Optimizing software in C++ in pdf

This manual is for advanced programmers and software developers who want to make their software faster. It is assumed that the reader has a good knowledge of the C++ programming language and a basic understanding of how compilers work. The C++ language is chosen as the basis for this manual for reasons explained on page 8 below.

This manual is based mainly on my study of how compilers and microprocessors work. The recommendations are based on the x86 family of microprocessors from Intel, AMD and VIA including the 64-bit versions. The x86 processors are used in the most common platforms with Windows, Linux, BSD and Mac OS X operating systems, though these operating systems can also be used with other microprocessors. Many of the advices may apply to other platforms and other compiled programming languages as well.

This is the first in a series of five manuals:

• Optimizing software in C++: An optimization guide for Windows, Linux and Mac platforms.
• Optimizing subroutines in assembly language: An optimization guide for x86 platforms.
• The microarchitecture of Intel, AMD and VIA CPUs: An optimization guide for assembly programmers and compiler makers.
• Instruction tables: Lists of instruction latencies, throughputs and micro-operation breakdowns for Intel, AMD and VIA CPUs.
• Calling conventions for different C++ compilers and operating systems.