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FMA (англ. Fused Multiply-Add, умножение-с … FMA (англ. Fused Multiply-Add, умножение-сложение с однократным округлением) — это набор опциональных 128- и 256-битных SIMD-инструкций для архитектур x86 и x86-64, предназначенный для выполнения операции умножения-сложения над числами в формате с плавающей запятой. Существует два варианта расширений, добавляющих инструкции FMA:
* FMA4 поддерживается процессорами AMD начиная с архитектуры Bulldozer. FMA4 было реализовано раньше FMA3, однако впоследствии AMD отказалась от поддержки данного расширения. Это стало нецелесообразным, поскольку Intel не стала внедрять в своих процессорах FMA4.
* FMA3 поддерживается процессорами Intel начиная с архитектуры Haswell и процессорами AMD начиная с архитектуры .и процессорами AMD начиная с архитектуры .
, The FMA instruction set is an extension to … The FMA instruction set is an extension to the 128 and 256-bit Streaming SIMD Extensions instructions in the x86 microprocessor instruction set to perform fused multiply–add (FMA) operations. There are two variants:
* FMA4 is supported in AMD processors starting with the Bulldozer architecture. FMA4 was performed in hardware before FMA3 was. Support for FMA4 has been removed since Zen 1.
* FMA3 is supported in AMD processors starting with the Piledriver architecture and Intel starting with Haswell processors and Broadwell processors since 2014.ssors and Broadwell processors since 2014.
, FMA 명령어 집합(영어: FMA instruction set)은 단일 곱셈-누산기(FMA)계산을 하기위한 x86 마이크로프로세서 명령어 집합에서의 128비트 SIMD명령어들이다. 여기에는 두가지의 종류가 있다.
* FMA3는 인텔의 해스웰 마이크로아키텍처에서부터 지원된다.
* FMA4는 2011년에 발표하는 AMD의 AMD 프로세서에서부터 지원될 예정이다.
, FMA x86 ist eine Befehlssatzerweiterung fü … FMA x86 ist eine Befehlssatzerweiterung für Mikroprozessoren von Intel und AMD zur Unterstützung der Fused-Multiply-Add-Technik (FMA). Von AMD erfolgte hierzu erstmals eine Umsetzung in den „Bulldozer“-CPUs. Intel setzte dies erst in den Haswell-Prozessoren ein. Es gibt zwei nicht miteinander kompatible Ausführungen, FMA4 und FMA3:
* FMA4 ist die vollwertige Version, die eine Operation der Form erlaubt;
* FMA3 erfordert dagegen, dass das Zielregister eines der Operandenregister ist, und dieser dadurch überschrieben wird.st, und dieser dadurch überschrieben wird.
, FMA指令集（英語：Fused-Multiply-Add，即积和熔加运算）是x86架 … FMA指令集（英語：Fused-Multiply-Add，即积和熔加运算）是x86架构微处理器上的指令集。FMA指令集是128位元和256位元的流式單指令流多資料流擴充集（SSE）指令集，以进行积和熔加运算。FMA指令集允许建立新的指令并有效率地执行各种复杂的运算，可结合乘法与加法运算（即进行积和熔加运算），通过单一指令执行多次重复计算，从而简化程序，从而使系统能快速执行绘图、渲染、相片着色、立体音效，及复杂向量运算等计算量大的工作。現時x86指令集中有兩種FMA指令集：
* FMA4：是一種四元運算指令集，由AMD於2011年發表並首次使用於Bulldozer微架構上。其實作比FMA3指令集來得早。
* FMA3：是一种三元运算指令集，由AMD於2012年發表並首次使用於Piledriver微架構上，英特爾也在2013年發表的Haswell微架構開始支援FMA3指令集。er微架構上，英特爾也在2013年發表的Haswell微架構開始支援FMA3指令集。
, Il set di istruzioni FMA è un'estensione d … Il set di istruzioni FMA è un'estensione delle istruzioni a 128 e 256 bit per le estensioni Streaming SIMD Extensions dell'Instruction set dei microprocessori x86 per eseguire operazioni FMA. Ci sono due varianti:
* FMA4 è supportato nei processori AMD a partire dall'architettura Bulldozer. FMA4 è stato realizzato in hardware prima di FMA3.
* FMA3 è supportato nei processori AMD a partire dall'architettura e Intel a partire dai processori Haswell e Broadwell dal 2014.i processori Haswell e Broadwell dal 2014.
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FMA 명령어 집합(영어: FMA instruction set)은 단일 곱셈-누산기(FMA)계산을 하기위한 x86 마이크로프로세서 명령어 집합에서의 128비트 SIMD명령어들이다. 여기에는 두가지의 종류가 있다.
* FMA3는 인텔의 해스웰 마이크로아키텍처에서부터 지원된다.
* FMA4는 2011년에 발표하는 AMD의 AMD 프로세서에서부터 지원될 예정이다.
, Il set di istruzioni FMA è un'estensione d … Il set di istruzioni FMA è un'estensione delle istruzioni a 128 e 256 bit per le estensioni Streaming SIMD Extensions dell'Instruction set dei microprocessori x86 per eseguire operazioni FMA. Ci sono due varianti:
* FMA4 è supportato nei processori AMD a partire dall'architettura Bulldozer. FMA4 è stato realizzato in hardware prima di FMA3.
* FMA3 è supportato nei processori AMD a partire dall'architettura e Intel a partire dai processori Haswell e Broadwell dal 2014.i processori Haswell e Broadwell dal 2014.
, FMA (англ. Fused Multiply-Add, умножение-с … FMA (англ. Fused Multiply-Add, умножение-сложение с однократным округлением) — это набор опциональных 128- и 256-битных SIMD-инструкций для архитектур x86 и x86-64, предназначенный для выполнения операции умножения-сложения над числами в формате с плавающей запятой. Существует два варианта расширений, добавляющих инструкции FMA:та расширений, добавляющих инструкции FMA:
, The FMA instruction set is an extension to … The FMA instruction set is an extension to the 128 and 256-bit Streaming SIMD Extensions instructions in the x86 microprocessor instruction set to perform fused multiply–add (FMA) operations. There are two variants:
* FMA4 is supported in AMD processors starting with the Bulldozer architecture. FMA4 was performed in hardware before FMA3 was. Support for FMA4 has been removed since Zen 1.
* FMA3 is supported in AMD processors starting with the Piledriver architecture and Intel starting with Haswell processors and Broadwell processors since 2014.ssors and Broadwell processors since 2014.
, FMA指令集（英語：Fused-Multiply-Add，即积和熔加运算）是x86架 … FMA指令集（英語：Fused-Multiply-Add，即积和熔加运算）是x86架构微处理器上的指令集。FMA指令集是128位元和256位元的流式單指令流多資料流擴充集（SSE）指令集，以进行积和熔加运算。FMA指令集允许建立新的指令并有效率地执行各种复杂的运算，可结合乘法与加法运算（即进行积和熔加运算），通过单一指令执行多次重复计算，从而简化程序，从而使系统能快速执行绘图、渲染、相片着色、立体音效，及复杂向量运算等计算量大的工作。現時x86指令集中有兩種FMA指令集：
* FMA4：是一種四元運算指令集，由AMD於2011年發表並首次使用於Bulldozer微架構上。其實作比FMA3指令集來得早。
* FMA3：是一种三元运算指令集，由AMD於2012年發表並首次使用於Piledriver微架構上，英特爾也在2013年發表的Haswell微架構開始支援FMA3指令集。er微架構上，英特爾也在2013年發表的Haswell微架構開始支援FMA3指令集。
, FMA x86 ist eine Befehlssatzerweiterung fü … FMA x86 ist eine Befehlssatzerweiterung für Mikroprozessoren von Intel und AMD zur Unterstützung der Fused-Multiply-Add-Technik (FMA). Von AMD erfolgte hierzu erstmals eine Umsetzung in den „Bulldozer“-CPUs. Intel setzte dies erst in den Haswell-Prozessoren ein. Es gibt zwei nicht miteinander kompatible Ausführungen, FMA4 und FMA3:
* FMA4 ist die vollwertige Version, die eine Operation der Form erlaubt;
* FMA3 erfordert dagegen, dass das Zielregister eines der Operandenregister ist, und dieser dadurch überschrieben wird.st, und dieser dadurch überschrieben wird.
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| rdfs:label |
FMA (set di istruzioni)
, FMA 명령어 집합
, FMA指令集
, FMA
, FMA instruction set
, FMA x86
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