Improving hit rate of code translation redirection table with replacement strategy based on usage history table of evicted entries
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United States of America Patent
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Jan 30, 2018
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app pub date -
Apr 11, 2012
filing date -
Apr 11, 2012
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Abstract
In one embodiment, a micro-processing system includes a hardware structure disposed on a processor core. The hardware structure includes a plurality of entries, each of which are associated with portion of code and a translation of that code which can be executed to achieve substantially equivalent functionality. The hardware structure includes a redirection array that enables, when referenced, execution to be redirected from a portion of code to its counterpart translation. The entries enabling such redirection are maintained within or evicted from the hardware structure based on usage information for the entries.
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