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. 26, 2023
Filed:
Jul. 30, 2020
Arm Limited, Cambridge, GB;
Eric Ola Harald Liljedahl, Lund, SE;
Arm Limited, Cambridge, GB;
Abstract
Apparatuses, methods of data processing, complementary instructions and programs related to atomic range-compare-and-modify operations are disclosed. Data processing operations are performed in response to received instructions, wherein the data processing operations comprise an atomic range-compare-and-modify operation, which receives indications of a data value storage location, a range start, and a range size and, as an atomic set of steps, reads a base value stored at the data value storage location, determines an in-range condition to be true when the base value is within a request range having a lower bound being the range start and an upper bound being the range start plus the range size, and when the in-range condition is true, modify the base value to an updated base value. Reduced contention between processes accessing the same data value storage location and range of locations is thus supported.
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