Difference between revisions of "AMX"

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[[wikipedia:AMX]]
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'''[[wikipedia:Advanced Matrix Extensions]]''' ('''AMX'''), also known as '''Intel Advanced Matrix Extensions''' ('''Intel AMX'''), are extensions to the [[x86]] [[instruction set architecture]] (ISA) for [[microprocessor]]s from [[Intel]] and [[Advanced Micro Devices]] (AMD) designed to work on [[matrix (mathematics)|matrices]] to accelerate [[artificial intelligence]] (AI) / [[machine learning]] (ML) -related workloads.<ref>{{Cite web|url=https://www.nextplatform.com/2021/08/19/with-amx-intel-adds-ai-ml-sparkle-to-sapphire-rapids/|title=With AMX, Intel Adds AI/ML Sparkle to Sapphire Rapids|first=Nicole|last=Hemsoth|date=August 19, 2021|website=The Next Platform}}</ref>
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==Extensions==
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AMX was introduced by Intel in June 2020 and first supported by Intel with the [[Sapphire Rapids]] [[microarchitecture]] for [[Xeon]] servers, planned for 2021.<ref>{{Cite web|url=https://www.heise.de/news/Intel-AMX-Erste-Informationen-zur-Advanced-Matrix-Extensions-Architecture-4797415.html|title=Intel AMX: Erste Informationen zur Advanced Matrix Extensions Architecture|first=heise|last=online|website=heise online}}</ref><ref>{{Cite web|url=https://www.anandtech.com/show/16921/intel-sapphire-rapids-nextgen-xeon-scalable-gets-a-tiling-upgrade|title=Intel Xeon Sapphire Rapids: How To Go Monolithic with Tiles|first=Dr Ian|last=Cutress|website=[[AnandTech]]}}</ref> It introduced 2-dimensional [[processor register|registers]] called tiles upon which accelerators can perform operations. It is intended as an extensible architecture, the first accelerator implemented is called tile matrix multiply unit (TMUL).<ref>https://software.intel.com/content/dam/develop/public/us/en/documents/architecture-instruction-set-extensions-programming-reference.pdf</ref> <ref>{{Cite web|url=https://fuse.wikichip.org/news/3600/the-x86-advanced-matrix-extension-amx-brings-matrix-operations-to-debut-with-sapphire-rapids/|title=The x86 Advanced Matrix Extension (AMX) Brings Matrix Operations; To Debut with Sapphire Rapids|first=David|last=Schor|date=June 29, 2020}}</ref>
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=== Software support ===
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*Compiler and assembler support
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** [[LLVM]] initial support committed at 1 July 2020<ref>{{Cite web|url=https://www.phoronix.com/scan.php?page=news_item&px=Intel-AMX-LLVM-Starts|title=Intel AMX Support Begins Landing In LLVM|last=Larabel |first=Michael|date=2020-07-02|website=[[Phoronix]]|language=en-US|access-date=2020-07-02}}</ref><ref>{{Cite web|url=https://github.com/llvm/llvm-project/commit/aded4f0cc070fcef6763c9a3c2ba764d652b692e|title=[X86-64] Support Intel AMX instructions |date=2020-07-02|language=en-US|access-date=2020-07-02}}</ref> <ref name=":0">{{Cite web|url=https://www.phoronix.com/scan.php?page=news_item&px=Intel-AMX-Gas|title=Intel AMX Support Lands In The GNU Assembler|last=Larabel|first=Michael|date=2020-07-02|website=[[Phoronix]]|language=en-US|access-date=2020-07-02}}</ref>
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** [[GNU Assembler]] (GAS) initial support committed at 25 June 2020<ref>{{Cite web|url=https://sourceware.org/git/?p=binutils-gdb.git&a=search&st=commit&s=Intel+AMX|title=commits with Intel AMX|date=2020-07-02|language=en-US|access-date=2020-07-02}}</ref> <ref name=":0"/>
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** [[GNU Compiler Collection|GCC]] patches have been posted for version 11<ref>{{Cite web|url=https://gcc.gnu.org/pipermail/gcc-patches/2020-July/549415.html|title=[PATCH] Enable GCC support for AMX|date=2020-07-06|language=en-US|access-date=2020-07-09}}</ref>
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*Operating system support
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**[[glibc]] support for detecting AMX feature in CPUs committed at 25 Jun 2020<ref>{{Cite web|url=https://sourceware.org/git/?p=glibc.git;a=commit;h=4fdd4d41a17dda26c854ed935658154a17d4b906|title=x86: Detect Intel Advanced Matrix Extensions|date=2020-07-02|language=en-US|access-date=2020-07-02}}</ref>
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**[[Linux kernel]] support is available since [[5.16]]<ref>{{Cite web|url=https://www.phoronix.com/scan.php?page=news_item&px=Linux-FPU-Cleaning-For-AMX|title=Linux x86 FPU Code Getting Reworked In Preparation For Intel AMX - Phoronix|website=[[Phoronix]]}}</ref>
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== References ==
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{{Reflist}}
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== External links ==
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* [https://software.intel.com/sites/landingpage/IntrinsicsGuide/ Intel Intrinsics Guide]
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* [https://en.wikichip.org/wiki/x86/amx Wikichip: Advanced Matrix Extension (AMX) - x86]
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== See also ==
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* {{Intel}}
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[[Category:X86]]

Latest revision as of 07:31, 30 March 2022

wikipedia:Advanced Matrix Extensions (AMX), also known as Intel Advanced Matrix Extensions (Intel AMX), are extensions to the x86 instruction set architecture (ISA) for microprocessors from Intel and Advanced Micro Devices (AMD) designed to work on matrices to accelerate artificial intelligence (AI) / machine learning (ML) -related workloads.[1]

Extensions[edit]

AMX was introduced by Intel in June 2020 and first supported by Intel with the Sapphire Rapids microarchitecture for Xeon servers, planned for 2021.[2][3] 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 called tile matrix multiply unit (TMUL).[4] [5]

Software support[edit]

  • Compiler and assembler support
  • Operating system support

References[edit]

  1. Hemsoth, Nicole (August 19, 2021). "With AMX, Intel Adds AI/ML Sparkle to Sapphire Rapids". The Next Platform.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  2. online, heise. "Intel AMX: Erste Informationen zur Advanced Matrix Extensions Architecture". heise online.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  3. Cutress, Dr Ian. "Intel Xeon Sapphire Rapids: How To Go Monolithic with Tiles". AnandTech.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  4. https://software.intel.com/content/dam/develop/public/us/en/documents/architecture-instruction-set-extensions-programming-reference.pdf
  5. Schor, David (June 29, 2020). "The x86 Advanced Matrix Extension (AMX) Brings Matrix Operations; To Debut with Sapphire Rapids".<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  6. Larabel, Michael (2020-07-02). "Intel AMX Support Begins Landing In LLVM". Phoronix. Retrieved 2020-07-02.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  7. "[X86-64] Support Intel AMX instructions". 2020-07-02. Retrieved 2020-07-02.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  8. 8.0 8.1 Larabel, Michael (2020-07-02). "Intel AMX Support Lands In The GNU Assembler". Phoronix. Retrieved 2020-07-02.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  9. "commits with Intel AMX". 2020-07-02. Retrieved 2020-07-02.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  10. "[PATCH] Enable GCC support for AMX". 2020-07-06. Retrieved 2020-07-09.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  11. "x86: Detect Intel Advanced Matrix Extensions". 2020-07-02. Retrieved 2020-07-02.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  12. "Linux x86 FPU Code Getting Reworked In Preparation For Intel AMX - Phoronix". Phoronix.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>

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External links[edit]

See also[edit]

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