Submission declined on 7 November 2023 by WikiOriginal-9 (talk).
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Comment: Not quite enough independent, significant coverage to prove why this is notable enough for a Wikipedia article. WikiOriginal-9 (talk) 04:16, 7 November 2023 (UTC)
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Advanced Performance Extensions (APX), also known as Intel Advanced Performance Extensions (Intel APX), are extensions to the x86 instruction set architecture (ISA) for microprocessors from Intel.[1][2][3] Called "generational"[4] and "the biggest x86 addition since 64 bits",[5] the improvements double the number of general-purpose registers from 16 to 32 and add new features to improve general-purpose performance.[6]
Intel contributed APX support to GNU Compiler Collection (GCC) 14.[7] Support is also in GNU Binutils 2.42.
Extensions edit
According to the architecture specification,[8] the main features of APX follow:
- 16 additional general-purpose registers, called the Extended GPRs (EGPRs)
- Three-operand instruction formats for many integer instructions
- New conditional instructions for loads, stores, and comparisons with common instructions that don't modify flags
- Optimized register save/restore operations
- A 64-bit absolute direct jump instruction
Extended GPRs for general purpose instructions are encoded using 2-byte REX2 prefix, while new instructions and extended operands for existing AVX/AVX2/AVX-512 instructions are encoded with extended EVEX prefix which has four variants used for different groups of instructions.
References edit
- ^ Robinson, Dan. "Intel adds fresh x86 and vector instructions for future chips". The Register. Retrieved 22 October 2023.
- ^ Bonshor, Gavin. "Intel Unveils AVX10 and APX Instruction Sets: Unifying AVX-512 For Hybrid Architectures". AnandTech. Retrieved 22 October 2023.
- ^ Alcorn, Paul (24 July 2023). "Intel's New AVX10 Brings AVX-512 Capabilities to E-Cores". Tom's Hardware. Retrieved 22 October 2023.
- ^ Shah, Agam (9 August 2023). "Intel's Generational On-Chip Change APX Will Make All the Apps Faster". The New Stack. Retrieved 22 October 2023.
- ^ Byrne, Joseph. "APX is Biggest x86 Addition Since 64 Bits". Tech Insights.
- ^ Winkel, Sebastian; Agron, Jason. "Advanced Performance Extensions (APX)". Intel. Retrieved 2023-10-22.
- ^ Larabel, Michael. "Intel APX Code Begins Landing Within The GCC Compiler". Phoronix. Retrieved 22 October 2023.
- ^ "Intel® Advanced Performance Extensions (Intel® APX) Architecture Specification". Intel. 2023-07-21. Retrieved 2023-10-22.
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