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Modern X86 Assembly Language Programming
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Since the invention of the personal computer, software developers have used assembly language to create innovative solutions for a wide variety of algorithmic challenges. During the early days of the PC era, it was common practice to code large portions of a program or complete applications using x86 assembly language. Even as the use of high-level languages such as C, C++, and C# became more prevalent, many software developers continued to employ assembly language to code performance-critical sections of their programs. And while compilers have improved remarkably over the years in terms of generating machine code that is both spatially and temporally efficient, situations still exist where it makes sense for software developers to exploit the benefits of assembly language programming. The inclusion of single-instruction multiple-data (SIMD) architectures in modern x86 processors provides another reason for the continued interest in assembly language programming. A SIMD-capable processor includes computational resources that facilitate concurrent calculations using multiple data values, which can significantly improve the performance of applications that must deliver real-time responsiveness. SIMD architectures are also well-suited for computationally-intense problem domains such as image processing, audio and video encoding, computer-aided design, computer graphics, and data mining. Unfortunately, many high-level languages and development tools are unable to fully (or even partially) exploit the SIMD capabilities of a modern x86 processor. Assembly language, on the other hand, enables the software developer to take full advantage of a processor’s entire computational resource suite.
978-1-4842-0064-3
NONE
Information Technology
English
2014
1-685
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