Invention Grant
- Patent Title: System and methods for cache coherent system using ownership-based scheme
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Application No.: US17571004Application Date: 2022-01-07
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Publication No.: US11599469B1Publication Date: 2023-03-07
- Inventor: Louis-Philippe Hamelin , Chang Hoon Lee , John Edward Vincent , Olivier D'Arcy , Guy-Armand Kamendje Tchokobou
- Applicant: HUAWEI TECHNOLOGIES CO., LTD.
- Applicant Address: CN Shenzhen
- Assignee: HUAWEI TECHNOLOGIES CO., LTD.
- Current Assignee: HUAWEI TECHNOLOGIES CO., LTD.
- Current Assignee Address: CN Shenzhen
- Main IPC: G06F12/00
- IPC: G06F12/00 ; G06F12/084 ; G06F12/0817

Abstract:
A computer system includes a first core including a first local cache and a second core including a second local cache. The first core and the second core are coupled through a remote link. A shared cache coupled to the first core and to the second core. The shared cache includes an ownership table that includes a plurality of entries indicating if a cache line is stored solely in the first local cache or solely in the second local cache. The remote link includes a first link between the first core and the shared cache and a second link between the second core and the shared cache.
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