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Intel ADX (Multi-Precision Add-Carry Instruction Extensions) is Intel's arbitrary-precision arithmetic extension to the x86 instruction set architecture (ISA). Intel ADX was first supported in the Broadwell microarchitecture .
AMX was introduced by Intel in June 2020 and first supported by Intel with the Sapphire Rapids microarchitecture for Xeon servers, released in January 2023. [3] [4] It introduced 2-dimensional registers called tiles upon which accelerators can perform operations. It is intended as an extensible architecture; the first accelerator implemented is ...
The x86 instruction set has several times been extended with SIMD (Single instruction, multiple data) instruction set extensions.These extensions, starting from the MMX instruction set extension introduced with Pentium MMX in 1997, typically define sets of wide registers and instructions that subdivide these registers into fixed-size lanes and perform a computation for each lane in parallel.
AMD was the first to introduce the instructions that now form Intel's BMI1 as part of its ABM (Advanced Bit Manipulation) instruction set, then later added support for Intel's new BMI2 instructions. AMD today advertises the availability of these features via Intel's BMI1 and BMI2 cpuflags and instructs programmers to target them accordingly.
Advanced Vector Extensions 2 (AVX2), also known as Haswell New Instructions, [24] is an expansion of the AVX instruction set introduced in Intel's Haswell microarchitecture. AVX2 makes the following additions:
Some later Intel 486 chips also support it. [ 8 ] [ 9 ] The enhancements address mainly the 8086 virtualization overhead, with a particular focus on (virtual) interrupts. [ 6 ] [ 10 ] Before the extensions were publicly documented in the P6 documentation, the official documentation referred to the famed Appendix H , which was omitted from the ...
The SSE5 specification included a proposed extension to the general coding scheme of x86 instructions in order to allow instructions to have more than two operands. In 2008, Intel announced their planned AVX instruction set which proposed a different way of coding instructions with more than two operands.
ADX (file format), a streamed audio format; Authenticated Data Experiment, an early release of Bluesky's decentralized social network protocol; Average directional movement index, a technical indicator of trend strength in prices of a financial instrument such as a stock or bond