Dynamic inclusive policy in a hybrid cache hierarchy using bandwidth
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United States of America Patent
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Sep 23, 2014
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app pub date -
Dec 9, 2011
filing date -
Dec 9, 2011
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Abstract
A mechanism is provided for dynamic cache allocation using bandwidth. A bandwidth between a higher level cache and a lower level cache is monitored. Responsive to bandwidth usage between the higher level cache and the lower level cache being below a predetermined low bandwidth threshold, the higher level cache and the lower level cache are set to operate in accordance with a first allocation policy. Responsive to bandwidth usage between the higher level cache and the lower level cache being above a predetermined high bandwidth threshold, the higher level cache and the lower level cache are set to operate in accordance with a second allocation policy.
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