ARM adds some features to the ARMv 8.1-A architecture, and the security and speed of the chip will be further improved. The new architecture is an upgrade to the existing ARMv8-A architecture. Both the Apple A8 chip and the Android device chip use the ARMv8-A architecture.
David Brash, head of the ARM architecture and technology group architecture project, said in a blog post that the impact of architectural changes is more pronounced on larger devices than on mobile devices.
New features will affect server performance. ARM hopes to take a share in the server chip market. Vendors such as AMD, Cavium, AppliedMicro, and Qualcomm have released or are investing in ARM server chips. The first test chips based on the ARMv 8.1-A architecture will be available next year.
Apple developed the first 64-bit chip with ARMv8-A architecture, and may adopt a new architecture. It takes time for the new processor architecture to appear in the device. For example, the ARMv8-A was released in 2011 and was only used in the iPhone 5S mobile phone last year.
Brash said in the blog post, "It is important to recognize that it takes years to introduce these enhancements into the chip core. It is important that other design choices have a greater impact on system performance."
Currently, ARM has issued 57 ARMv8-A processor and architecture licenses, and more products with ARMv8-A chips will be available for sale in the next few years, such as 64-bit smartphones and tablets.
The upgrade of the ARMv 8.1-A architecture is related to memory addressing, security, virtualization technology, and throughput. ARMv8-A software can run on ARMv8.1-A architecture chips.
Brash revealed in the blog post that ARM has partnered with partners when upgrading the architecture.
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