Memory access latency hiding with hint buffer
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United States of America Patent
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Apr 6, 2004
Grant Date -
Apr 3, 2003
app pub date -
Sep 28, 2001
filing date -
Sep 28, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A request hint is issued prior to or while identifying whether requested data and/or one or more instructions are in a first memory. A second memory is accessed to fetch data and/or one or more instructions in response to the request hint. The data and/or instruction(s) accessed from the second memory are stored in a buffer. If the requested data and/or instruction(s) are not in the first memory, the data and/or instruction(s) are returned from the buffer.
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