Organizing tasks by a hierarchical task scheduler for execution in a multi-threaded processing system
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United States of America Patent
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Feb 2, 2016
Grant Date -
May 14, 2015
app pub date -
Nov 12, 2013
filing date -
Nov 12, 2013
priority date (Note) -
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Abstract
A method for scheduling tasks from a program executed by a multi-processor core system is disclosed. The method includes a scheduler that groups a plurality of tasks, each having an assigned priority, by priority in a task group. The task group is assembled with other task groups having identical priorities in a task group queue. A hierarchy of task group queues is established based on priority levels of the assigned tasks. Task groups are assigned to one of a plurality of worker threads based on the hierarchy of task group queues. Each of the worker threads is associated with a processor in the multi-processor system. The tasks of the task groups are executed via the worker threads according to the order in the hierarchy.
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