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LLVM Essentials

by Suyog Sarda Mayur Pandey

Become familiar with the LLVM infrastructure and start using LLVM libraries to design a compiler About This Book • Learn to use the LLVM libraries to emit intermediate representation (IR) from high-level language • Build your own optimization pass for better code generation • Understand AST generation and use it in a meaningful way Who This Book Is For This book is intended for those who already know some of the concepts of compilers and want to quickly get familiar with the LLVM infrastructure and the rich set of libraries that it provides. What You Will Learn • Get an introduction to LLVM modular design and LLVM tools • Convert frontend code to LLVM IR • Implement advanced LLVM IR paradigms • Understand the LLVM IR Optimization Pass Manager infrastructure and write an optimization pass • Absorb LLVM IR transformations • Understand the steps involved in converting LLVM IR to Selection DAG • Implement a custom target using the LLVM infrastructure • Get a grasp of C's frontend clang, an AST dump, and static analysis In Detail LLVM is currently the point of interest for many firms, and has a very active open source community. It provides us with a compiler infrastructure that can be used to write a compiler for a language. It provides us with a set of reusable libraries that can be used to optimize code, and a target-independent code generator to generate code for different backends. It also provides us with a lot of other utility tools that can be easily integrated into compiler projects. This book details how you can use the LLVM compiler infrastructure libraries effectively, and will enable you to design your own custom compiler with LLVM in a snap. We start with the basics, where you'll get to know all about LLVM. We then cover how you can use LLVM library calls to emit intermediate representation (IR) of simple and complex high-level language paradigms. Moving on, we show you how to implement optimizations at different levels, write an optimization pass, generate code that is independent of a target, and then map the code generated to a backend. The book also walks you through CLANG, IR to IR transformations, advanced IR block transformations, and target machines. By the end of this book, you'll be able to easily utilize the LLVM libraries in your own projects. Style and approach This book deals with topics sequentially, increasing the difficulty level in a step-by-step approach. Each topic is explained with a detailed example, and screenshots are included to help you understand the examples.

LMI Approach to Analysis and Control of Takagi-Sugeno Fuzzy Systems with Time Delay (Lecture Notes in Control and Information Sciences #351)

by Chong Lin Guo Wang Tong Heng Lee Yong He

This book provides the latest developments in the analysis and control of nonlinear time-delay systems using T-S fuzzy model approach. It presents a comprehensive, up-to-date, and detailed treatment of many interesting topics, such as stability analysis, stabilization, fuzzy variable structure control, fuzzy tracking control, fuzzy observer design, and filter design for T-S fuzzy systems with time delay.

LMMS: A Complete Guide To Dance Music Production

by David Earl

In DetailYou've scoured the forums, watched the tutorial videos, and done everything you can to learn the secrets of the art of making dance music. Everyone is saying something different about how to get into producing your own projects. This book will help connect the dots and lay a solid foundation of knowledge so you can get beats banging out of LMMS.This book will show you the ins and outs of making Dance music with LMMS. Do you make house, trance, techno or down-tempo? After this book you'll be able to make a song that stands out from the masses, using time honoured tricks of the trade. From inception to conception, this book will help give you a workflow to channel your muse using LMMS.Readers will be given a brief lesson on the best of dance music history, then learn how to recreate it using the Open Source digital workstation - LMMS. The reader will be guided through creating a project from start to finish. By the end of this book, the reader will know how to create a full dance track in LMMS and make it ready for distribution.Along the way, readers will take short stops into music theory, song arranging, recording, and other related information to give them a good foundation for making dance music with depth as well as power. Reading LMMS: A Complete Guide to Dance Music Production will not just teach the reader how to use LMMS, but also how good dance music is crafted. The reader will not just be taught how to make decisions in LMMS, but when and why. After devouring this book, the reader should be able to focus on his or her creativity, with LMMS as a co-conspirator in the process of making great dance music.ApproachWritten in a step by step tutorial style, learning comes as a result of creating a complete dance music track, along with the explanations that follow each stage.Who this book is forYou have a computer and a love for dance and electronic music. Maybe you've been to some clubs, and the energy of electronic dance music has you completely under its spell. You see a DJ spinning, and everyone is dancing. It's infectious. You want to make music that affects people that way. Today the open source community has offered you LMMS. Read this book, and you'll be shown a process to creating great dance music. This book is going to connect the dots if you have already started making dance music, and provide a very solid foundation if you are just getting started - no matter what your skill level is.

Lo-Dash Essentials

by Adam Boduch

If you are a curious JavaScript developer interested simultaneously in tweaking the efficiency of your code, as well as improving the conciseness of it, and maintaining the readability of it, then this is the book for you. Ideally, the book is intended for readers already working on JavaScript projects and using frameworks such as jQuery and Backbone. Even if you're already using Lo-Dash, this book will show you how to use it efficiently. While extensive JavaScript experience isn't a requirement, you should have at least some prior programming experience in order to best understand the concepts presented.

Load Balancing in Parallel Computers: Theory and Practice (The Springer International Series in Engineering and Computer Science #381)

by Chenzhong Xu Francis C.M. Lau

Load Balancing in Parallel Computers: Theory and Practice is about the essential software technique of load balancing in distributed memory message-passing parallel computers, also called multicomputers. Each processor has its own address space and has to communicate with other processors by message passing. In general, a direct, point-to-point interconnection network is used for the communications. Many commercial parallel computers are of this class, including the Intel Paragon, the Thinking Machine CM-5, and the IBM SP2. Load Balancing in Parallel Computers: Theory and Practice presents a comprehensive treatment of the subject using rigorous mathematical analyses and practical implementations. The focus is on nearest-neighbor load balancing methods in which every processor at every step is restricted to balancing its workload with its direct neighbours only. Nearest-neighbor methods are iterative in nature because a global balanced state can be reached through processors' successive local operations. Since nearest-neighbor methods have a relatively relaxed requirement for the spread of local load information across the system, they are flexible in terms of allowing one to control the balancing quality, effective for preserving communication locality, and can be easily scaled in parallel computers with a direct communication network. Load Balancing in Parallel Computers: Theory and Practice serves as an excellent reference source and may be used as a text for advanced courses on the subject.

Load Balancing Servers, Firewalls, and Caches

by Chandra Kopparapu

From an industry insider--a close look at high-performance, end-to-end switching solutions Load balancers are fast becoming an indispensable solution for handling the huge traffic demands of the Web. Their ability to solve a multitude of network and server bottlenecks in the Internet age ranges from dramatic improvements in server farm scalability to removing the firewall as a network bottleneck. This book provides a detailed, up-to-date, technical discussion of this fast-growing, multibillion dollar market, covering the full spectrum of topics--from server and firewall load balancing to transparent cache switching to global server load balancing. In the process, the author delivers insight into the way new technologies are deployed in network infrastructure and how they work. Written by an industry expert who hails from a leading Web switch vendor, this book will help network and server administrators improve the scalability, availability, manageability, and security of their servers, firewalls, caches, and Web sites.

Load Distribution: Implementation for the Mach Microkernel

by Dejan Milojičić

Load Modelling and Generation in IP-based Networks: A Unified Approach and Tool Support

by Andrey Kolesnikov

Andrey Kolesnikov proposes an interesting unified approach and corresponding tools for modelling and effective generation of realistic workloads and traffic in networks. As a result of the general applicability in IP-based networks, the outcome of his research can be used for different service interfaces in combination with various workload models and modelling techniques. His work is both broad and deep in focus in order to demonstrate the application of the proposed approach in different realistic scenarios.

Lobbying Success in the European Union: The Role of Information and Frames (Routledge Advances in European Politics)

by Daniel Rasch

Having information is key for most political decisions – both for decision-makers and societal actors. This is especially crucial in democratic countries where external stakeholders are invited to participate in decision-making pro- cesses. Assuming that every actor that gets involved in decision-making processes has a particular lobbying goal, there is a heterogeneous set of actors competing against each other to provide information to the decision-makers. This competition leads some stakeholders to be more successful in achieving their goals than others. Frames, and the framing of information, play an important role in such lobbying success. In this book, Daniel Rasch questions whether and, if so, how, information impacts lobbying success and shows how various actors perform in three instances of European decision-making. He does so by combining findings from a qualitative content analysis with the results of a cross-case analysis using the quantified qualitative data. The new dataset contains a representative sample of over 200 position papers from EU level and national consultations, press releases and evidence from national stakeholders in Germany, Sweden and the United Kingdom. Lobbying Success in the European Union effectively bridges research on interest mediation and framing studies, and offers a new model for measuring stakeholders’ success. This new and pragmatic approach to study lobbying success using a traceable and easy to use instrument can be adapted to any policy analysis and any issue.

Lobbying Success in the European Union: The Role of Information and Frames (Routledge Advances in European Politics)

by Daniel Rasch

Having information is key for most political decisions – both for decision-makers and societal actors. This is especially crucial in democratic countries where external stakeholders are invited to participate in decision-making pro- cesses. Assuming that every actor that gets involved in decision-making processes has a particular lobbying goal, there is a heterogeneous set of actors competing against each other to provide information to the decision-makers. This competition leads some stakeholders to be more successful in achieving their goals than others. Frames, and the framing of information, play an important role in such lobbying success. In this book, Daniel Rasch questions whether and, if so, how, information impacts lobbying success and shows how various actors perform in three instances of European decision-making. He does so by combining findings from a qualitative content analysis with the results of a cross-case analysis using the quantified qualitative data. The new dataset contains a representative sample of over 200 position papers from EU level and national consultations, press releases and evidence from national stakeholders in Germany, Sweden and the United Kingdom. Lobbying Success in the European Union effectively bridges research on interest mediation and framing studies, and offers a new model for measuring stakeholders’ success. This new and pragmatic approach to study lobbying success using a traceable and easy to use instrument can be adapted to any policy analysis and any issue.

Local and Metropolitan Communication Systems: Proceedings of the third international conference on local and metropolitan communication systems (IFIP Advances in Information and Communication Technology)

by Toshiharu Hasegawa Yukata Takahashi Guy Pujolle Hideaki Takagi

We are witnessing an ever-increasing thrust toward the era of multimedia information networks, largely spurred by the U.S. Government's proposal for the National Information Infrastructure in the fall of 1993. While more people are subscribing to the services of narrowband ISDN, the implementation of broadband ISDN by means of Asynchronous Transfer Mode (ATM) has accelerated since the formation of the ATM Forum in 1993. In the meantime, frame relay may prevail for inter-LAN connections. In the "upper layer" of the network, commercial use of Internet is rapidly emerging. To ensure the successful development of technology, it is vital to use a judicious approach in assessing the architecture and performance of the systems that implement the technology. It is this spirit that underlies the present conference, which is intended to provide an international forum for the presentation of recent research results in the area of local and metropolitan communication systems. This conference has two sets of predecessors. It is the third in a series of international conferences on Local and Metropolitan Communication Systems -LAN & MAN; the first was held in Toulouse in 1986 and the second in Palma de Mallorca in 1991. It is also the fourth in a triennial series organized by Kyoto University and others on the performance of communication-related systems; the previous ones were held in Tokyo (1985) and Kyoto (1988, 1991).

Local Area Network Handbook, Sixth Edition

by John P. Slone

Today's enterprise cannot effectively function without a network, and today's enterprise network is almost always based on LAN technology. In a few short years, LANs have become an essential element of today's business environment. This time in the spotlight, while well deserved, has not come without a price. Businesses now insist that LANs deliver vast and ever-increasing quantities of business-critical information and that they do it efficiently, flawlessly, without fail, and most of all, securely. Today's network managers must consistently deliver this level of performance, and must do so while keeping up with ever changing, ever increasing demands without missing a beat. At the same time, today's IT managers must deliver business-critical information systems in an environment that has undergone radical paradigm shifts in such widely varied fields as computer architecture, operating systems, application development, and security. The Local Area Networks Handbook focuses on this collective environment, in which networking and information technology work together to create LAN-based enterprise networks. Topics have been selected and organized with this in mind, providing both depth and breadth of coverage. The handbook will provide you not only an understanding of how LANs work and how to go about selecting and implementing LAN products, but also of how to leverage LAN capabilities for the benefit of your enterprise.

Local Area Network Handbook, Sixth Edition

by John P. Slone

Today's enterprise cannot effectively function without a network, and today's enterprise network is almost always based on LAN technology. In a few short years, LANs have become an essential element of today's business environment. This time in the spotlight, while well deserved, has not come without a price. Businesses now insist that LANs deliver vast and ever-increasing quantities of business-critical information and that they do it efficiently, flawlessly, without fail, and most of all, securely. Today's network managers must consistently deliver this level of performance, and must do so while keeping up with ever changing, ever increasing demands without missing a beat. At the same time, today's IT managers must deliver business-critical information systems in an environment that has undergone radical paradigm shifts in such widely varied fields as computer architecture, operating systems, application development, and security. The Local Area Networks Handbook focuses on this collective environment, in which networking and information technology work together to create LAN-based enterprise networks. Topics have been selected and organized with this in mind, providing both depth and breadth of coverage. The handbook will provide you not only an understanding of how LANs work and how to go about selecting and implementing LAN products, but also of how to leverage LAN capabilities for the benefit of your enterprise.

Local Area Network Interconnection

by Raif O. Onvural Arne Nilsson

There are many exciting trends and developments in the communications industry, several of which are related to advances in fast packet switching, multi­ media services, asynchronous transfer mode (ATM) and high-speed protocols. It seems fair to say that the face of networking has been rapidly changing and the distinction between LANs, MANs, and WANs is becoming more and more blurred. It is commonly believed in the industry that ATM represents the next generation in networking. The adoption of ATM standards by the research and development community as a unifying technology for communications that scales from local to wide area has been met with great enthusiasm from the business community and end users. Reflecting these trends, the technical program of the First International Conference on LAN Interconnection consists of papers addressing a wide range of technical challenges and state of the art reviews. We are fortunate to have assembled a strong program committee, expert speakers, and panelists. We would like to thank Professor Schwartz for his keynote speech. We would like to thank Professor Yannis Viniotis and his students for the preparation of the index. We gratefully acknowledge the generous financial support of Dr. Jon Fjeld, Mr. Rick McGee, and Mr. David Witt, all of IBM-Research Triangle Park. We also would like to thank Ms. Mary Safford, our editor, and Mr. John Matzka, both at Plenum Press, for the publication of the proceedings.

Local Area Networks: An Introduction to the Technology

by John McNamara

This concise book provides an objective introduction to local area networks - how they work, what they do, and how you can benefit from them. It outlines the pros and cons of the most common configurations so you can evaluate them in light of your own needs. You'll also learn about network software, with special emphasis on the ISO layered model of communications protocols.

Local Binary Patterns: New Variants And New Applications (Studies in Computational Intelligence #506)

by Sheryl Brahnam Lakhmi C. Jain Loris Nanni Alessandra Lumini

This book introduces Local Binary Patterns (LBP), arguably one of the most powerful texture descriptors, and LBP variants. This volume provides the latest reviews of the literature and a presentation of some of the best LBP variants by researchers at the forefront of textual analysis research and research on LBP descriptors and variants. The value of LBP variants is illustrated with reported experiments using many databases representing a diversity of computer vision applications in medicine, biometrics, and other areas. There is also a chapter that provides an excellent theoretical foundation for texture analysis and LBP in particular. A special section focuses on LBP and LBP variants in the area of face recognition, including thermal face recognition. This book will be of value to anyone already in the field as well as to those interested in learning more about this powerful family of texture descriptors.

Local Features in Natural Images via Singularity Theory (Lecture Notes in Mathematics #2165)

by James Damon Peter Giblin Gareth Haslinger

This monograph considers a basic problem in the computer analysis of natural images, which are images of scenes involving multiple objects that are obtained by a camera lens or a viewer’s eye. The goal is to detect geometric features of objects in the image and to separate regions of the objects with distinct visual properties. When the scene is illuminated by a single principal light source, we further include the visual clues resulting from the interaction of the geometric features of objects, the shade/shadow regions on the objects, and the “apparent contours”. We do so by a mathematical analysis using a repertoire of methods in singularity theory. This is applied for generic light directions of both the “stable configurations” for these interactions, whose features remain unchanged under small viewer movement, and the generic changes which occur under changes of view directions. These may then be used to differentiate between objects and determine their shapes and positions.

Local Image Descriptor: Modern Approaches (SpringerBriefs in Computer Science #0)

by Bin Fan Zhenhua Wang Fuchao Wu

This book covers a wide range of local image descriptors, from the classical ones to the state of the art, as well as the burgeoning research topics on this area. The goal of this effort is to let readers know what are the most popular and useful methods in the current, what are the advantages and the disadvantages of these methods, which kind of methods is best suitable for their problems or applications, and what is the future of this area. What is more, hands-on exemplars supplied in this book will be of great interest to Computer Vision engineers and practitioners, as well as those want to begin their research in this area. Overall, this book is suitable for graduates, researchers and engineers in the related areas both as a learning text and as a reference book.

The Local Information Dynamics of Distributed Computation in Complex Systems (Springer Theses)

by Joseph T. Lizier

The nature of distributed computation in complex systems has often been described in terms of memory, communication and processing. This thesis presents a complete information-theoretic framework to quantify these operations on information (i.e. information storage, transfer and modification), and in particular their dynamics in space and time. The framework is applied to cellular automata, and delivers important insights into the fundamental nature of distributed computation and the dynamics of complex systems (e.g. that gliders are dominant information transfer agents). Applications to several important network models, including random Boolean networks, suggest that the capability for information storage and coherent transfer are maximised near the critical regime in certain order-chaos phase transitions. Further applications to study and design information structure in the contexts of computational neuroscience and guided self-organisation underline the practical utility of the techniques presented here.

Local Journalism: The Decline of Newspapers and the Rise of Digital Media (Reuters Institute for the Study of Journalism)

by Rasmus Kleis Nielsen

For more than a century, local journalism has been taken almost for granted. But the twenty-first century has brought major challenges. The newspaper industry that has historically provided most local coverage is in decline and it is not yet clear whether digital media will sustain new forms of local journalism. This book provides an international overview of the challenges facing changing forms of local journalism today. It identifies the central role that diminished newspapers still play in local media ecosystems, analyses relations between local journalists and politicians, government officials, community activists and ordinary citizens, and examines the uneven rise of new forms of digital local journalism. Together, the chapters present a multi-faceted portrait of the precarious present and uncertain future of local journalism in the Western world.

Local Pattern Detection: International Seminar Dagstuhl Castle, Germany, April 12-16, 2004, Revised Selected Papers (Lecture Notes in Computer Science #3539)

by Katharina Morik Jean-Francois Boulicaut Arno Siebes

Introduction The dramatic increase in available computer storage capacity over the last 10 years has led to the creation of very large databases of scienti?c and commercial information. The need to analyze these masses of data has led to the evolution of the new ?eld knowledge discovery in databases (KDD) at the intersection of machine learning, statistics and database technology. Being interdisciplinary by nature, the ?eld o?ers the opportunity to combine the expertise of di?erent ?elds intoacommonobjective.Moreover,withineach?elddiversemethodshave been developed and justi?ed with respect to di?erent quality criteria. We have toinvestigatehowthesemethods cancontributeto solvingthe problemofKDD. Traditionally, KDD was seeking to ?nd global models for the data that - plain most of the instances of the database and describe the general structure of the data. Examples are statistical time series models, cluster models, logic programs with high coverageor classi?cation models like decision trees or linear decision functions. In practice, though, the use of these models often is very l- ited, because global models tend to ?nd only the obvious patterns in the data, 1 which domain experts already are aware of . What is really of interest to the users are the local patterns that deviate from the already-known background knowledge. David Hand, who organized a workshop in 2002, proposed the new ?eld of local patterns.

Local Quantum Physics: Fields, Particles, Algebras (Theoretical and Mathematical Physics)

by Rudolf Haag

Four years aga Walter Thirring suggested to me that it would be desirable to have a book describing recent results of the "algebraic approach" to quantum field theory and statistical mechanics. After long deliberations with my younger colleagues I decided to write a book but to enlarge the topic, the guiding line be­ ing expressed in the title "Local Quantum Physics". In essence this concerns the synthesis between special relativity and our understanding of quantum physics, together with a few other principles of a general nature. The algebraic approach, that is the characterization of the theory by a net of algebras of local observ­ ables, provides a concise language for this and an efficient tool for the study of the anatomy of the theory and of the relevance of various parts to qualita­ tive physical consequences. It is introduced in Chapter III. In compliance with the original suggestion its main results of more recent vintage are described in Chapters IV to VI. The first two chapters serve to place this material into context and make the book reasonably self contained. There is a rough tem­ poral order. Thus Chapter I briefly describes the pillars of the theory existing before 1950. Chapter II deals with progress in understanding and techniques in quantum field theory, achieved for the most part in the fifties and early sixties.

Local Regression and Likelihood (Statistics and Computing)

by Clive Loader

Separation of signal from noise is the most fundamental problem in data analysis, arising in such fields as: signal processing, econometrics, actuarial science, and geostatistics. This book introduces the local regression method in univariate and multivariate settings, with extensions to local likelihood and density estimation. Practical information is also included on how to implement these methods in the programs S-PLUS and LOCFIT.

Local Search in Combinatorial Optimization

by Emile Aarts Jan Karel Lenstra

In the past three decades, local search has grown from a simple heuristic idea into a mature field of research in combinatorial optimization that is attracting ever-increasing attention. Local search is still the method of choice for NP-hard problems as it provides a robust approach for obtaining high-quality solutions to problems of a realistic size in reasonable time. Local Search in Combinatorial Optimization covers local search and its variants from both a theoretical and practical point of view, each topic discussed by a leading authority. This book is an important reference and invaluable source of inspiration for students and researchers in discrete mathematics, computer science, operations research, industrial engineering, and management science. In addition to the editors, the contributors are Mihalis Yannakakis, Craig A. Tovey, Jan H. M. Korst, Peter J. M. van Laarhoven, Alain Hertz, Eric Taillard, Dominique de Werra, Heinz Mühlenbein, Carsten Peterson, Bo Söderberg, David S. Johnson, Lyle A. McGeoch, Michel Gendreau, Gilbert Laporte, Jean-Yves Potvin, Gerard A. P. Kindervater, Martin W. P. Savelsbergh, Edward J. Anderson, Celia A. Glass, Chris N. Potts, C. L. Liu, Peichen Pan, Iiro Honkala, and Patric R. J. Östergård.

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