Priority level arbitration method and device
US9372715B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 31, 2011 |
| Grant date | Jun 21, 2016 |
| Priority date | — |
| Expiry date | Aug 19, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2209/5021
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention discloses a method and device for arbitrating priority levels. The method comprises: setting a plurality of first stage polling arbiters and a second stage priority level arbiter respectively, wherein the number of the first stage polling arbiters is equal to the number of priority levels contained in a plurality of source ends; receiving task request signals for requesting tasks from the plurality of source ends and assigning request tasks with the same priority level to the same first stage polling arbiter; each of the first stage polling arbiters polling the received request tasks with the same priority level respectively to obtain one request task and transmitting the request task to the second stage priority level arbiter; and the second stage priority level arbiter receiving the plurality of request tasks and outputting an output result of request tasks with the highest priority level to a destination end.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.