Dynamic core selection for heterogeneous multi-core systems
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United States of America Patent
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Mar 25, 2014
Grant Date -
Sep 13, 2012
app pub date -
Mar 11, 2011
filing date -
Mar 11, 2011
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Abstract
Dynamically switching cores on a heterogeneous multi-core processing system may be performed by executing program code on a first processing core. Power up of a second processing core may be signaled. A first performance metric of the first processing core executing the program code may be collected. When the first performance metric is better than a previously determined core performance metric, power down of the second processing core may be signaled and execution of the program code may be continued on the first processing core. When the first performance metric is not better than the previously determined core performance metric, execution of the program code may be switched from the first processing core to the second processing core.
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