'Lock mutex' presentation slideshows

Threads and Synchronization

Threads and Synchronization. Jeff Chase Duke University. A process can have multiple threads. int main( int argc , char * argv []) { if ( argc != 2) { fprintf ( stderr , "usage: threads <loops> "); exit(1); } loops = atoi ( argv [1]); pthread_t p1, p2;

1.85k views • 174 slides

Threads and Synchronization

Threads and Synchronization. Jeff Chase Duke University. A process can have multiple threads. int main( int argc , char * argv []) { if ( argc != 2) { fprintf ( stderr , "usage: threads <loops> "); exit(1); } loops = atoi ( argv [1]); pthread_t p1, p2;

1.75k views • 174 slides

HIGH PERFORMANCE COMPUTING : MODELS, METHODS, & MEANS Pthreads

Prof. Thomas Sterling Department of Computer Science Louisiana State University February 22, 2011. HIGH PERFORMANCE COMPUTING : MODELS, METHODS, & MEANS Pthreads. Topics. Introduction Performance: CPI and memory behavior Overview of threaded execution model

778 views • 57 slides

HIGH PERFORMANCE COMPUTING : MODELS, METHODS, & MEANS Pthreads

Prof. Thomas Sterling Department of Computer Science Louisiana State University February 22, 2011. HIGH PERFORMANCE COMPUTING : MODELS, METHODS, & MEANS Pthreads. Topics. Introduction Performance: CPI and memory behavior Overview of threaded execution model

677 views • 57 slides

Parallel Computing Models & Techniques

Parallel Computing Models & Techniques. About Me. Microsoft MVP Intel Blogger TechEd Israel, TechEd Europe Expert C++ Book http ://AsyncOp.com http://Asaf.Shelly.co.il. Parallel Computing. Multi-Core Distributed Systems SOA & WebServices Transaction, Session, Queue, Event, Interrupt

564 views • 42 slides

Lecture 12

Lecture 12. Thread Synchronization. Outline. Thread Synchronization Race Condition Mutex Deadlock Condition Variable Live Coding. Thread Synchronization. pthreads has two tools to synchronize their actions: mutexes Allow threads to synchronize use of shared resource

384 views • 38 slides

Inter Process Communication & Timers

Inter Process Communication & Timers. Time.h (page R:Ch9 pp302-320). #include <time.h> time_t time(time_t *calptr); Epoch: 00:00 (midnight), Jan 1, 1970 GMT Day is 86,400 seconds time_t is usually a long If the long is 32 bits, time overflows in 2038 Extensions POSIX:XSI microseconds

407 views • 30 slides

Inter Process Communication & Timers

Inter Process Communication & Timers. Time.h (page R:Ch9 pp302-320). #include <time.h> time_t time(time_t *calptr); Epoch: 00:00 (midnight), Jan 1, 1970 GMT Day is 86,400 seconds time_t is usually a long If the long is 32 bits, time overflows in 2038 Extensions POSIX:XSI microseconds

309 views • 30 slides

Multiprocessors and Multi-computers

Multiprocessors and Multi-computers. Multi-computers Distributed address space accessible by local processors Requires message passing Programming tends to be more difficult Multiprocessors Single address space accessible by all processors

432 views • 21 slides

Semaphore Interface

258 views • 17 slides

Classic Synchronization Problems

Classic Synchronization Problems. Classic Synchronization E xamples. Dining philosophers Readers and writers. The Dining Philosophers Problem. Five philosophers sit at a table A fork lies between every pair of philosophers

274 views • 11 slides