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:
Sep. 24, 2013
Filed:
Jul. 24, 2007
Applicants:
Yadhu Gopalan, Issaquah, WA (US);
Bor-ming Hsieh, Redmond, WA (US);
Mark Miller, Kirkland, WA (US);
Inventors:
Assignee:
Microsoft Corporation, Redmond, WA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 9/46 (2006.01);
U.S. Cl.
CPC ...
Abstract
Scheduling of threads in a multi-core system is performed using per-processor queues for each core to hold threads with fixed affinity for each core. Cores are configured to pick the highest priority thread among the global run queue, which holds threads without affinity, and their respective per-processor queue. To select between two threads with same priority on both queues, the threads are assigned sequence numbers based on their time of arrival. The sequence numbers may be weighted for either queue to prioritize one over the other.