'Lock l' diaporamas de présentation

SigRace: Signature-Based Data Race Detection

SigRace: Signature-Based Data Race Detection. Abdullah Muzahid , Dario Suarez*, Shanxiang Qi & Josep Torrellas. Computer Science Department University of Illinois at Urbana-Champaign http://iacoma.cs.uiuc.edu. *Universidad de Zaragoza, Spain. Debugging Multithreaded Programs.

1.38k views • 124 slides

A Type System for Preventing Data Races and Deadlocks in the Java Virtual Machine Language

A Type System for Preventing Data Races and Deadlocks in the Java Virtual Machine Language. Pratibha Permandla Michael Roberson Chandrasekhar Boyapati. University of Michigan. Outline. Motivation Data Races Deadlocks Object Encapsulation Type System Related Work.

641 views • 44 slides

Deterministic Multiprocessing

Deterministic Multiprocessing. Chris Fallin, David Lewis, Zongwei Zhou. What is Deterministic MP?. Multiprocessor executes multiple threads Threads share resources (ie, memory) Due to bus arbiters, memory controllers, etc, some orderings in shared resources are undefined

465 views • 26 slides

Operating Systems Engineering Locking & Synchronization [chapter #4]

Operating Systems Engineering Locking & Synchronization [chapter #4]. By Dan Tsafrir, 2013-04-03. When critical section is very short. Fine-grained synchronization. Agenda: mutex locks. Locks Why do we need them? How do we implement them? (In xv6 in particular) How do we use them?.

410 views • 21 slides

An Effective Dynamic Analysis for Detecting Generalized Deadlocks

326 views • 21 slides

Too Much Milk With Locks

Both threads: struct lock l; ... l ock_acquire (&l); if (milk == 0) { buyMilk (); } lock_release (& l);. Too Much Milk With Locks. char buffer[SIZE]; int count = 0; int head = 0, tail = 0; struct lock l; lock_init(&l); void put(char c) { lock_acquire(&l); count++;

200 views • 10 slides