Power control apparatus, electronic computer, and power control method
US9639905B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 9, 2014 |
| Grant date | May 2, 2017 |
| Priority date | — |
| Expiry date | May 10, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D10/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A power control apparatus includes a processor configured to collect first information related to operation of a performing unit configured to perform data processing and information related to operation of a bus configured to transfer data; determine an operating frequency and an operating voltage for the performing unit, based on the collected information; estimate based on the collected information, a period elapsing until the performing unit suspends operation and a period elapsing until the bus suspends operation; derive a discriminant that obtains a difference of total power consumption and power consumption pre-switching; and execute a switching of an operating frequency and an operating voltage of the performing unit, based on a value of the discriminant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.