Method and system of multi-core microprocessor power...

Details Method and system of multi-core microprocessor power... Method and system of multi-core microprocessor power...

2011-08-16

2011-08-16

Lee, Thomas (Department: 2116)

Electrical computers and digital processing systems: support

Computer power control

C713S310000, C713S320000, C716S120000, C716S129000

Reexamination Certificate

active

08001394

ABSTRACT:
A computer-implemented method and a system for managing power in a multi-core microprocessor are provided. A power management control microarchitecture in a chiplet translates a first command comprising a power setting. A chiplet comprises a processor core and associated memory cache. The power management control microarchitecture comprises power mode registers, power mode adjusters, translators, and microarchitectural power management techniques. The power management control microarchitecture sets microarchitectural power management techniques according to the power setting. The global power management controller issues the first command. The global power management controller may reside either on or off of the microprocessor. The global power management controller issues commands either directly for a specific chiplet out of the plurality of chiplets or to the plurality of chiplets and the control slave bus translates the command into sub-commands dedicated to specific chiplets within the plurality of chiplets. Each chiplet may be set to separate power levels.

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