Intel® 64 and IA-32 Architectures Optimization Reference Manual

The Intel® 64 and IA-32 Architectures Optimization Reference Manual describes how to optimize software to take advantage of the performance characteristics of IA-32 and Intel 64 architecture processors. Optimizations described in this manual apply to processors based on the Intel® Core™ microarchitecture, enhanced Intel Core microarchitecture, Intel® microarchitecture code name Nehalem, Intel® mic...roarchitecture code name Westmere, Intel® microarchitecture code name Sandy Bridge, Intel NetBurst® microarchitecture, the Intel Core Duo, Intel Core Solo, Pentium® M processor families.

The target audience for this manual includes software programmers and compiler writers. This manual assumes that the reader is familiar with the basics of the IA-32 architecture and has access to the Intel® 64 and IA-32 Architectures Software Developer’s Manual (five volumes). A detailed understanding of Intel 64 and IA-32 processors is often required. In many cases, knowledge of the underlying microarchitectures is required.

The design guidelines that are discussed in this manual for developing high-performance software generally apply to current as well as to future IA-32 and Intel 64 processors. The coding rules and code optimization techniques listed target the Intel Core microarchitecture, the Intel NetBurst microarchitecture and the Pentium M processor microarchitecture. In most cases, coding rules apply to software running in 64-bit mode of Intel 64 architecture, compatibility mode of Intel 64 architecture, and IA-32 modes (IA-32 modes are supported in IA-32 and Intel 64 architectures). Coding rules specific to 64-bit modes are noted separately.

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