Cache memory organization utilizing miss information holding registers to prevent lockup from cache misses
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United States of America Patent
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Jan 25, 1983
Grant Date -
N/A
app pub date -
Aug 26, 1980
filing date -
Aug 26, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A cache memory organization is shown using a miss information collection and manipulation system to insure the transparency of cache misses. This system makes use of the fact that the cache memory has a faster rate of operation than the rate of operation of central memory. The cache memory consists of a set-associative cache section consisting of tag arrays and control with a cache buffer, a central memory interface block consisting of a memory requester and memory receiver together with miss information holding registers section consisting of a miss comparator and status collection device. The miss information holding register section allows for an almost continual stream of new requests for data to be supplied to the cache memory at the cache hit rate throughput.
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