Intel® Threading Building Blocks

Exceptions

Intel® Threading Building Blocks (Intel® TBB) propagates exceptions along logical paths in a tree of tasks. Because these paths cross between thread stacks, support for moving an exception between stacks is necessary.

Use limiter_node

One way to limit resource consumption is to use a limiter_node to set a limit on the number of messages that can flow through a given point in your graph. The constructor for a limiter node takes up to three arguments:

Task Scheduler Summary

The task scheduler works most efficiently for fork-join parallelism with lots of forks, so that the task-stealing can cause sufficient breadth-first behavior to occupy threads, which then conduct themselves in a depth-first manner until they need to steal more work.

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