'Pthread mutex' presentation slideshows

?????? ??????? ???? Parallel Programming: Fundamentals and Implementation ? ? dair@dawning.com.cn ?????????? 2006.4

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2.3 InterProcess Communication (IPC)

2.3 InterProcess Communication (IPC). IPC methods. Signals Mutex (MUTual EXclusion) Semaphores Shared memory Memory mapped files Pipes & named pipes Sockets Message queues MPI (Message Passing Interface) Barriers. IPC methods. thread to thread process to process (both on same system)

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Pthread and OpenMP

Pthread and OpenMP. Jaehyuk Huh Computer Science, KAIST. Thread Basics . A single, sequential stream of control in a program All memory in the logical machine model of a thread is globally accessible to every thread: global variables and heap objects .

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Parallel Processing (CS 667) Lecture 4: Shared Memory Programming with Pthreads *

Parallel Processing (CS 667) Lecture 4: Shared Memory Programming with Pthreads *. Jeremy R. Johnson *Some of this lecture was derived from Pthreads Programming by Nichols, Buttlar, and Farrell and POSIX Threads Programming Tutorial (computing.llnl.gov/tutorials/pthreads) by Blaise Barney.

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What is a thread?

What is a thread?. process: an address space with 1 or more threads executing within that address space , and the required system resources for those threads a program that is running thread: a sequence of control within a process shares the resources in that process.

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Parallel Programming and Synchronization

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CS252: Systems Programming

CS252: Systems Programming. Ninghui Li Based on Slides by Prof. Gustavo Rodriguez-Rivera Topic 10: Threads and Thread Synchronization. Introduction to Threads. A thread is a path execution By default, a C/C++ program has one thread called "main thread" that starts the main() function.

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Lecture 10 Locks

Lecture 10 Locks. Scheduling Control: Mutex /Lock. Basic pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_lock (&lock); x = x + 1; // or whatever your critical section is pthread_mutex_unlock (&lock); Other variants int pthread_mutex_trylock ( pthread_mutex_t * mutex );

478 views • 35 slides

CS241 System Programming

CS241 System Programming. Discussion Section 4 Feb 13 – Feb 16. Outline. Synchronization Condition Variables Producer-Consumer Problem Reader-Writer Problem CPU Scheduling Metrics Examples. Review.

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Threads

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Early-Riser TA Matt Johnson inst.eecs.berkeley/~cs61c-tm

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Carnegie Mellon

Carnegie Mellon. Synchronization and Proxylab testing 15-213: Introduction to Computer Systems Recitation 14: November 26, 2012. Praveen Kumar Ramakrishnan ( praveenr ) Section E. Carnegie Mellon. Topics. News Thread s afety Synchronization Proxylab Testing. Carnegie Mellon. News.

364 views • 21 slides

Distributed systems

Distributed systems. Programming with threads. Reviews on OS concepts. Each process occupies a single address space. Reviews on OS concepts. A thread of (execution) control has its own PC counter, stack pointer etc within a process. Thread vs. Process. Why threads?

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CMSC421: Principles of Operating Systems

CMSC421: Principles of Operating Systems. Nilanjan Banerjee. Assistant Professor, University of Maryland Baltimore County nilanb@umbc.edu http://www.csee.umbc.edu/~nilanb/teaching/421/. Principles of Operating Systems

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Pthread II

Pthread II. Outline. Join Mutex Variables Condition Variables. Join Mutex Variables Condition Variables. "Joining" is one way to accomplish synchronization between threads. Declare a pthread attribute variable of the pthread_attr_t data type

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Chapter 28 Locks

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C++ Agents Implementation

C++ Agents Implementation. Chris Rouse CSS 497. Outline. Finish Agent Implementation Involves changes to the following classes: Agents_base.h /. cpp Agent.h /. cpp Mprocess.h /. cpp Messages.h /. cpp Exchange_helper.h /. cpp

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More Shared Memory Programming And Intro to Message Passing

More Shared Memory Programming And Intro to Message Passing. Laxmikant Kale CS433. Posix Threads on Origin 2000. Shared memory programming on Origin 2000: Important calls Thread creation and joining pthread_ create (pthread_t *threadID, At,functionName, (void *) arg);

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Synchronization

339 views • 12 slides