Creating a program product or system for executing an instruction for pre-fetching data and releasing cache lines
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United States of America Patent
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Jun 30, 2015
Grant Date -
Jul 24, 2014
app pub date -
Mar 21, 2014
filing date -
Dec 12, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
Systems and Program Products are created to execute a prefetch data machine instruction having an M field performs a function on a cache line of data specifying an address of an operand. The operation comprises either prefetching a cache line of data from memory to a cache or reducing the access ownership of store and fetch or fetch only of the cache line in the cache or a combination thereof. The address of the operand is either based on a register value or the program counter value pointing to the prefetch data machine instruction.
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