optimized c proven techniques for heightened performance

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Optimized C

Author : Kurt Guntheroth
ISBN : 9781491922033
Genre :
File Size : 85. 10 MB
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In today's fast and competitive world, a program's performance is just as important to customers as the features it provides. This practical guide teaches developers performance-tuning principles that enable optimization in C++. You'll learn how to make code that already embodies best practices of C++ design run faster and consume fewer resources on any computer--whether it's a watch, phone, workstation, supercomputer, or globe-spanning network of servers. Author Kurt Guntheroth provides several running examples that demonstrate how to apply these principles incrementally to improve existing code so it meets customer requirements for responsiveness and throughput. The advice in this book will prove itself the first time you hear a colleague exclaim, "Wow, that was fast. Who fixed something?"Locate performance hot spots using the profiler and software timersLearn to perform repeatable experiments to measure performance of code changesOptimize use of dynamically allocated variablesImprove performance of hot loops and functionsSpeed up string handling functionsRecognize efficient algorithms and optimization patternsLearn the strengths--and weaknesses--of C++ container classesView searching and sorting through an optimizer's eyeMake efficient use of C++ streaming I/O functionsUse C++ thread-based concurrency features effectively

Safe C

Author : Vladimir Kushnir
ISBN : 9781449320935
Genre : Computers
File Size : 32. 50 MB
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This book contains discussion of some of the most typical mistakes made by programmers in C++ and also some recipes for how to avoid each of these mistakes.

Efficient C

Author : Dov Bulka
ISBN : 0201379503
Genre : Computers
File Size : 75. 45 MB
Format : PDF, Kindle
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Far too many programmers and software designers consider efficient C++ to be an oxymoron. They regard C++ as inherently slow and inappropriate for performance-critical applications. Consequently, C++ has had little success penetrating domains such as networking, operating system kernels, device drivers, and others. "Efficient C++" explodes that myth. Written by two authors with first-hand experience wringing the last ounce of performance from commercial C++ applications, this book demonstrates the potential of C++ to produce highly efficient programs. The book reveals practical, everyday object-oriented design principles and C++ coding techniques that can yield large performance improvements. It points out common pitfalls in both design and code that generate hidden operating costs. This book focuses on combining C++'s power and flexibility with high performance and scalability, resulting in the best of both worlds. Specific topics include temporary objects, memory management, templates, inheritance, virtual functions, inlining, reference-counting, STL, and much more. With this book, you will have a valuable compendium of the best performance techniques at your fingertips. 0201379503B04062001

Advanced C Faqs

Author : Chandra Shekhar Kumar
Genre : Computers
File Size : 73. 12 MB
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This book is a combination of the following two books : Advanced C++ FAQs: Volume 1 : FundamentalsAdvanced C++ FAQs: Volume 2 : Generic Programming Advanced C++ FAQs: Volume 1 : Fundamentals This book is not an introduction to C++. It assumes that the reader is aware of the basics of C++98 and C++03 and is keen to expand her horizon to latest and greatest in the present and future of C++, including C++11 and C++1y(aka C++14). It contains selected fundamental problems with detailed solutions to all of these which will help the reader to hone her skills to solve a particular problem. Advanced C++ FAQs: Volume 2 : Generic Programming This book is sequel to the first volume Advanced C++ FAQs : Volume 1 : Fundamentals. It contains selected generic programming problems with detailed solutions. Algorithms 1.1 Efficient Insertion in Vector 1.2 reverse algorithm for forward iterators ... 1.4 swapping unequal sections 1.5 rotate algorithm ... 1.9 Avoid Raw Loops ... 1.13 better algorithm than std::rotate ... 1.16 reverse algorithm dispatch 1.17 Efficient Algorithm for reverse ... 1.21 is partitioned algorithm 1.22 Bisection Algorithm ... 1.25 advance and next 1.26 custom iota ... Utilities 2.1 std::move is rvalue cast 2.2 std::move if noexcept 2.3 std::forward ... 2.6 is same Templates 3.1 alias template 3.2 template parameter pack 3.3 override virtual and template ... ClassesNamespacesType SpecifiersConstant ExpressionC++14 ... 8.4 auto return type in function declaration ... 8.6 return type deduction for lambdas 8.7 decltype(auto) ... 8.9 explicit instantiation and auto 8.10 return type deduction and virtual ... 8.12 generalized lambda capture 8.13 generic lambda and product vector ... MiscellaneousMore C++14 10.1 variable templates ... 10.5 static data member template ... 10.7 default argument and specialization of variable template 10.8 lambda and variable template ... 10.15 auto variable template and generic lambda 10.16 constexpr member functions and implicit const 10.17 constexpr constructor and initialization ... 10.23 deprecated attribute 10.24 Member initializers and aggregate class ... 10.31 Type Transformation Aliases ... 10.33 make unique as perfect forwarding guy ... 10.37 make unique and default initialization 10.38 make unique and array T[n] ... 10.43 Extend make unique : T[N] 10.44 allocate unique 10.45 Compile-time integer sequences ... 10.47 std::index sequence 10.48 Custom Sequence : Addition ... 10.55 sfinae and represent type of function 10.56 metafunction : check presence of type member 10.57 std::common type and sfinae Foundation 11.1 private cast 11.2 Value Type Deduction Framework ... 11.5 Template Alias and Rebind Template 11.6 Template Alias and Non Deducible Context ... 11.8 Template Alias and Specialization ... 11.13 std::copy backward ... 11.18 iota n : iota for writing n items 11.19 Reverse iota ... 11.24 Preventing Name Hijacking ... 11.29 Move Constructor and unique pointer 11.30 Find First Null Pointer in a Container 11.31 Average of variable number of arguments .... 11.33 Exchange Utility 11.34 Addressing Tuple By Type 11.35 Quoted manipulators 11.36 Null Iterator

C Standard Library Quick Reference

Author : Peter Van Weert
ISBN : 9781484218761
Genre : Computers
File Size : 26. 4 MB
Format : PDF, ePub
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This quick reference is a condensed guide to the essential data structures, algorithms, and functions provided by the C++ Standard Library. Used by millions of C++ programmers on a daily basis, the C++ Standard Library features core classes for strings, I/O streams, and various generic containers, as well as a comprehensive set of algorithms to manipulate them. In recent years, the C++11 and C++14 standards have added even more efficient container classes, a new powerful regular expression library, and a portable multithreading library featuring threads, mutexes, condition variables, and atomic variables. Needless to say, it is hard to know and remember all the possibilities, details, and intricacies of this vast and growing library. This handy reference guide is therefore indispensable to any C++ programmer. It offers a condensed, well-structured summary of all essential aspects of the C++ Standard Library. No page-long, repetitive examples or obscure, rarely used features. Instead, everything you need to know and watch out for in practice is outlined in a compact, to-the-point style, interspersed with practical tips and well-chosen, clarifying examples. The book does not explain the C++ language or syntax, but is accessible to anyone with basic C++ knowledge or programming experience. Even the most experienced C++ programmer though will learn a thing or two from it and find it a useful memory-aid. Among the topics covered are: What You Will Learn Gain the essentials that the C++ Standard Library has to offer Use containers to efficiently store and retrieve your data Use algorithms to inspect and manipulate your data See how lambda expressions allow for elegant use of algorithms Discover what the standard string class provides and how to use it Write localized applications Work with file and stream-based I/O Discover what smart pointers are and how to use them to prevent memory leaks Write safe and efficient multi-threaded code using the threading libraries Who This Book Is For All C++ programmers: irrespective of their proficiency with the language or the Standard Library, this book offers an indispensable reference and memory-aid. A secondary audience is developers who are new to C++, but not new to programming, and who want to learn more on the C++ Standard Library in a quick, condensed manner.

Optimizing C

Author : Steve Heller
ISBN : UCSD:31822009042961
Genre : Computers
File Size : 40. 35 MB
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The programmer-friendly guide to maximizing C++ application performance! Getting a program to work is just the beginning: it must work efficiently, making the most of limited time, memory, and disk space. Now, legendary programmer Steve Heller --author of the best-seller "Who's Afraid of C++?"-- introduces a collection of power house algorithms that can supercharge virtually any C++ program. From streamlining random access to variable-length records to speeding large database sorts, you'll find it here-along with practical, "nothing-left-out" explanations. Coverage includes: Advanced dynamic hashing and caching algorithms. Bitmaps and other data compression techniques. Fast-sorting algorithms that use memory efficiently. Based on the new ANSI C++ standard, this "programmer-friendly" book includes extensive real-life examples and code samples - all personally typeset by the author to minimize the chance of error. If you want to squeeze every last drop of performance out of your C++ code, Optimizing C++ is the book you've been waiting for! The accompanying CD-ROM includes a complete collection of Steve Heller's Optimizing C++ algorithms, plus an industrial-strength C++ compiler.

Real Time C

Author : Christopher Kormanyos
ISBN : 9783642346880
Genre : Computers
File Size : 49. 20 MB
Format : PDF, Docs
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The C++ language has powerful object-oriented and template features that can improve software design and portability while simultaneously reducing code complexity and the risk of error. Furthermore, C++ compiles highly efficient native code. This unique and effective combination makes C++ well-suited for programming microcontroller systems that require compact size, high performance and safety-critical reliability. With this book, Chris Kormanyos delivers a highly practical guide to programming real-time embedded microcontroller systems in C++. It is divided into three parts plus several appendices. Part I provides a foundation for real-time C++ by covering language technologies, including object-oriented methods, template programming and optimization. Next, part II presents detailed descriptions of a variety of C++ components that are widely used in microcontroller programming. It details some of C++’s most powerful language elements, such as class types, templates and the STL, to develop components for microcontroller register access, low-level drivers, custom memory management, embedded containers, multitasking, etc. Finally, part III describes mathematical methods and generic utilities that can be employed to solve recurring problems in real-time C++. The appendices include a brief C++ language tutorial, information on the real-time C++ development environment and instructions for building GNU GCC cross-compilers and a microcontroller circuit. The most recent specification of C++11 in ISO/IEC 14882:2011 is used throughout the text. To facilitate portability, no libraries other than those specified in the language standard itself are used. Efficiency is always in focus and numerous examples are backed up with real-time performance measurements and size analyses that quantify the true costs of the code down to the very last byte and microsecond. The target audience of this book mainly consists of students and professionals interested in real-time C++. Readers should be familiar with C or another programming language and will benefit most if they have had some previous experience with microcontroller electronics and the performance and size issues prevalent in embedded systems programming.

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