Main processing element for delegating virtualized control threads controlling clock speed and power consumption to groups of sub-processing elements in a system such that a group of sub-processing elements can be designated as pseudo main processing element
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United States of America Patent
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May 7, 2013
Grant Date -
Apr 1, 2010
app pub date -
Sep 30, 2008
filing date -
Sep 30, 2008
priority date (Note) -
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Abstract
The disclosure is applied to a generic microprocessor architecture with a set (e.g., one or more) of controlling elements (e.g., MPEs) and a set of groups of sub-processing elements (e.g., SPEs). Under this arrangement, MPEs and SPEs are organized in a way that a smaller number MPEs control the behavior of a group of SPEs using program code embodied as a set of virtualized control threads. The arrangement also enables MPEs delegate functionality to one or more groups of SPEs such that those group(s) of SPEs will act as pseudo MPEs. The pseudo MPEs will utilize pseudo virtualized control threads to control the behavior of other groups of SPEs. In a typical embodiment, the apparatus includes a MCP coupled to a power supply coupled with cores to provide a supply voltage to each core (or core group) and controlling-digital elements and multiple instances of sub-processing elements.
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