Speculative thread execution with hardware transactional memory
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United States of America Patent
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May 7, 2013
Grant Date -
Aug 25, 2011
app pub date -
Feb 24, 2010
filing date -
Feb 24, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
In an embodiment, if a self thread has more than one conflict, a transaction of the self thread is aborted and restarted. If the self thread has only one conflict and an enemy thread of the self thread has more than one conflict, the transaction of the self thread is committed. If the self thread only conflicts with the enemy thread and the enemy thread only conflicts with the self thread and the self thread has a key that has a higher priority than a key of the enemy thread, the transaction of the self thread is committed. If the self thread only conflicts with the enemy thread, the enemy thread only conflicts with the self thread, and the self thread has a key that has a lower priority than the key of the enemy thread, the transaction of the self thread is aborted.
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