今天分享点ARM相关知识,内容包括:ARM前世今生解读,ARM业务介绍和AIoT新领域扩张、ARM新商业模式和生态、ARM架构和新产品、ARM面临哪些挑战等5部分内容。
Arm架构为处理器或核心的设计提供了基础。Arm体系结构用于多种技术中,并集成到了智能手机,微型计算机,嵌入式设备甚至服务器等片上系统(SoC)设备中。
该结构为软件开发人员提供了通用的指令集和工作流,也称为程序模型。这有助于确保体系结构的不同实现之间的互操作性,以便软件可以在不同的Arm设备上运行。
Cycle Models是由ArmRTL直接编译而来,保留了完整的功能以及精准的周期,借助Cycle Models,您可以放心的选择和配置Arm IP,还可以自信地做出体系结构决策、优化系统性能,并在芯片可用之前做裸机固件开发。
ARM经营策略: - 在长尾的芯片IP业务上努力保持份额
- 增加单设备的ARM版税收入(研发更多更牛芯片IP,增加客户依赖度)
- 增加对新技术研发力度,如GPU,AI芯片IP等
- 在新领域上增加投入,开辟智能手机外的新的市场空间(芯片IP或服务)
ARM认为智能设备(智能手机等),自治设备(智能汽车、机器人等),增强现实(AR),大规模云计算和联接,以及针对这些应用的安全和隐私是未来几个大趋势和战略机会。
- 新ARM中国成立,为了打消中国尤其是监管部门对ARM被收购后独立性的疑虑
- ARM中国基本是母公司的中国销售公司,拥有独立的定价权和销售决策能力,可以提升竞争力
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- ARM中国依然采用IP授权模式,参考母公司也已建立的商业模式运营。
- Offering采用ARM IP产品,ARM中国未来可能形成的自研IP产品也可以通过母公司销往全球。
Arm架构是当今世界上最受欢迎的处理器架构之一,每年出货数十亿个基于Arm的设备。共有三个体系结构配置:A,R和M。
Armv8-A是Arm的一个重要里程碑。直到包括Armv7-A/R在内,Arm架构都是32位架构。Armv8-A是64位体系结构,尽管它仍支持32位执行,以向后兼容旧版软件(例如:v7,v6和v5)。
ARM 2020 TechDay,ARM发布了一个新CPU微体系结构,以及Cortex-A78和Cortex-X1产品。该系列产品为该公司的新旗舰性能设计,也是进军服务器领域的有意表现,标志着Arm的业务模型和设计方法学上极为重要的差异,最终解决了该公司多年的产品线折衷方案。
Mali-G68是ARM首款次旗舰级GPU,定位于Mali-G70系列、Mali-G50系列中间,架构、特性完全沿袭Mali-G78,唯一区别就是最多只能支持6个核心。也就是配置1-6个核心就叫Mali-G68,配置7-24个核心就叫你Mali-G78。
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