Description: AArch64 is the 64-bit instruction set architecture (ISA) developed by ARM Holdings, designed for processors that require high performance and energy efficiency. This architecture is part of the ARMv8 family, which introduced support for 64-bit, allowing developers to take advantage of greater memory capacity and a broader instruction set. AArch64 is characterized by its simplified design and focus on efficiency, making it ideal for a wide range of applications, including mobile devices, servers, and embedded systems. Additionally, AArch64 includes advanced features such as support for virtualization, enhanced security, and a programming model that facilitates performance optimization. The architecture is backward compatible with earlier ARM versions, allowing developers to migrate existing applications with minimal difficulty. Its popularity has grown in recent years, especially in the smartphone and tablet market, where AArch64-based processors dominate. It has also found applications in the server space, where its energy efficiency and performance are highly valued.
History: AArch64 was introduced in 2011 as part of the ARMv8 architecture, marking a significant shift by incorporating support for 64-bit. This advancement allowed ARM to compete more effectively in the server and high-performance computing markets. Since its launch, AArch64 has evolved with new extensions and improvements, maintaining its relevance in the industry.
Uses: AArch64 is primarily used in mobile devices, such as smartphones and tablets, where its energy efficiency and performance are crucial. It is also applied in servers and embedded systems, as well as in high-performance computing and virtualization applications.
Examples: Examples of processors that use AArch64 include the Apple A14 Bionic, Qualcomm Snapdragon 888, and Ampere Altra series processors, which are used in servers.
