K12 was to be
AMD
Advanced Micro Devices, Inc. (AMD) is an American multinational semiconductor company based in Santa Clara, California, that develops computer processors and related technologies for business and consumer markets. While it initially manufactur ...
's first custom microarchitecture based on the
ARMv8-A
ARM (stylised in lowercase as arm, formerly an acronym for Advanced RISC Machines and originally Acorn RISC Machine) is a family of reduced instruction set computer (RISC) instruction set architectures for computer processors, configured ...
(
AArch64
AArch64 or ARM64 is the 64-bit extension of the ARM architecture family.
It was first introduced with the Armv8-A architecture. Arm releases a new extension every year.
ARMv8.x and ARMv9.x extensions and features
Announced in October 2011, AR ...
)
instruction set
In computer science, an instruction set architecture (ISA), also called computer architecture, is an abstract model of a computer. A device that executes instructions described by that ISA, such as a central processing unit (CPU), is called an ' ...
with a planned release in 2017. Its predecessor, the
Opteron
Opteron is AMD's x86 former server and workstation processor line, and was the first processor which supported the AMD64 instruction set architecture (known generically as x86-64 or AMD64). It was released on April 22, 2003, with the ''SledgeHa ...
A1100 series, also ARMv8-A, used
ARM Cortex-A57
The ARM Cortex-A57 is a central processing unit implementing the ARMv8-A 64-bit instruction set designed by ARM Holdings. The Cortex-A57 is an out-of-order superscalar pipeline. It is available as SIP core to licensees, and its design makes ...
cores. the product still hasn't been released, with development of ARM architectures continuing but no products planned.
The microarchitecture was to focus on high frequency and power efficiency and was to target the dense server,
embedded and semi-custom market segments.
See also
*
Zen (microarchitecture)
Zen is the codename for a family of computer processor microarchitectures from AMD, first launched in February 2017 with the first generation of its Ryzen CPUs. It is used in Ryzen (desktop and mobile), Ryzen Threadripper (workstation/high end ...
References
ARM architecture
AMD microarchitectures
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