Averting lock contention associated with core-based hardware threading in a split core environment
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United States of America Patent
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Oct 16, 2018
Grant Date -
Jan 4, 2018
app pub date -
Jun 30, 2016
filing date -
Jun 30, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
Techniques are disclosed for managing lock contention in a multithreaded processing system. In one embodiment, a method includes tracking an amount of time that a lock on a first thread prevents a second thread from execution. The method also includes, if the amount of time is greater than a first threshold, storing the amount of time and an address associated with the lock. The method includes dispatching a third thread that utilizes the address associated with the lock. The method also includes increasing the hardware priority of the third thread during a lock operation.
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