NONUNIFORM MEMORY ACCESS

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NONUNIFORM MEMORY ACCESS

COMPUTER ORGANIZATION AND ARCHITECTURE DESIGNING FOR PERFORMANCE NINTH EDITION In terms of commercial products, the two common approaches to providing a multiple-processor system to support applications are SMPs and clusters. For some years, another…

cache-coherent nonuniform memory access

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numactl 修改非统一内存访问架构 NUMA(Non Uniform Memory Access Architecture)模式

当今数据计算领域的主要应用程序和模型可大致分为三大类: (1)联机事务处理(OLTP). (2)决策支持系统(DSS) (3)企业信息通讯(BusinessCommunications) 上述三类系统设计人员在计算平台的体系结构方面可以选择: (1)小型独立服务器模式 (2)对称多处理SMP(Symmetrical Multi-Processing)模式 (3)大规模并行处理MPP(Massive Parallel Processing)模式 (4)非统一内存访问架构NUMA(Non Unifo…

ARM: STM32F7: hardfault caused by unaligned memory access

ARM: STM32F7: hardfault caused by unaligned memory access ARM: STM32F7: 由未对齐的内存访问引起的hardfault异常 Information in this knowledgebase article applies to: 这个知识库文章中的信息适用于: MDK-ARM Version 5 SYMPTOM 症状 If a STM32F7xx microcontroller is used with an external…

Catch a Memory Access Violation in C++

From: https://stackoverflow.com/questions/16612444/catch-a-memory-access-violation-in-c In C++, is there a standard way (or any other way, for that matter) to catch an exception triggered by a memory access violation? For example, if something went…

CUDA ---- Memory Access

Memory Access Patterns 大部分device一开始从global Memory获取数据,而且,大部分GPU应用表现会被带宽限制.因此最大化应用对global Memory带宽的使用时获取高性能的第一步.也就是说,global Memory的使用就没调节好,其它的优化方案也获取不到什么大效果,下面的内容会涉及到不少L1的知识,这部分了解下就好,L1在Maxwell之后就不用了,但是cache的知识点是不变的. Aligned and Coalesced Access 如下图所示…

[中英对照]Introduction to Remote Direct Memory Access (RDMA) | RDMA概述

前言: 什么是RDMA? 简单来说,RDMA就是指不通过操作系统(OS)内核以及TCP/IP协议栈在网络上传输数据,因此延迟(latency)非常低,CPU消耗非常少. 下面给出一篇简单介绍RDMA的文章之中英文对照翻译. Introduction to Remote Direct Memory Access (RDMA) | RDMA概述 1. What is RDMA? | 什么是RDMA Direct memory access (DMA) is an ability of a devic…