1.并行编程 (1)并行程序的逻辑: 1)将当前问题划分为多个子任务 2)考虑任务间所需要的通信通道 3)将任务聚合成复合任务 4)将复合任务分配到核上 (2)共享内存编程: 路障 ----> 条件变量,互斥量+忙等待(浪费cpu周期,重置),信号量(多个路障产生竞争条件) 临界区(更新共享资源的代码段)------>忙等待(标识变量),互斥量,信号量(信号量没有个体拥有权),读写锁 共享内存带来的问题:缓存一致性,线程的安全性,多个线程尝试更新一个共享变量的时候会产生问题(竞争条件) 线程是…

1.安装Linux系统 在虚拟机Vmware上安装CentOS 7系统 2.安装OneApi 安装的时候将文件从桌面拖动到虚拟机安装的时候报错:archive corrupted 解决方法:大文件应采用复制黏贴的方式 3.进行hpl本机测试 4.进行hpcg本机测试 5.编写运行c++程序 --------------------------------------------------------------------------------------------------------…

1.Plan your time carefully. Make a list of your weekly tasks.Then make a schedule or chart of your time.Fill in committed time such as eating,sleeping,meeting,classes,etc. Then decide on good ,regular times for studying.Be sure to set aside enough ti…

1.下载hplsql-0.3.13到本地并解压 2.修改plsql,为如下内容 #!/bin/bash export "HADOOP_CLASSPATH=/opt/cloudera/parcels/CDH/jars/*" export HADOOP_OPTS="$HADOOP_OPTS -Djava.library.path=/usr/lib/hadoop/lib/native" SCRIPTPATH=${%/*} java -cp $SCRIPTPATH:$HAD…

These days I study the RSA Algorithm. It is a little complex, but not very. Also, my study has not finished. There remains many other things to do. E.g. Program to realise RSA; Use Applications with RSA Study other encrypt algorithms ... Lattest News…

Machine Learning Algorithms Study Notes 高雪松 @雪松Cedro Microsoft MVP 本系列文章是Andrew Ng 在斯坦福的机器学习课程 CS 229 的学习笔记. Machine Learning Algorithms Study Notes 系列文章介绍 3 Learning Theory 3.1 Regularization and model selection 模型选择问题:对于一个学习问题,可以有多种模型选择.比如要拟合一组样本点,…

Machine Learning Algorithms Study Notes 高雪松 @雪松Cedro Microsoft MVP 本系列文章是Andrew Ng 在斯坦福的机器学习课程 CS 229 的学习笔记. Machine Learning Algorithms Study Notes 系列文章介绍 2    Supervised Learning    3 2.1    Perceptron Learning Algorithm (PLA)    3 2.1.1    PLA --…

Machine Learning Algorithms Study Notes 高雪松 @雪松Cedro Microsoft MVP 目 录 1    Introduction    1 1.1    What is Machine Learning    1 1.2    学习心得和笔记的框架    1 2    Supervised Learning    3 2.1    Perceptron Learning Algorithm (PLA)    3 2.1.1    PLA -- "知…

jar tvf study.war 0 Thu Oct 20 14:01:18 CST 2016 META-INF/ 137 Thu Oct 20 14:01:16 CST 2016 META-INF/MANIFEST.MF 0 Thu Oct 20 14:01:16 CST 2016 WEB-INF/ 0 Thu Oct 20 14:01:16 CST 2016 WEB-INF/classes/ 0 Thu Oct 20 14:01:16 CST 2016 WEB-INF/classes/di…

Mongo DB Study: first face with mongo DB 1.  study methods: 1.  Translate: I am the mongo DB organization website truck man. And I may use my knowledge to help myself learn more. 2.  Practice: only the practice can make me what I have done and what I…