Processor instruction set for controlling an event source to generate events used to schedule threads
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United States of America Patent
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Jun 14, 2016
Grant Date -
Sep 18, 2008
app pub date -
Mar 14, 2007
filing date -
Mar 14, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
The invention provides a processor comprising: an execution unit, and a thread scheduler configured to schedule a plurality of threads for execution by the execution unit in dependence on a respective runnable status for each thread. The execution unit is configured to execute thread scheduling instructions which manage the runnable statuses. The thread scheduling instructions including at least: one or more source event enable instructions each of which sets an event source to a mode in which it generates an event dependent on activity occurring at that source, and a wait instruction which sets one of said runnable statuses to suspended pending one of the events upon which continued execution of the respective thread depends. The continued execution comprises retrieval of a continuation point vector for the respective thread.
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