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public:99_annexes:annex-b-terms-and-definitions:x:x86-64 [2026/09/12 17:42] – removed - external edit (Unknown date) 127.0.0.1public:99_annexes:annex-b-terms-and-definitions:x:x86-64 [2026/09/12 17:43] (current) – ↷ Links adapted because of a move operation nick_dido
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 +====== x86-64 ======
  
 +[[public:99_annexes:annex-b-terms-and-definitions:start|Go up to Terms and Definitions]]
 +
 +===== Discussion =====
 +
 +x86-64 identifies the 64-bit extension of the x86 instruction set architecture. AMD introduced the architecture as AMD64. Other common labels include x86_64 and amd64.
 +
 +Operating systems, package managers, build tools, virtualization platforms, and infrastructure providers use different labels for this architecture. A controlled architecture model should normalize these labels while preserving the source-specific label required by each implementation.
 +
 +Image format does not determine processor architecture. Converting a Machine Image among raw, QCOW2, VMDK, VHD, or another representation does not convert the executable content from one processor architecture to another.
 +
 +===== Definition =====
 +
 +*A 64-bit instruction set architecture that extends the x86 architecture with 64-bit general-purpose registers, 64-bit addressing, and execution of compatible 64-bit and legacy x86 software.*
 +
 +===== Source =====
 +
 +  * AMD, //AMD64 Architecture Programmer’s Manual//, Volumes 1–5
 +  * [[public:99_annexes:annex-c-references:start|References]]
 +
 +===== Note =====
 +
 +The terms **AMD64**, **x86-64**, **x86_64**, and **amd64** commonly identify the same processor architecture. Individual operating systems, tools, and providers select different labels.
 +
 +The term does not identify a processor manufacturer, Machine Image format, operating system, virtualization technology, or specific processor implementation.
 +
 +===== Example =====
 +
 +A Crucible Image Record identifies `x86-64` as the normalized processor architecture while retaining `amd64` as the architecture label used by an Ubuntu package repository.
 +
 +----
 +
 +<WRAP centeralign>
 +© 2026 Dido Solutions, Inc. and Jackrabbit Consulting, Inc.
 +</WRAP>