我们超级计算机“天河一号”用的是自己的CPU吗?
如题。希望可以详细一点。
推荐回答(3个)
不是 天河一号用的是 6144个英特尔通用处理器
ATI的5120个图形加速处理器 我看了下那显卡 (有点像民用级的4870X2 只是我个人猜测 只供参考 呵呵)
内存总容量98TB
点点通信带宽40Gbps
共享磁盘总容量为1PB
计算阵列、加速阵列、服务阵列,以及互连通信子系统、I/O存储子系统和监控诊断子系统等
计算阵列
–2560个计算结点 ;
–每个计算结点集成2个Intel CPU,配32GB内存
加速阵列
–2560个加速结点;
–每个加速结点含2个AMD GPU、 2GB显存 。
服务阵列
–512个服务结点 ;
–每个服务结点含2个Intel EP CPU、32GB内存 。
互连通信子系统
–采用两级Infiniband QDR互 ;
–单个通信链路的通信带宽为40Gbps、延迟1.2μs 。
I/O存储子系统
–采用全局分布共享并行I/O系统结构 ;
–磁盘总容量1PB 。
监控
–采用分布式集中管理结构,实现全系统的实时安全监测、系统控制和调试诊断等功能
软件系统
–操作系统、编译系统、资源管理系统和并行程序开发环境等四部分组成 。
操作系统
–操作系统采用64位Linux ;
–面向高性能并行计算、支持能耗管理、虚拟化和安全隔离等进行了针对性设计 。
编译系统
–支持C、C++、Fortran77/90/95、Java语言;
–支持OpenMP、MPI并行编程 ;
–提供异构协同编程框架,高效发挥CPU和GPU的协同计算能力 。
资源管理
–提供全系统资源统一视图,实现多策略资源分配与作业调度,有效提高资源利用率和系统吞吐率
并行程序开发环境
–并行程序开发环境提供一体化图形用户界面,支持应用程序的调试和性能分析 。
峰值性能
1.206PFlops,LINPACK测试性能563.1TFlops@575MHz,超过2009年6月TOP500第四位 ;
系统能效
431.7MFlops/W,超过2009年6月Green500第五位 。
操作系统
符合B2级安全标准,提供基于隔离的用户安全工作环境
提供统一的全系统资源管理视图、友好的系统管理使用界面、一体化的并行应用集成开发环境和虚拟化的网络计算环境
天河一号采用6144个Intel至强(Xeon)多核服务器CPU(2.53 GHz的E5540和3GHz的E5450均有),5120个AMD-ATI 镭(Radeon)4870 显卡GPU,内存总容量98TB(100352 GB,10万G)
简单来说就是国外制作国内拼装,加上我们的这台世界上也就四台,不过核心部分都是受制于人不值得骄傲,就跟开国大典上的万国牌装备一样,希望以后能发展出自己的核心部件了
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