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CPUID and X86-64

Shortcuts: Differences, Similarities, Jaccard Similarity Coefficient, References.

Difference between CPUID and X86-64

CPUID vs. X86-64

The CPUID opcode is a processor supplementary instruction (its name derived from CPU IDentification) for the x86 architecture allowing software to discover details of the processor. x86-64 (also known as x64, x86_64, AMD64 and Intel 64) is the 64-bit version of the x86 instruction set.

Similarities between CPUID and X86-64

CPUID and X86-64 have 22 things in common (in Unionpedia): Advanced Micro Devices, Centaur Technology, Compare-and-swap, Find first set, IA-64, Intel, Intel 80486, Long mode, Machine code, MIPS architecture, NX bit, Page table, Physical Address Extension, PowerPC, SSE2, SSE3, Streaming SIMD Extensions, VIA Technologies, Virtual 8086 mode, X86, X86 virtualization, X87.

Advanced Micro Devices

Advanced Micro Devices, Inc. (AMD) is an American multinational semiconductor company based in Santa Clara, California, that develops computer processors and related technologies for business and consumer markets.

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Centaur Technology

Centaur Technology is an x86 CPU design company, now a wholly owned subsidiary of VIA Technologies, a member of the Formosa Plastics Group, Taiwan's largest industrial conglomerate.

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Compare-and-swap

In computer science, compare-and-swap (CAS) is an atomic instruction used in multithreading to achieve synchronization.

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Find first set

In software, find first set (ffs) or find first one is a bit operation that, given an unsigned machine word, identifies the least significant index or position of the bit set to one in the word.

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IA-64

IA-64 (also called Intel Itanium architecture) is the instruction set architecture (ISA) of the Itanium family of 64-bit Intel microprocessors.

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Intel

Intel Corporation (stylized as intel) is an American multinational corporation and technology company headquartered in Santa Clara, California, in the Silicon Valley.

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Intel 80486

The Intel 80486, also known as the i486 or 486, is a higher performance follow-up to the Intel 80386 microprocessor.

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Long mode

In the x86-64 computer architecture, long mode is the mode where a 64-bit operating system can access 64-bit instructions and registers.

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Machine code

Machine code is a computer program written in machine language instructions that can be executed directly by a computer's central processing unit (CPU).

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MIPS architecture

MIPS (an acronym for Microprocessor without Interlocked Pipeline Stages) is a reduced instruction set computer (RISC) instruction set architecture (ISA)Price, Charles (September 1995).

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NX bit

The NX bit (no-execute) is a technology used in CPUs to segregate areas of memory for use by either storage of processor instructions (code) or for storage of data, a feature normally only found in Harvard architecture processors.

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Page table

A page table is the data structure used by a virtual memory system in a computer operating system to store the mapping between virtual addresses and physical addresses.

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Physical Address Extension

In computing, Physical Address Extension (PAE), sometimes referred to as Page Address Extension, is a memory management feature for the x86 architecture.

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PowerPC

PowerPC (with the backronym Performance Optimization With Enhanced RISC – Performance Computing, sometimes abbreviated as PPC) is a reduced instruction set computing (RISC) instruction set architecture (ISA) created by the 1991 Apple–IBM–Motorola alliance, known as AIM.

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SSE2

SSE2 (Streaming SIMD Extensions 2) is one of the Intel SIMD (Single Instruction, Multiple Data) processor supplementary instruction sets first introduced by Intel with the initial version of the Pentium 4 in 2000.

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SSE3

SSE3, Streaming SIMD Extensions 3, also known by its Intel code name Prescott New Instructions (PNI), is the third iteration of the SSE instruction set for the IA-32 (x86) architecture.

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Streaming SIMD Extensions

In computing, Streaming SIMD Extensions (SSE) is an SIMD instruction set extension to the x86 architecture, designed by Intel and introduced in 1999 in their Pentium III series of processors shortly after the appearance of AMD's 3DNow!.

CPUID and Streaming SIMD Extensions · Streaming SIMD Extensions and X86-64 · See more »

VIA Technologies

VIA Technologies Inc., is a Taiwanese manufacturer of integrated circuits, mainly motherboard chipsets, CPUs, and memory.

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Virtual 8086 mode

In the 80386 microprocessor and later, virtual 8086 mode (also called virtual real mode, V86-mode or VM86) allows the execution of real mode applications that are incapable of running directly in protected mode while the processor is running a protected mode operating system.

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X86

x86 is a family of backward-compatible instruction set architectures based on the Intel 8086 CPU and its Intel 8088 variant.

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X86 virtualization

In computing, x86 virtualization refers to hardware virtualization for the x86 architecture.

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X87

x87 is a floating point-related subset of the x86 architecture instruction set.

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The list above answers the following questions

CPUID and X86-64 Comparison

CPUID has 110 relations, while X86-64 has 196. As they have in common 22, the Jaccard index is 7.19% = 22 / (110 + 196).

References

This article shows the relationship between CPUID and X86-64. To access each article from which the information was extracted, please visit:

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