Page table including data fetch width indicator
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United States of America Patent
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Mar 6, 2018
Issued Date -
N/A
app pub date -
Dec 19, 2016
filing date -
Apr 15, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
Embodiments relate to a page table including a data fetch width indicator. An aspect includes allocating a memory page in a main memory to an application. Another aspect includes creating a page table entry corresponding to the memory page in the page table. Another aspect includes determining, by a data fetch width indicator determination logic, the data fetch width indicator for the memory page. Another aspect includes sending a notification of the data fetch width indicator from the data fetch width indicator determination logic to supervisory software. Another aspect includes setting the data fetch width indicator in the page table entry by the supervisory software based on the notification. Another aspect includes, based on a cache miss in the cache memory corresponding to an address that is located in the memory page, fetching an amount of data from the memory page based on the data fetch width indicator.
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