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泽斯爱拍亚马逊发布自主64核心ARM处理器:单核性能远超铂金至强

2019-12-04

   亚马逊刚刚发布了第二代自主设计服务器芯片"Graviton2",堪称迄今最强ARM平台处理器,对比Intel顶级的至强铂金也毫不逊色。

 
  亚马逊Graviton2采用了ARM最新的Neoverse N1 CPU架构,由自家设计团队打造,直接堆砌到64个核心,是第一代的四倍(比之前报道也多一倍),而且使用顶级配置,每个核心1MB二级缓存,总计64MB,所有核心共享32MB三级缓存。
 
  64个核心采用网格总线(Mesh Fabric)互连互通,合并带宽高达2TB/s。支持八通道DDR4-3200内存,支持硬件AES-256内存加密,支持64条PCIe 4.0。
 
  官方宣称,Graviton2性能是第一代的最多7倍,内存访问速度则是最多5倍。
 
  同时,亚马逊还推出了一系列基于Graviton2的第六代实例,包括M6g、R6g、C9g,配置不尽相同,最多256GB内存。
 
  亚马逊还将其与配备Intel至强铂金(最高3.1GHz)的第五代实例进行对比,单核心性能全面领先:SPECjvm 2008 +43%(估计)、SPEC CPU 2017整数+44%(估计)、SPEC CPU 2017浮点+24%(估计)、HTTPS负载均衡+24%、内存缓存+43%(同时延迟更低)、x2664视频编码+26%、EDA模拟+54%!
 
  亚马逊Graviton2平台将在2020年规模上市。

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