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Intel Threading Building Blocks
book

Intel Threading Building Blocks

by James Reinders
July 2007
Intermediate to advanced content levelIntermediate to advanced
332 pages
10h 4m
English
O'Reilly Media, Inc.
Content preview from Intel Threading Building Blocks

Advanced Task Programming

This section could be called "Dummy Tasks to the Rescue” because, although the design of Threading Building Blocks is very simple at the core, there are times when you want a little more help.

This section has two examples that use a dummy task to create relationships among tasks that at first seem impossible because they have non-treelike dependence graphs. In the first example, we give a sibling task to the main program that is usually the base of the tree. In the second example, we set up a pipeline with a fork in it. It is a classic example of avoiding locks through implicit synchronization. We’ll name the two examples as follows:

  • Start a Large Task in Parallel with the Main Program

  • Two Mouths: Feeding Two from the Same Task in a Pipeline

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Publisher Resources

ISBN: 9780596514808Errata Page