PPT-Threads

Written by Amir Kirsh Dr Yaron Kanza Edited by Liron Blecher Agenda Threads Overview Creating threads in Java Synchronization wait and notify Notes Thread Pools 3 Threads Overview . Identify each color listed in the charts color key Remember that some colors may only be listed in the backstitching instructions Write the name of each color on the card next to the slit its threaded through How to read your chart The color key bel Enabling Flexible Data Compression . with Assist Warps . Nandita Vijaykumar . Gennady . Pekhimenko. , . Adwait. Jog, Abhishek . Bhowmick. , . Rachata. . Ausavarangnirun. , Chita Das, . Mahmut. . Kandemir. Single and Multithreaded Processes. Benefits. Responsiveness. A program can continue running even if part of it is blocked or waiting for long I/O. Important for user interfaces. Resource Sharing. Easier to share resources between threads (shared memory) compared to between processes. Pool de Threads, Grupo de Threads. Variáveis Locais à Threads. Tarefa para Adormecimento e Despertar de Threads. public . class . ThreadSleep. extends Thread {. . private. . long. tempo = 0;. Readings. . Silberschatz. et al : Chapter 4. Motivation. Sometimes a program needs to do multiple tasks concurrently. Example: Word processor . Tasks include: Display graphics, respond to keystrokes from the user, and perform spelling and grammar checking. We think of a process (a running program) as a single entity. Our modern operating systems can run multiple concurrent processes, switching off quickly between them. Multitasking. But any single process may entail multiple components which could potentially also run concurrently. ECE344. Ding Yuan. Lecture 4: . Threads. Ding Yuan, ECE344 Operating System. 2. Processes. Recall that a process includes many things. An address space (defining all the code and data pages). OS resources (e.g., open files) and accounting information. , SMP, and Microkernels. Slides. are . mainly. . taken. from «O. perating. Systems: Internals and Design Principles”, 6/E . William Stallings (Chapter 4). . Some materials and figures are obtained from the POSIX threads . Chapter 4. 2. Outline. Threads. Symmetric Multiprocessing (SMP). Microkernel. Linux Threads. 3. Process Characteristics. Unit of resource ownership. - process is allocated:. a virtual address space to hold the process image. Walk-through. -- Threads. Pengyu Zhang. 2/1/2012. Logistics. Assignment 1 timeline:. Milestone:. Question 1 & 2.. 2. /4 . – Documentation due.. 2. /7 . – Code due. .. Milestone: Question. 3 . Jim Fawcett. CSE687 – Object Oriented Design. Spring 2016. Windows API. Create, style, and manage windows. Manage Files and Directories. Create and manage processes, threads, and synchronizers. Load and Unload Dynamic Link Libraries. and . Programmatic . Movement. Chapter objectives:. Understand the benefits of multithreading on Android. Understand multi-threading fundamentals.. Know the Thread class and the . Runnable. interface. and memory layout. l. ist.next. l. ist.prev. l. ist.next. l. ist.prev. l. ist.next. l. ist.prev. fox. fox. fox. Linked lists in Linux. fox. fox. fox. list {. .. next. . . .. prev. }. Node;. Posix Threads (Pthreads) Concurrency Chapter 26 Abstraction: Threads Here we introduce a new abstraction for a single running process: that of a thread. The state of a single thread is thus very similar to that of a process. It has a program counter (PC) that tracks where the program is fetching instructions from