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. 08, 2020
Filed:
Nov. 10, 2017
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Nicholas C. Matsakis, Poughkeepsie, NY (US);
Craig R. Walters, Highland, NY (US);
Jane H. Bartik, Poughkeepsie, NY (US);
Chung-Lung K. Shum, Wappingers Falls, NY (US);
Elpida Tzortzatos, Lagrangeville, NY (US);
Assignee:
INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 12/084 (2016.01);
U.S. Cl.
CPC ...
G06F 12/084 (2013.01); G06F 2212/1024 (2013.01);
Abstract
A shared cache line is concurrently modified by multiple processors of a computing environment. The concurrent modification is performed based, at least, on receiving one or more architected instructions (Fetch due to Non-Coherent Store instructions) that permit multiple processors to concurrently update the shared cache line absent obtaining a lock or having exclusive ownership of the data.