ALGORITHM OF LRU BITS FOR REDUCING RAM SIZE

PURPOSE: An algorithm of LRU bits for reducing a RAM size is provided to reduce a size of LRU bits by being composed of 2 bits, and by removing an unused bit of LRU bits which occupies a size of a tag RAM. CONSTITUTION: It is determined whether a way 0,1 or a way 2,3 is corrected according to "...

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Main Author KANG, SANG UK
Format Patent
LanguageEnglish
Korean
Published 07.05.2001
Edition7
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Abstract PURPOSE: An algorithm of LRU bits for reducing a RAM size is provided to reduce a size of LRU bits by being composed of 2 bits, and by removing an unused bit of LRU bits which occupies a size of a tag RAM. CONSTITUTION: It is determined whether a way 0,1 or a way 2,3 is corrected according to "0" or "1' of LRU 0 bit. In case that a bit of LRU 0 bit is "0", and the way 0,1 is determined, it is determined whether a way 0 or a way 1 is corrected according to "0" or "1' of LRU 0 bit. In case that the bit of LRU 0 bit isn't "0", the bit of LRU 0 bit is "1", it is determined whether a way 2 or a way 3 is corrected according to "0" or "1' of LRU 0 bit. Therefore, LRU bits are composed of 2 bits.
AbstractList PURPOSE: An algorithm of LRU bits for reducing a RAM size is provided to reduce a size of LRU bits by being composed of 2 bits, and by removing an unused bit of LRU bits which occupies a size of a tag RAM. CONSTITUTION: It is determined whether a way 0,1 or a way 2,3 is corrected according to "0" or "1' of LRU 0 bit. In case that a bit of LRU 0 bit is "0", and the way 0,1 is determined, it is determined whether a way 0 or a way 1 is corrected according to "0" or "1' of LRU 0 bit. In case that the bit of LRU 0 bit isn't "0", the bit of LRU 0 bit is "1", it is determined whether a way 2 or a way 3 is corrected according to "0" or "1' of LRU 0 bit. Therefore, LRU bits are composed of 2 bits.
Author KANG, SANG UK
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Snippet PURPOSE: An algorithm of LRU bits for reducing a RAM size is provided to reduce a size of LRU bits by being composed of 2 bits, and by removing an unused bit...
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COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
Title ALGORITHM OF LRU BITS FOR REDUCING RAM SIZE
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