Enhanced loop streaming detector to drive logic optimization
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United States of America Patent
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May 31, 2016
Grant Date -
Jul 3, 2014
app pub date -
Dec 27, 2012
filing date -
Dec 27, 2012
priority date (Note) -
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Abstract
An enhanced loop streaming detection mechanism is provided in a processor to reduce power consumption. The processor includes a decoder to decode instructions in a loop into micro-operations, and a loop streaming detector to detect the presence of the loop in the micro-operations. The processor also includes a loop characteristic tracker unit to identify hardware components downstream from the decoder that are not to be used by the micro-operations in the loop, and to disable the identified hardware components. The processor also includes execution circuitry to execute the micro-operations in the loop with the identified hardware components disabled.
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