Dynamically selecting processor cores for overall power...

Details Dynamically selecting processor cores for overall power... Dynamically selecting processor cores for overall power...

2006-08-15

2006-08-15

Cao, Chun (Department: 2115)

Electrical computers and digital processing systems: support

Computer power control

Power conservation

Reexamination Certificate

active

07093147

ABSTRACT:
A computer system for conserving operating power includes a number of computer hardware processor cores that differ amongst themselves in at least in their respective operating power requirements and processing capabilities. A monitor gathers performance metric information from each of the computer hardware processor cores that is specific to a particular run of application software then executing. A workload transfer mechanism transfers the executing application software to a second computer hardware processor core in a search for reduced operating power. A transfer delay mechanism is connected to delay a subsequent transfer of the executing application software if the system operating power may be conserved by such delay.

REFERENCES:
patent: 5913068 (1999-06-01), Matoba
patent: 6804632 (2004-10-01), Orenstien et al.
R. Kumar et al., “Processor Power Reduction Via Single-ISA Heterogeneous Multi-core Architectures”, In Computer Architecture Letters, vol. 2, Apr. 2003.
R. Kumar et al., “A Multi-Core Approach to Addressing the Energy-Complexity Problem in Microprocessors”, In Work on Complexity-Effective Design, Jun. 2003.

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