Method and device for adjusting cacheline length of cache
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United States of America Patent
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Issued Date -
Sep 24, 2015
app pub date -
Sep 26, 2013
filing date -
Oct 18, 2012
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Abstract
Provided are a method and device for adjusting a cacheline length of a cache. The method includes that if the number of times of successive failure in accessing data or instruction(s) is larger than a first predetermined threshold, all cachelines in the cache are invalidated and eliminated, the cache is disabled, a length of all the cachelines is adjusted to a first predetermined length value smaller than a current length value and then the cache is enabled; and during data or instruction(s) access, if the number of times of successive hitting in the cache is larger than a second predetermined threshold and data and instruction(s) in all cachelines are accessed in sequence after linefill, all the cachelines in the cache are invalidated and eliminated, the cache is disabled, the length of all the cachelines is adjusted to a second predetermined length value greater than the current length value and then the cache is enabled.
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