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:
May. 09, 2023
Filed:
Jan. 23, 2019
Hitachi Automotive Systems, Ltd., Hitachinaka, JP;
Hitachi Astemo, Ltd., Hitachinaka, JP;
Abstract
To be capable of concurrent execution of a function group not in data conflict by a plurality of cores and to execute a function pair in data conflict in a temporal separation manner. A process barrierincludes N−1 checker functionsand one limiter function, where the number of cores capable of concurrently executing the functions is N (N is an integer equal to or greater than 2), the checker functionsdetermine whether the head entry of a lock-free function queue LFQis either the checker functionor the limiter function, and repeats reading of the head entry of the lock-free function queue LFQif either, and ends processing if neither, and the limiter functionis an empty function ending without performing any processing.