Cache memory system and method with multiple hashing functions and hash control storage
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United States of America Patent
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Jun 25, 1996
Issued Date -
N/A
app pub date -
Dec 23, 1994
filing date -
Aug 7, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A column-associative cache that reduces conflict misses, increases the hit rate and maintains a minimum hit access time. The column-associative cache indexes data from a main memory into a plurality of cache lines according to a tag and index field through hash and rehash functions. The cache lines represent a column of sets. Each cache line contains a rehash block indicating whether the set is a rehash location. To increase the performance of the column-associative cache, a content addressable memory (CAM) is used to predict future conflict misses.
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