November 2015
Intermediate to advanced
556 pages
17h 34m
English
Content preview from Shared Memory Application Programming
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Chapter 5
Concurrent Access to Shared Data
Abstract
Mutual exclusion is a basic synchronization primitive used to ensure thread safety when accessing shared variables. The mutual exclusion programming interfaces available in the five programming environments are reviewed, underlining the common basic features and the different additional features proposed by each one of them. Then, atomic operations are introduced as an efficient alternative to mutual exclusion in some specific cases, and the way they operate in OpenMP is reviewed. Finally, some utilities proposed by Threading Building Blocks (TBB)—basically, extensions of the Standard Template Library containers having internally built in thread safety—are introduced. A few observations concerning ...
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