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:
Dec. 08, 2020
Filed:
Apr. 17, 2019
Applicant:
Chengdu Haiguang Integrated Circuit Design Co. Ltd., Sichuan Province, CN;
Inventors:
Assignee:
CHENGDU HAIGUANG INTEGRATED CIRCUIT DESIGN CO. LTD., Sichuan, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/0842 (2016.01); G06F 12/0811 (2016.01); G06F 12/02 (2006.01); G06F 12/0891 (2016.01); G06F 12/0873 (2016.01);
U.S. Cl.
CPC ...
G06F 12/0842 (2013.01); G06F 12/0292 (2013.01); G06F 12/0811 (2013.01); G06F 12/0873 (2013.01); G06F 12/0891 (2013.01);
Abstract
A multi-core processing device and an inter-core data transmission method thereof are disclosed, the multi-core processing device includes a plurality of cores; each core includes at least one level cache, and when any core as a target core or of a target core group receives a cache line deliver request instruction from another core as a source core, the any core pre-fetches a corresponding cache line from the source core to a cache of the any core; and the cache line deliver request instruction includes an identifier hint of the target core.