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Optimized C++ pdf

Optimized C++. Kurt Guntheroth

Optimized C++

ISBN: 9781491922064 | 400 pages | 10 Mb

Download Optimized C++

Optimized C++ Kurt Guntheroth
Publisher: O'Reilly Media, Incorporated

In this article we will explore optimization techniques for C and C++ code developed for Realtime Systems. The inline keyword is an extremely simple and powerful means of optimizing C++ programs. #include #include using namespace std; using This object is an example of what is known as a "function object" in C++. C++ run-time support routines obviously have a significant cost, because otherwise such behavior would have be inlined. Improve the performance of your C++ programs to meet customer requirements for responsiveness and throughput. The libc++ basic_string is designed to have a sizeof 3 words on all architectures, where sizeof(word) == sizeof(void*) . An Overview of Optimization The world has a stupendous appetite for computation. Even with g++ -O0 (yes, -O0 !), this happens. Software optimization manuals for C++ and assembly code. In the world of C++ programming, all other things being equal, programs that are smaller and faster are better. It is always harder to debug optimised programs, but there are always ways. The reason is that lambdas are function objects so passing them to a function template will instantiate a new function specifically for that object. This is an approximate transcript of my talk at Facebook NYC on December 4, 2012, which discusses optimization tips for C++ programs. 3.3.2 Optimization Considerations When Mixing C/C++ and Assembly 59 3.5.1 Use Caution With asm Statements in Optimized Code . C++ Optimization Strategies and Techniques. Early sections of the book address the advantages of optimizing C++, which the author considers something of a lost art. /O1 and /O2 also enable the Named Return Value optimization, which For more information, see Named Return Value Optimization in Visual C++ 2005. Intel and AMD x86 microprocessors. Mark Lacey Microsoft Corporation.

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