Omega Network Model…

Copied From:https://computing.llnl.gov/tutorials/parallel_comp/ Author: Blaise Barney, Lawrence Livermore National Laboratory UCRL-MI-133316 Table of Contents Abstract Overview What is Parallel Computing? Why Use Parallel Computing? Who is Using Para…

这是2013年写的一篇旧文,放在gegahost.net上面  http://raison.gegahost.net/?p=97 March 11, 2013 General mistakes in parallel computing Filed under: concurrency,software — Tags: atomic, cocurrency, data race, dead lock, parellel — Raison @ 2:51 am (Original Work by P…

A method and apparatus for a atomic operation is described. A method comprises receiving a first program unit in a parallel computing environment, the first program unit including a memory update operation to be performed atomically, the memory updat…

Example embodiments of the present invention includes systems and methods for implementing a scalable symmetric multiprocessing (shared memory) computer architecture using a network of homogeneous multi-core servers. The level of processor and memory…

Data Collections ---> Stream to Channel (as source input) ----> Parallel Computing---> Results (as source ouput) -----> To DB ( Presentation) ISpout is the core interface for implementing spouts. A Spout is responsible for feeding messages int…

原理不解释,直接上代码 代码中被注释的源程序可用于打印中间结果,检查运算是否正确. #include "mpi.h" #include <math.h> #include <stdio.h> #include <stdlib.h> #include <string.h> void scatter_matrix(int* fstream,int n1,int n2,int*Q,int root,int tag){ /*每个矩阵块的大小*/…

[it-ebooks]电子书列表   [2014]: Learning Objective-C by Developing iPhone Games || Leverage Xcode and Objective-C to develop iPhone games http://it-ebooks.info/book/3544/Learning Web App Development || Build Quickly with Proven JavaScript Techniques http:…

http://www.myhuiban.com/ List of computer science conferences From Wikipedia, the free encyclopedia     This is a list of academic conferences in computer science. Only established, well-known conferences are included; within each field; the conferen…

前一段时间的英语老师要求我们写一个自己的personal statement,我相信,作为一个IT学生,人很多personal statement应该都了如指掌.进一步的研究是必要的出国留学,当然,也想想我的小遥远,情也说不好,说不定以后真能用的着呢.还是认认真真的写完personal statement.下面是英语汉语对比的全文. As an applicant to your University's Graduate programin Computer Science, I am ver…

来源:https://ww2.mathworks.cn/help/matlab/ref/sum.html?searchHighlight=sum&s_tid=doc_srchtitle#btv6ok6-1-dim sum 数组元素总和 全页折叠 语法 S = sum(A) S = sum(A,'all') S = sum(A,dim) S = sum(A,vecdim) S = sum(___,outtype) S = sum(___,nanflag)   说明 示例 S = sum(A) 返回…

来源:https://ww2.mathworks.cn/help/matlab/ref/imagesc.html?searchHighlight=imagesc&s_tid=doc_srchtitle imagesc 显示使用经过标度映射的颜色的图像 全页折叠 语法 imagesc(C) imagesc(x,y,C) imagesc('CData',C) imagesc('XData',x,'YData',y,'CData',C) imagesc(___,Name,Value) imagesc(…

来源:https://ww2.mathworks.cn/help/matlab/ref/floor.html?searchHighlight=floor&s_tid=doc_srchtitle floor 朝负无穷大四舍五入 全页折叠 语法 Y = floor(X) Y = floor(t) Y = floor(t,unit)   说明 示例 Y = floor(X) 将 X 的每个元素四舍五入到小于或等于该元素的最接近整数. 示例 Y = floor(t) 将 duration 数组 t 的每…

来源:https://ww2.mathworks.cn/help/matlab/ref/reshape.html?searchHighlight=reshape&s_tid=doc_srchtitle eshape 重构数组 全页折叠 语法 B = reshape(A,sz) B = reshape(A,sz1,...,szN)   说明 示例 B = reshape(A,sz) 使用大小向量 sz 重构 A 以定义 size(B).例如,reshape(A,[2,3]) 将 A 重构为一个 2…

来源:https://ww2.mathworks.cn/help/matlab/ref/find.html?searchHighlight=find&s_tid=doc_srchtitle find 查找非零元素的索引和值 全页折叠 语法 k = find(X) k = find(X,n) k = find(X,n,direction) [row,col] = find(___) [row,col,v] = find(___)   说明 示例 k = find(X) 返回一个包含数组 X 中每个…

来源:https://ww2.mathworks.cn/help/matlab/ref/ischar.html?searchHighlight=ischar&s_tid=doc_srchtitle 语法 tf = ischar(A)   说明 示例 如果 A 为字符数组,则 tf = ischar(A) 返回逻辑值 1 (true):否则返回逻辑值 0 (false).   示例 全部折叠 确定数组是否为字符数组 在 MATLAB 中尝试 尝试此示例 在浏览器中尝试 在 MATLAB 中尝试 创…

视频来源:https://www.bilibili.com/video/av51932171?t=628. 博文来源:https://ww2.mathworks.cn/help/matlab/ref/fft.html?searchHighlight=fft&s_tid=doc_srchtitle 视频来源很好的解释了: 1 .傅里叶变换过程,经过傅里叶变化得到了,频率w,振幅a0,相位角φ: 2. 傅里叶变换 主要应用领域: 声音, 图像处理: 博文则很好的解释了: 1.  傅里叶变换在matl…

这个资料关于分布式系统资料,作者写的太好了.拿过来以备用 网址:https://github.com/ty4z2008/Qix/blob/master/ds.md 希望转载的朋友,你可以不用联系我．但是一定要保留原文链接,因为这个项目还在继续也在不定期更新．希望看到文章的朋友能够学到更多． <Reconfigurable Distributed Storage for Dynamic Networks> 介绍:这是一篇介绍在动态网络里面实现分布式系统重构的paper.论文的作者(导师)是MIT…

0.1 TopicNotes of Lin C., Snyder L.. Principles of Parallel Programming. Beijing: China Machine Press. 2008. (1) Parallel Computer Architecture - done 2015/5/24(2) Parallel Abstraction - done 2015/5/28(3) Scable Algorithm Techniques - done 2015/5/30(…

A novel massively parallel supercomputer of hundreds of teraOPS-scale includes node architectures based upon System-On-a-Chip technology, i.e., each processing node comprises a single Application Specific Integrated Circuit (ASIC). Within each ASIC n…

A treewalk for splitting a file directory is disclosed for parallel execution of work items over a filesystem. The given work item is assigned to a worker. Thereafter, a request is sent to split the file directory to share a portion of the file direc…

A Pattern Language for Parallel Application Programming Berna L. Massingill, Timothy G. Mattson, Beverly A. Sanders Abstract Parallel computing has failed to attract significant numbers of programmers outside the specialized world of supercomputing.…

Resource ParameterServer入门和理解[较为详细,涉及到另一个框架:ps-lite] 一文读懂「Parameter Server」的分布式机器学习训练原理 并行计算与机器学习[很有必要过一遍大佬的视频] 并行计算与机器学习课程所有视频: 1. 并行计算基础以及MapReduce: https://youtu.be/gVcnOe6_c6Q 2. 参数服务器.去中心化: https://youtu.be/Aga2Lxp3G7M 3. Ring All-Reduce: https:…

原作者: Pamela Vagata, Parallel Computing Platform Group, Microsoft Corporation 原文pdf:http://download.csdn.NET/detail/sqlchen/7509513 ==================================================================== 简介 当需要为多核机器进行优化的时候,最好先检查下你的程序是否有处理能够分割开来进行并行处理.(例如…

现在的电脑几乎都是多核的,但在软件中并还没有跟上这个节奏,大多数软件还是采用传统的方式,并没有很好的发挥多核的优势. 微软的并行运算平台(Microsoft’s Parallel Computing Platform (PCP))提供了这样一个工具,让软件开发人员可以有效的使用多核提供的性能. Parallel.ForEach()和Parallel.For()就是微软并发类的成员. 今天做了一个简单的测试,我的电脑是双核的,效果还是比较明显的. 一般的for和foreach循环用时都在10秒钟:…

Today is a good day to start parallelizing your code. I’ve been using the parallel package since its integration with R (v. 2.14.0) and its much easier than it at first seems. In this post I’ll go through the basics for implementing parallel computat…

The .NET Framework 4 includes significant advancements for developers writing parallel and concurrent applications, including Parallel LINQ (PLINQ), the Task Parallel Library (TPL), new thread-safe collections, and a variety of new coordination and s…

本文转载自:链接 Highlights Three different methods for parallel gradient boosting decision trees. My algorithm and implementation is competitve with (and in many cases better than) the implementation in OpenCV and XGBoost (A parallel GBDT library with 750+…

微软的并行运算平台(Microsoft’s Parallel Computing Platform (PCP))提供了这样一个工具,让软件开发人员可以有效的使用多核提供的性能. Visual Studio 2010 和 .NET Framework 4 提供了新的运行时.新的类库类型以及新的诊断工具,从而增强了对并行编程的支持. 这些功能简化了并行开发,使您能够通过固有方法编写高效.细化且可伸缩的并行代码,而不必直接处理线程或线程池. 实验1:测试一般Foreach,Parallel.For,P…

Spark programs are structured on RDDs: they invole reading data from stable storage into the RDD format, performing a number of computations and data transformations on the RDD, and writing the result RDD to stable storage on collecting to the driver…