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. 12, 2026
Filed:
Sep. 16, 2024
Skyechip Berhad, Bayan Lepas, MY;
Soon Chieh Lim, Pulau Pinang, MY;
Yu Ying Ong, Pulau Pinang, MY;
SKYECHIP BERHAD, Bayan Lepas, MY;
Abstract
A coherent system including a plurality of processing units; an interconnect comprising a snoop filter, a conflict buffer to track in-progress or outstanding snoop, and a snoop state machine for managing snoop requests and snoop responses between the snoop filter, the conflict buffer and the processing units; wherein the snoop filter is configured to copy cacheline data of a cacheline that the processing unit reads on, match the cacheline address with tags of the snoop filter, and receive the snoop responses; wherein the conflict buffer is configured to indicate a hit or miss status based on the matching of the snoop filter and to send peer-cache snoop requests to different processing units. Further, a method of maintaining cache coherence using the coherent system also disclosed.