Optimized configurable scheme for demand based resource sharing of request queues in a cache controller
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United States of America Patent
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Aug 24, 2004
Grant Date -
Nov 28, 2002
app pub date -
May 23, 2002
filing date -
Jun 30, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A cache controller is presented having at least one register. The cache controller is connected to a cache memory, which is connected to the register. The cache controller dynamically selects between a cache management scheme based on a maximum number of programmable writeback entries and a cache management scheme allowing both writeback entries and incoming core requests to be allocated based on priority. Also presented is a device having a single request queue and a corresponding single set of buffers. The device dynamically selects between a cache management scheme based on a maximum number of programmable writeback entries and a cache management scheme allowing both writeback entries and incoming core requests to be allocated based on priority.
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