Method and apparatus for controlling the processing priority between multiple threads in a multithreaded processor
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United States of America Patent
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Apr 1, 2003
Grant Date -
N/A
app pub date -
Jul 8, 1999
filing date -
Jul 8, 1999
priority date (Note) -
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Abstract
The present invention provides a method and apparatus for controlling a processing priority assigned alternately to a first thread and a second thread in a multithreaded processor to prevent deadlock and livelock problems between the first thread and the second thread. In one embodiment, the processing priority is initially assigned to the first thread for a first duration. It is then determined whether the first duration has expired in a given processing cycle. If the first duration has expired, the processing priority is assigned to the second thread for a second duration.
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