The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 10, 2015
Filed:
Aug. 06, 2012
Kuo-han Chang, New Taipei, TW;
Chun-wei Chan, New Taipei, TW;
Ming-cheng Liu, New Taipei, TW;
Zong-pu Qi, Beijing, CN;
Kuo-Han Chang, New Taipei, TW;
Chun-Wei Chan, New Taipei, TW;
Ming-Cheng Liu, New Taipei, TW;
Zong-Pu Qi, Beijing, CN;
VIA Technologies, Inc., New Taipei, TW;
Abstract
A multi-core processor system, a dynamic power management method thereof and a control apparatus thereof are provided. In the method, a workload of a multi-core processor during a runtime stage is obtained. Next, a hot-plug operation is respectively performed on a plurality of slave cores according to the workload and a working state of each slave core. Then, a bus master status and the working state of a boot core are monitored to determine whether to power off the boot core, in which the bus master status is generated by combining a plurality of device statuses reflected by a plurality of peripheral devices. Finally, when the bus master status is determined as idle, the boot core is powered off.