ARM company will hold DevSummit event this week, during which it will discuss the future of its products, especially for developers.Today, in one of the keynote speeches, the company revealed that arm CPU will give up support for 32-bit applications. In the past few years, 32-bit applications and software have been slowly eliminated, and major operating system developers are promoting the development of users to 64 bit.
Apple started to require applications to support 64 bit architecture in 2015. In 2017, apple completely gave up support for 32-bit applications on 64 bit devices, so at least users won't see any changes in apple.
Last year, Google launched its own drive for 64 bit computing, stipulating that new applications and app updates must support 64 bit, but some existing games will only get 32-bit updates until August 2021. From next year, applications that do not specifically support 64 bit devices will no longer provide services to users on these devices.
Certainly, that means there will be little impact on what applications users can use, because the largest platform running on the ARM CPU already requires applications to support 64 bits. this means that ARM can remove some of the additional silicon wafer area needed to support these applications from their CPU, thus freeing up more space to achieve higher performance or better heat dissipation. And it's worth noting that, in hardware terms, this transition only affects the ARM CPU
This change will appear in ARM CPU in 2022, but these CPU will probably not appear in consumer equipment until the next year, as the company's design needs to be gradually adopted by third-party manufacturers such as Qualcomm and MediaTek. ARM launched earlier this year Cortex-A78CPU, but we haven't seen it in consumer products. However, the company has promised that its 2022 chips will improve performance by 30% compared with the ones introduced this year.