Managing prefetch requests based on stream information for previously recognized streams
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United States of America Patent
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Sep 13, 2022
Grant Date -
N/A
app pub date -
Jun 14, 2021
filing date -
Jun 29, 2020
priority date (Note) -
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Abstract
Managing prefetch requests associated with memory access requests includes storing stream information associated with multiple streams. At least one stream was recognized based on an initial subset of memory access requests within a previously performed set of related memory access requests and is associated with stream information that includes stream matching information and stream length information. After the previously performed set has ended, a matching memory access request is identified that matches with a corresponding matched stream based at least in part on stream matching information within stream information associated with the matched stream. In response to identifying the matching memory access request, the managing determines whether or not to perform a prefetch request for data at an address related to a data address in the matching memory access request based at least in part on stream length information within the stream information associated with the matched stream.
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