'Release lock' presentation slideshows

Chapter 19

Chapter 19. Models of Transactions. Structuring Applications . Many applications involve long transactions that make many database accesses To deal with such complex applications many transaction processing systems provide mechanisms for imposing some structure on transactions.

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Generalizing Reduction and Abstraction to Simplify Concurrent Programs: The QED Approach

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February 26 th , 2019 Prof. John Kubiatowicz cs162.eecs.Berkeley

CS162 Operating Systems and Systems Programming Lecture 10 Language Support for Synchronization Scheduling. February 26 th , 2019 Prof. John Kubiatowicz http://cs162.eecs.Berkeley.edu. Recall: Monitors and Condition Variables.

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EECE.4810/EECE.5730 Operating Systems

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Generalizing Reduction and Abstraction to Simplify Concurrent Programs: The QED Approach

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Chapter 5: Process Synchronization

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Haswell

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CSE 451: Operating Systems Winter 2011 Synchronization

CSE 451: Operating Systems Winter 2011 Synchronization. Mark Zbikowski Gary Kimura. Synchronization. Threads cooperate in multithreaded programs to share resources, access shared data structures e.g., threads accessing a memory cache in a web server

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CS 162 Discussion Section Week 4

CS 162 Discussion Section Week 4. Administrivia. Design reviews Every member must attend Will test that every member understands YOU are responsible for testing your code We provide access to a simple autograder But your project is graded against a much more extensive autograder.

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Nonblocking Transactions Without Indirection Using Alert-on-Update

Nonblocking Transactions Without Indirection Using Alert-on-Update. Michael Spear Arrvindh Shriraman Luke Dalessandro Sandhya Dwarkadas Michael Scott University of Rochester. Software Transactional Memory. Memory transactions Code regions identified by the programmer

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User-Level Interprocess Communication for Shared Memory Multiprocessors

User-Level Interprocess Communication for Shared Memory Multiprocessors. Brian Bershad , Thomas Anderson , Edward Lazowska , and Henry Levy Presented by: Byron Marohn Published: 1991. Outline. Background Remote procedure call (RPC) Fundamentals Previous Implementations

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CS162 Section

CS162 Section. Lecture 11. Project 4. Implement a d istributed key-value store that uses Two-Phase Commit for atomic operations, R eplication for performance and fault-tolerance, Encryption for security. Distributed Key-Value Store. 0. Client 1. 2 16. Client 2. 2 111. Coordinator.

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Condition variables

Condition variables. proc notify (cvar) { acquire (tt_lock); for (i = 0 to N-1) do { if (ttable[i].cvar == cvar && ttable[i].state == WAITING) { ttable[i].state ? RUNNABLE;} } release(tt_lock);}. proc wait(cvar, lock) {

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