -- 4.6.Shallow Water Equation (SWE) -- 4.6.1.Various frequency regimes of SWE -- 4.7.Additional Issues of Computing: Space-Time Resolution of Flows -- 4.7.1.Spatial scales in turbulent flows -- 4.8.Two- and Three-Dimensional DNS -- 4.9.Temporal Scales in Turbulent Flows -- 4.10.Computing Time-Averaged and Unsteady Flows -- ch. 5 Spatial and Temporal Discretizations of Partial Differential Equations -- 5.1.Introduction -- 5.2.Discretization of Differential Operators -- 5.2.1.Functional representation by the Taylor series -- 5.2.2.Polynomial representation of function -- 5.3.Discretization in Non-Uniform Grids -- 5.4.Higher Order Representation of Derivatives Using Operators -- 5.5.Higher Order Upwind Differences -- 5.5.1.Symmetric stencil for higher derivatives -- 5.6.Numerical Errors -- 5.7.Time Integration -- 5.7.1.Single-step methods -- 5.7.2.Single-step multi-stage methods -- 5.7.3.Runge-Kutta methods -- 5.7.4.Multi-step time integration schemes -- ch. 6 Solution Methods for Parabolic Partial Differential Equations -- 6.1.Introduction -- 6.2.Theoretical Analysis of the Heat Equation -- 6.3.A Classical Algorithm for Solution of the Heat Equation -- 6.4.Spectral Analysis of Numerical Methods -- 6.4.1.A higher order method or Milne's method -- 6.5.Treating Derivative Boundary Condition -- 6.6.Stability, Accuracy and Consistency of Numerical Methods -- 6.6.1.Richardson's method -- 6.6.2.Du Fort -- Frankel method -- 6.7.Implicit Methods -- 6.8.Spectral Stability Analysis of Implicit Methods -- Appendix I -- ch. 7 Solution Methods for Elliptic Partial Differential Equations -- 7.1.Introduction -- 7.2.Jacobi or Richardson Iteration -- 7.3.Interpretation of Classical Iterations -- 7.4.Different Point and Line Iterative Methods -- 7.4.1.Gauss-Seidel point iterative method -- 7.4.2.Line Jacobi method -- 7.4.3.Explanation of line iteration methods -- 7.5.Analysis of Iterative Methods -- 7.6.Convergence Theorem for Stationary Linear Iteration -- 7.7.Relaxation Methods -- 7.8.Efficiency of Iterative Methods and Rate of Convergence -- 7.8.1.Method of acceleration due to Lyusternik -- 7.9.Alternate Direction Implicit (ADI) Method -- 7.9.1.Analysis of ADI method -- 7.9.2.Choice of acceleration parameters -- 7.9.3.Estimates of maximum and minimum eigenvalues -- 7.9.4.Explanatory notes on ADI and other variant methods -- 7.10.Method of Fractional Steps -- 7.11.Multi-Grid Methods -- 7.11.1.Two-Grid method -- 7.11.2.Multi-Grid method -- 7.11.3.Other classifications of multi-grid method -- ch. 8 Solution of Hyperbolic PDEs: Signal and Error Propagation -- 8.1.Introduction -- 8.2.Classical Methods of Solving Hyperbolic Equations -- 8.2.1.Explicit methods -- 8.3.Implicit Methods -- 8.4.General Characteristics of Various Methods for Linear Problems -- 8.5.Non-linear Hyperbolic Problems -- 8.6.Error Dynamics: Beyond von Neumann Analysis -- 8.6.1.Dispersion error and its quantification -- 8.7.Role of Group Velocity and Focussing -- 8.7.1.Focussing phenomenon -- ch. 9 Curvilinear Coordinate and Grid Generation -- 9.1.Introduction -- 9.2.Generalized Curvilinear Scheme -- 9.3.Reciprocal or Dual Base Vectors -- 9.4.Geometric Interpretation of Metrics -- 9.5.Orthogonal Grid System -- 9.6.Generalized Coordinate Transformation -- 9.7.Equations for the Metrics -- 9.8.Navier-Stokes Equation in the Transformed Plane -- 9.9.Linearization of Fluxes -- 9.10.Thin Layer Navier-Stokes Equation -- 9.11.Grid Generation -- 9.12.Types of Grid -- 9.13.Grid Generation Methods -- 9.14.Algebraic Grid Generation Method -- 9.14.1.One-dimensional stretching functions -- 9.15.Grid Generation by Solving Partial Differential Equations -- 9.16.Elliptic Grid Generators -- 9.17.Hyperbolic Grid Generation Method -- 9.18.Orthogonal Grid Generation for Navier-Stokes Computations -- 9.19.Coordinate Transformations and Governing Equations in Orthogonal System -- 9.19.1.Gradient operator -- 9.19.2.Divergence operator -- 9.19.3.The Laplacian operator -- 9.19.4.The curl operator -- 9.19.5.The line integral -- 9.19.6.The surface integral -- 9.19.7.The volume integral -- 9.20.The Gradient and Laplacian of Scalar Function -- 9.21.Vector Operators of a Vector Function -- 9.22.Plane Polar Coordinates -- 9.23.Navier-Stokes Equation in Orthogonal Formulation -- 9.24.Improved Orthogonal Grid Generation Method for Cambered Airfoils -- 9.24.1.Orthogonal grid generation for GA(W)-1 airfoil -- 9.24.2.Orthogonal grid generation for an airfoil with roughness element -- 9.24.3.Solutions of Navier-Stokes equation for flow past SHM-1 airfoil -- 9.24.4.Compressible flow past NACA 0012 airfoil -- 9.25.Governing Euler Equation, Auxiliary Conditions, Numerical Methods and Results -- 9.26.Flow Field Calculation Using Overset or Chimera Grid Technique -- ch.
10 Spectral Analysis of Numerical Schemes and Aliasing Error -- 10.1.Introduction -- 10.2.Spatial Discretization of First Derivatives -- 10.2.1.Second order central differencing (CD2) scheme -- 10.3.Discrete Computing and Nyquist Criterion -- 10.4.Spectral Accuracy of Differentiation -- 10.5.Spectral Analysis of Fourth Order Central Difference Scheme -- 10.6.Role of Upwinding -- 10.6.1.First order upwind scheme (UD1) -- 10.6.2.Third order upwind scheme (UD3) -- 10.7.Numerical Stability and Concept of Feedback -- 10.8.Spectral Stability Analysis -- 10.9.High Accuracy Schemes for Spatial Derivatives -- 10.10.Temporal Discretization Schemes -- 10.10.1.Euler time integration scheme -- 10.10.2.Four-stage Runge-Kutta (RK4) method -- 10.11.Multi-Time Level Discretization Schemes -- 10.11.1.Mid-point leapfrog scheme -- 10.11.2.Second order Adams-Bashforth scheme -- 10.12.Aliasing Error -- 10.12.1.Why aliasing error is important? -- 10.12.2.Estimation of aliased component -- 10.13.Numerical Estimates of Aliasing Error -- 10.14.Controlling Aliasing Error -- 10.14.1.Aliasing removal by zero padding -- 10.14.2.Aliasing removal by phase shifts and grid-staggering -- ch. 11 Higher Accuracy Methods -- 11.1.Introduction -- 11.2.The General Compact Schemes -- 11.2.1.Approximating first derivatives by central scheme -- 11.3.Method for Solving Periodic Tridiagonal Matrix Equation -- 11.4.An Example of a Sixth Order Scheme -- 11.5.Order of Approximation versus Resolution -- 11.6.Optimization Problem Associated with Discrete Evaluation of First Derivatives -- 11.7.An Optimized Compact Scheme For First Derivative by Grid Search Method -- 11.8.Upwind Compact Schemes -- 11.9.Compact Schemes with Improved Numerical Properties -- 11.9.1.OUCS1 scheme -- 11.9.2.OUCS2 scheme -- 11.9.3.OUCS3 scheme -- 11.9.4.OUCS4 scheme -- 11.10.Approximating Second Derivatives -- 11.11.Optimization Problem for Evaluation of the Second Derivatives -- 11.12.Solution of One-Dimensional Convection Equation -- 11.13.Symmetrized Compact Difference Schemes -- 11.13.1.High accuracy symmetrized compact scheme -- 11.13.2.Solving bidirectional wave equation -- 11.13.3.Transitional channel flow -- 11.13.3.1.Establishment of equilibrium flow -- 11.13.3.2.Receptivity of channel flow to convecting single viscous vortex -- 11.13.4.Transitional channel flow created by vortex street -- 11.14.Combined Compact Difference (CCD) Schemes -- 11.14.1.A new combined compact difference (NCCD) scheme -- 11.14.2.Solving the Stommel Ocean Model problem -- 11.14.3.Operational aspects of the CCD schemes -- 11.14.4.Calibrating NCCD method to solve Navier-Stokes equation for 2D lid-driven cavity problem -- 11.15.Diffusion Discretization and Dealiasing Properties of Compact Schemes -- 11.15.1.Dynamics and aliasing in square LDC problem -- |
| Record Nr. | UNINA-9910787623703321 |
|
Sengupta Tapan Kumar <1955->
|
||
| Cambridge : , : Cambridge University Press, , 2013 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
High accuracy computing methods : fluid flows and wave phenomena / / Tapan K. Sengupta
| High accuracy computing methods : fluid flows and wave phenomena / / Tapan K. Sengupta |
| Autore | Sengupta Tapan Kumar <1955-> |
| Edizione | [1st ed.] |
| Pubbl/distr/stampa | Cambridge : , : Cambridge University Press, , 2013 |
| Descrizione fisica | 1 online resource (xix, 569 pages) : digital, PDF file(s) |
| Disciplina | 532/.050285 |
| Soggetto topico |
Fluid dynamics - Data processing
Wave mechanics - Data processing Spectrum analysis - Data processing |
| ISBN |
1-107-06965-3
1-107-05783-3 1-107-05456-7 1-107-05907-0 1-107-05561-X 1-139-15182-7 |
| Classificazione | COM000000 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Machine generated contents note: ch. 1 Basic Ideas of Scientific Computing -- 1.1.Overview on Scientific Computing -- 1.2.Major Milestones in Electronic Computing -- 1.3.Supercomputing and High Performance Computing -- 1.3.1.Parallel and cluster computing -- 1.3.2.Algorithmic issues of HPC -- 1.4.Computational Fluid Mechanics -- 1.5.Role of Computational Fluid Mechanics -- ch. 2 Governing Equations in Fluid Mechanics -- 2.1.Introduction -- 2.2.Basic Equations of Fluid Mechanics -- 2.2.1.Finite control volume -- 2.2.2.Infinitesimal fluid element -- 2.2.3.Substantive derivative -- 2.3.Equation of Continuity -- 2.4.Momentum Conservation Equation -- 2.5.Energy Conservation Equation -- 2.6.Alternate Forms of Energy Equation -- 2.7.The Energy Equation in Conservation Form -- 2.8.Notes on Governing Equations -- 2.9.Strong Conservation and Weak Conservation Forms -- 2.10.Boundary and Initial Conditions (Auxiliary Conditions) -- 2.11.Equations of Motion in Non-Inertial Frame -- 2.12.Equations of Motion in Terms of Derived Variables -- 2.13.Vorticity-Vector Potential Formulation -- 2.14.Pressure Poisson Equation -- 2.15.Comparison of Different Formulations -- 2.16.Other Forms of Navier-Stokes Equation -- ch. 3 Classification of Quasi-Linear Partial Differential Equations -- 3.1.Introduction -- 3.2.Classification of Partial Differential Equations -- 3.3.Relationship of Numerical Solution Procedure and Equation Type -- 3.4.Nature of Well-Posed Problems -- 3.5.Non-Dimensional Form of Equations -- ch. 4 Waves and Space-Time Dependence in Computing -- 4.1.Introduction -- 4.2.The Wave Equation -- 4.2.1.Plane waves -- 4.2.2.Three-dimensional axisymmetric wave -- 4.2.3.Doppler shift -- 4.2.4.Surface gravity waves -- 4.3.Deep and Shallow Water Waves -- 4.4.Group Velocity and Energy Flux -- 4.4.1.Physical and computational implications of group velocity -- 4.4.2.Wave-packets and their propagation -- 4.4.3.Waves over layer of constant depth -- 4.4.4.Waves over layer of variable depth H(x) -- 4.4.5.Wave refraction in shallow waters -- 4.4.6.Finite amplitude waves of unchanging form in dispersive medium -- 4.5.Internal Waves at Fluid Interface: Rayleigh-Taylor Problem -- 4.5.1.Internal and surface waves in finite over an infinite deep layer of fluid -- 4.5.2.Barotropic or surface mode -- 4.5.3.Baroclinic or internal mode -- 4.5.4.Rotating shallow water equation and wave dynamics -- 4.6.Shallow Water Equation (SWE) -- 4.6.1.Various frequency regimes of SWE -- 4.7.Additional Issues of Computing: Space-Time Resolution of Flows -- 4.7.1.Spatial scales in turbulent flows -- 4.8.Two- and Three-Dimensional DNS -- 4.9.Temporal Scales in Turbulent Flows -- 4.10.Computing Time-Averaged and Unsteady Flows -- ch. 5 Spatial and Temporal Discretizations of Partial Differential Equations -- 5.1.Introduction -- 5.2.Discretization of Differential Operators -- 5.2.1.Functional representation by the Taylor series -- 5.2.2.Polynomial representation of function -- 5.3.Discretization in Non-Uniform Grids -- 5.4.Higher Order Representation of Derivatives Using Operators -- 5.5.Higher Order Upwind Differences -- 5.5.1.Symmetric stencil for higher derivatives -- 5.6.Numerical Errors -- 5.7.Time Integration -- 5.7.1.Single-step methods -- 5.7.2.Single-step multi-stage methods -- 5.7.3.Runge-Kutta methods -- 5.7.4.Multi-step time integration schemes -- ch. 6 Solution Methods for Parabolic Partial Differential Equations -- 6.1.Introduction -- 6.2.Theoretical Analysis of the Heat Equation -- 6.3.A Classical Algorithm for Solution of the Heat Equation -- 6.4.Spectral Analysis of Numerical Methods -- 6.4.1.A higher order method or Milne's method -- 6.5.Treating Derivative Boundary Condition -- 6.6.Stability, Accuracy and Consistency of Numerical Methods -- 6.6.1.Richardson's method -- 6.6.2.Du Fort -- Frankel method -- 6.7.Implicit Methods -- 6.8.Spectral Stability Analysis of Implicit Methods -- Appendix I -- ch. 7 Solution Methods for Elliptic Partial Differential Equations -- 7.1.Introduction -- 7.2.Jacobi or Richardson Iteration -- 7.3.Interpretation of Classical Iterations -- 7.4.Different Point and Line Iterative Methods -- 7.4.1.Gauss-Seidel point iterative method -- 7.4.2.Line Jacobi method -- 7.4.3.Explanation of line iteration methods -- 7.5.Analysis of Iterative Methods -- 7.6.Convergence Theorem for Stationary Linear Iteration -- 7.7.Relaxation Methods -- 7.8.Efficiency of Iterative Methods and Rate of Convergence -- 7.8.1.Method of acceleration due to Lyusternik -- 7.9.Alternate Direction Implicit (ADI) Method -- 7.9.1.Analysis of ADI method -- 7.9.2.Choice of acceleration parameters -- 7.9.3.Estimates of maximum and minimum eigenvalues -- 7.9.4.Explanatory notes on ADI and other variant methods -- 7.10.Method of Fractional Steps -- 7.11.Multi-Grid Methods -- 7.11.1.Two-Grid method -- 7.11.2.Multi-Grid method -- 7.11.3.Other classifications of multi-grid method -- ch. 8 Solution of Hyperbolic PDEs: Signal and Error Propagation -- 8.1.Introduction -- 8.2.Classical Methods of Solving Hyperbolic Equations -- 8.2.1.Explicit methods -- 8.3.Implicit Methods -- 8.4.General Characteristics of Various Methods for Linear Problems -- 8.5.Non-linear Hyperbolic Problems -- 8.6.Error Dynamics: Beyond von Neumann Analysis -- 8.6.1.Dispersion error and its quantification -- 8.7.Role of Group Velocity and Focussing -- 8.7.1.Focussing phenomenon -- ch. 9 Curvilinear Coordinate and Grid Generation -- 9.1.Introduction -- 9.2.Generalized Curvilinear Scheme -- 9.3.Reciprocal or Dual Base Vectors -- 9.4.Geometric Interpretation of Metrics -- 9.5.Orthogonal Grid System -- 9.6.Generalized Coordinate Transformation -- 9.7.Equations for the Metrics -- 9.8.Navier-Stokes Equation in the Transformed Plane -- 9.9.Linearization of Fluxes -- 9.10.Thin Layer Navier-Stokes Equation -- 9.11.Grid Generation -- 9.12.Types of Grid -- 9.13.Grid Generation Methods -- 9.14.Algebraic Grid Generation Method -- 9.14.1.One-dimensional stretching functions -- 9.15.Grid Generation by Solving Partial Differential Equations -- 9.16.Elliptic Grid Generators -- 9.17.Hyperbolic Grid Generation Method -- 9.18.Orthogonal Grid Generation for Navier-Stokes Computations -- 9.19.Coordinate Transformations and Governing Equations in Orthogonal System -- 9.19.1.Gradient operator -- 9.19.2.Divergence operator -- 9.19.3.The Laplacian operator -- 9.19.4.The curl operator -- 9.19.5.The line integral -- 9.19.6.The surface integral -- 9.19.7.The volume integral -- 9.20.The Gradient and Laplacian of Scalar Function -- 9.21.Vector Operators of a Vector Function -- 9.22.Plane Polar Coordinates -- 9.23.Navier-Stokes Equation in Orthogonal Formulation -- 9.24.Improved Orthogonal Grid Generation Method for Cambered Airfoils -- 9.24.1.Orthogonal grid generation for GA(W)-1 airfoil -- 9.24.2.Orthogonal grid generation for an airfoil with roughness element -- 9.24.3.Solutions of Navier-Stokes equation for flow past SHM-1 airfoil -- 9.24.4.Compressible flow past NACA 0012 airfoil -- 9.25.Governing Euler Equation, Auxiliary Conditions, Numerical Methods and Results -- 9.26.Flow Field Calculation Using Overset or Chimera Grid Technique -- ch.
10 Spectral Analysis of Numerical Schemes and Aliasing Error -- 10.1.Introduction -- 10.2.Spatial Discretization of First Derivatives -- 10.2.1.Second order central differencing (CD2) scheme -- 10.3.Discrete Computing and Nyquist Criterion -- 10.4.Spectral Accuracy of Differentiation -- 10.5.Spectral Analysis of Fourth Order Central Difference Scheme -- 10.6.Role of Upwinding -- 10.6.1.First order upwind scheme (UD1) -- 10.6.2.Third order upwind scheme (UD3) -- 10.7.Numerical Stability and Concept of Feedback -- 10.8.Spectral Stability Analysis -- 10.9.High Accuracy Schemes for Spatial Derivatives -- 10.10.Temporal Discretization Schemes -- 10.10.1.Euler time integration scheme -- 10.10.2.Four-stage Runge-Kutta (RK4) method -- 10.11.Multi-Time Level Discretization Schemes -- 10.11.1.Mid-point leapfrog scheme -- 10.11.2.Second order Adams-Bashforth scheme -- 10.12.Aliasing Error -- 10.12.1.Why aliasing error is important? -- 10.12.2.Estimation of aliased component -- 10.13.Numerical Estimates of Aliasing Error -- 10.14.Controlling Aliasing Error -- 10.14.1.Aliasing removal by zero padding -- 10.14.2.Aliasing removal by phase shifts and grid-staggering -- ch. 11 Higher Accuracy Methods -- 11.1.Introduction -- 11.2.The General Compact Schemes -- 11.2.1.Approximating first derivatives by central scheme -- 11.3.Method for Solving Periodic Tridiagonal Matrix Equation -- 11.4.An Example of a Sixth Order Scheme -- 11.5.Order of Approximation versus Resolution -- 11.6.Optimization Problem Associated with Discrete Evaluation of First Derivatives -- 11.7.An Optimized Compact Scheme For First Derivative by Grid Search Method -- 11.8.Upwind Compact Schemes -- 11.9.Compact Schemes with Improved Numerical Properties -- 11.9.1.OUCS1 scheme -- 11.9.2.OUCS2 scheme -- 11.9.3.OUCS3 scheme -- 11.9.4.OUCS4 scheme -- 11.10.Approximating Second Derivatives -- 11.11.Optimization Problem for Evaluation of the Second Derivatives -- 11.12.Solution of One-Dimensional Convection Equation -- 11.13.Symmetrized Compact Difference Schemes -- 11.13.1.High accuracy symmetrized compact scheme -- 11.13.2.Solving bidirectional wave equation -- 11.13.3.Transitional channel flow -- 11.13.3.1.Establishment of equilibrium flow -- 11.13.3.2.Receptivity of channel flow to convecting single viscous vortex -- 11.13.4.Transitional channel flow created by vortex street -- 11.14.Combined Compact Difference (CCD) Schemes -- 11.14.1.A new combined compact difference (NCCD) scheme -- 11.14.2.Solving the Stommel Ocean Model problem -- 11.14.3.Operational aspects of the CCD schemes -- 11.14.4.Calibrating NCCD method to solve Navier-Stokes equation for 2D lid-driven cavity problem -- 11.15.Diffusion Discretization and Dealiasing Properties of Compact Schemes -- 11.15.1.Dynamics and aliasing in square LDC problem -- |
| Record Nr. | UNINA-9910818842103321 |
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Sengupta Tapan Kumar <1955->
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| Cambridge : , : Cambridge University Press, , 2013 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Iterative methods in combinatorial optimization / / Lap Chi Lau, R. Ravi, Mohit Singh [[electronic resource]]
| Iterative methods in combinatorial optimization / / Lap Chi Lau, R. Ravi, Mohit Singh [[electronic resource]] |
| Autore | Lau Lap Chi |
| Pubbl/distr/stampa | Cambridge : , : Cambridge University Press, , 2011 |
| Descrizione fisica | 1 online resource (xi, 242 pages) : digital, PDF file(s) |
| Disciplina | 518/.26 |
| Collana | Cambridge texts in applied mathematics |
| Soggetto topico |
Iterative methods (Mathematics)
Combinatorial optimization |
| ISBN |
1-107-22177-3
1-283-11116-0 9786613111166 1-139-07652-3 0-511-97715-8 1-139-08334-1 1-139-07880-1 1-139-08107-1 1-139-07080-0 |
| Classificazione | COM000000 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Machine generated contents note: 1. Introduction; 2. Preliminaries; 3. Matching and vertex cover in bipartite graphs; 4. Spanning trees; 5. Matroids; 6. Arborescence and rooted connectivity; 7. Submodular flows and applications; 8. Network matrices; 9. Matchings; 10. Network design; 11. Constrained optimization problems; 12. Cut problems; 13. Iterative relaxation: early and recent examples; 14. Summary. |
| Record Nr. | UNINA-9910789560403321 |
|
Lau Lap Chi
|
||
| Cambridge : , : Cambridge University Press, , 2011 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Iterative methods in combinatorial optimization / / Lap Chi Lau, R. Ravi, Mohit Singh [[electronic resource]]
| Iterative methods in combinatorial optimization / / Lap Chi Lau, R. Ravi, Mohit Singh [[electronic resource]] |
| Autore | Lau Lap Chi |
| Pubbl/distr/stampa | Cambridge : , : Cambridge University Press, , 2011 |
| Descrizione fisica | 1 online resource (xi, 242 pages) : digital, PDF file(s) |
| Disciplina | 518/.26 |
| Collana | Cambridge texts in applied mathematics |
| Soggetto topico |
Iterative methods (Mathematics)
Combinatorial optimization |
| ISBN |
1-107-22177-3
1-283-11116-0 9786613111166 1-139-07652-3 0-511-97715-8 1-139-08334-1 1-139-07880-1 1-139-08107-1 1-139-07080-0 |
| Classificazione | COM000000 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Machine generated contents note: 1. Introduction; 2. Preliminaries; 3. Matching and vertex cover in bipartite graphs; 4. Spanning trees; 5. Matroids; 6. Arborescence and rooted connectivity; 7. Submodular flows and applications; 8. Network matrices; 9. Matchings; 10. Network design; 11. Constrained optimization problems; 12. Cut problems; 13. Iterative relaxation: early and recent examples; 14. Summary. |
| Record Nr. | UNINA-9910821985403321 |
|
Lau Lap Chi
|
||
| Cambridge : , : Cambridge University Press, , 2011 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
On top of the cloud [[electronic resource] ] : how CIOs leverage new technologies to drive change and build value across the enterprise / / Hunter Muller
| On top of the cloud [[electronic resource] ] : how CIOs leverage new technologies to drive change and build value across the enterprise / / Hunter Muller |
| Autore | Muller Hunter <1960-> |
| Pubbl/distr/stampa | Hoboken, NJ, : Wiley, 2012 |
| Descrizione fisica | 1 online resource (271 p.) |
| Disciplina | 658/.0546782 |
| Collana | Wiley CIO |
| Soggetto topico |
Information technology - Management
Technological innovations - Management Cloud computing Chief information officers |
| ISBN |
1-119-20261-2
1-283-40189-4 9786613401892 1-118-21443-9 1-118-21458-7 |
| Classificazione | COM000000 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
ON TOP OF THE CLOUD: How CIOs Leverage New Technologies to Drive Change and Build Value across the Enterprise; CONTENTS; Foreword; Preface; Acknowledgments; Introduction; A New Business Model; ''Thoughtfully Progressive''; Part I: Transformational Leadership; Chapter 1 The Rising Tide; The CIO as Rock Star; Real Stories from Real IT Leaders; Learning from Listening; More Than Technology; The Real Challenge Is Organizational; Leadership Is Essential; Chapter 2 IT Does Matter; Stay Focused on Delivering Value; Replacing the Perpetual Pendulum; Driving the Innovation Agenda
It's All a Question of Perspective Chapter 3 The Engine of Innovation; Bringing Innovation to the Surface; Incentivizing Innovation; Chapter 4 Finding the Right Balance; Winds of Change; The Third Bucket; The Closer; Outside versus Inside; Articulating the Value of Technology; Chapter 5 The Customer-Focused CIO; Top Line or Bottom Line?; Driving Business Growth; The Rapid Enabler; Own, Rent, or Both?; Multiple Models; Also Consider the User Experience; Chapter 6 To Cloud or Not to Cloud; Fail Fast, Fail Cheap; A Skunk Works in the Cloud; Weaving the Seamless Tapestry; Part II: Driving Change Chapter 7 In Front of the Firewall Avon Calling; When the Model Fits; Chapter 8 The New Speed of Change; Updating the Mental Model; Innovation under Pressure; The Cloud on Wheels; Campaigning in the Cloud; Part III: Building Value; Chapter 9 Pushing the Envelope; Two Sides of the Same Coin; A Multiplicity of Clouds; Turn of the Tide; Translating ''Speeds and Feeds'' into Cash Flow; Chapter 10 Entering the Cloud; Governance Is Fundamental to Success; Due Diligence; Taking ''No'' Off the Table; Afterword; Meet Our Sources; Recommended Reading; About the Author; About HMG Strategy LLC; Index |
| Record Nr. | UNINA-9910141167103321 |
|
Muller Hunter <1960->
|
||
| Hoboken, NJ, : Wiley, 2012 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
On top of the cloud : how CIOs leverage new technologies to drive change and build value across the enterprise / / Hunter Muller
| On top of the cloud : how CIOs leverage new technologies to drive change and build value across the enterprise / / Hunter Muller |
| Autore | Muller Hunter <1960-> |
| Edizione | [1st ed.] |
| Pubbl/distr/stampa | Hoboken, NJ, : Wiley, 2012 |
| Descrizione fisica | 1 online resource (271 p.) |
| Disciplina | 658/.0546782 |
| Collana | Wiley CIO |
| Soggetto topico |
Information technology - Management
Technological innovations - Management Cloud computing Chief information officers |
| ISBN |
1-119-20261-2
1-283-40189-4 9786613401892 1-118-21443-9 1-118-21458-7 |
| Classificazione | COM000000 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
ON TOP OF THE CLOUD: How CIOs Leverage New Technologies to Drive Change and Build Value across the Enterprise; CONTENTS; Foreword; Preface; Acknowledgments; Introduction; A New Business Model; ''Thoughtfully Progressive''; Part I: Transformational Leadership; Chapter 1 The Rising Tide; The CIO as Rock Star; Real Stories from Real IT Leaders; Learning from Listening; More Than Technology; The Real Challenge Is Organizational; Leadership Is Essential; Chapter 2 IT Does Matter; Stay Focused on Delivering Value; Replacing the Perpetual Pendulum; Driving the Innovation Agenda
It's All a Question of Perspective Chapter 3 The Engine of Innovation; Bringing Innovation to the Surface; Incentivizing Innovation; Chapter 4 Finding the Right Balance; Winds of Change; The Third Bucket; The Closer; Outside versus Inside; Articulating the Value of Technology; Chapter 5 The Customer-Focused CIO; Top Line or Bottom Line?; Driving Business Growth; The Rapid Enabler; Own, Rent, or Both?; Multiple Models; Also Consider the User Experience; Chapter 6 To Cloud or Not to Cloud; Fail Fast, Fail Cheap; A Skunk Works in the Cloud; Weaving the Seamless Tapestry; Part II: Driving Change Chapter 7 In Front of the Firewall Avon Calling; When the Model Fits; Chapter 8 The New Speed of Change; Updating the Mental Model; Innovation under Pressure; The Cloud on Wheels; Campaigning in the Cloud; Part III: Building Value; Chapter 9 Pushing the Envelope; Two Sides of the Same Coin; A Multiplicity of Clouds; Turn of the Tide; Translating ''Speeds and Feeds'' into Cash Flow; Chapter 10 Entering the Cloud; Governance Is Fundamental to Success; Due Diligence; Taking ''No'' Off the Table; Afterword; Meet Our Sources; Recommended Reading; About the Author; About HMG Strategy LLC; Index |
| Record Nr. | UNINA-9910828016203321 |
|
Muller Hunter <1960->
|
||
| Hoboken, NJ, : Wiley, 2012 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Performance modeling and design of computer systems : queueing theory in action / / Mor Harchol-Balter, Carnegie Mellon University, Pennsylvania [[electronic resource]]
| Performance modeling and design of computer systems : queueing theory in action / / Mor Harchol-Balter, Carnegie Mellon University, Pennsylvania [[electronic resource]] |
| Autore | Harchol-Balter Mor <1966-> |
| Pubbl/distr/stampa | Cambridge : , : Cambridge University Press, , 2013 |
| Descrizione fisica | 1 online resource (xxiii, 548 pages) : digital, PDF file(s) |
| Disciplina | 519.8/2 |
| Soggetto topico |
Transaction systems (Computer systems) - Mathematical models
Computer systems - Design and construction - Mathematics Queuing theory Queuing networks (Data transmission) |
| ISBN |
1-107-23684-3
1-107-25475-2 1-139-61641-2 1-139-62571-3 1-139-61269-7 1-139-22642-8 |
| Classificazione | COM000000 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Machine generated contents note: Part I. Introduction to Queueing: 1. Motivating examples; 2. Queueing theory terminology; Part II. Necessary Probability Background: 3. Probability review; 4. Generating random variables; 5. Sample paths, convergence, and averages; Part III. The Predictive Power of Simple Operational Laws: 'What If' Questions and Answers; 6. Operational laws; 7. Modification analysis; Part IV. From Markov Chains to Simple Queues: 8. Discrete-time Markov Chains; 9. Ergodicity theory; 10. Real-world examples: Google, Aloha; 11. Generating functions for Markov Chains; 12. Exponential distributions and Poisson Process; 13. Transition to continuous-time Markov Chains; 14. M/M/1 and PASTA; Part V. Server Farms and Networks: Multi-server, Multi-queue Systems: 15. Server farms: M/M/k and M/M/k/k; 16. Capacity provisioning for server farms; 17. Time-reversibility and Burke's Theorem; 18. Jackson network of queues; 19. Classed network of queues; 20. Closed networks of queues; Part VI. Real-World Workloads: High-Variability and Heavy Tails: 21. Tales of tails: real-world workloads; 22. Phase-type workloads and matrix-analytic; 23. Networks of time-sharing (PS) servers; 24. M/G/I queue and inspection paradox; 25. Task assignment for server farms; 26. Transform analysis; 27. M/G/I transform analysis; 28. Power optimization application; Part VII. Smart Scheduling: 29. Performance metrics; 30. Non-preemptive, non-size-based policies; 31. Preemptive, non-size-based policies; 32. Non-preemptive, size-based policies; 33. Preemptive, size-based policies; 34. Scheduling: SRPT and fairness. |
| Altri titoli varianti | Performance modeling & design of computer systems |
| Record Nr. | UNINA-9910789462403321 |
|
Harchol-Balter Mor <1966->
|
||
| Cambridge : , : Cambridge University Press, , 2013 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
