Back Conjunt d'instruccions FMA Catalan FMA x86 German Jeu d'instructions FMA French FMA (set di istruzioni) Italian FMA 명령어 집합 Korean FMA Russian FMA скуп инструкција Serbian FMA指令集 Chinese
Wikibooks has a book on the topic of: X86 Assembly/AVX, AVX2, FMA3, FMA4
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.[1] 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.[2]
- FMA3 is supported in AMD processors starting with the Piledriver architecture and Intel starting with Haswell processors and Broadwell processors since 2014.
- ^ "FMA3 and FMA4 are not instruction sets, they are individual instructions -- fused multiply add. They could be quite useful depending on how Intel and AMD implement them" Woltmann, George (Prime95). "Intel AVX and GIMPS". mersenneforum.org/index.php. Great Internet Mersenne Prime Search (GIMPS) project. Retrieved 27 July 2011.
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