Shared resource based thread scheduling with affinity and/or selectable criteria
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United States of America Patent
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May 27, 2014
Grant Date -
Jul 23, 2009
app pub date -
Jan 22, 2008
filing date -
Jan 22, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
Threads may be scheduled to be executed by one or more cores depending upon whether it is more desirable to minimize power or to maximize performance. If minimum power is desired, threads may be schedule so that the active devices are most shared; this will minimize the number of active devices at the expense of performance. On the other hand, if maximum performance is desired, threads may be scheduled so that active devices are least shared. As a result, threads will have more active devices to themselves, resulting in greater performance at the expense of additional power consumption. Thread affinity with a core may also be taken into consideration when scheduling threads in order to improve the power consumption and/or performance of an apparatus.
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