Invention Grant
- Patent Title: Speculative data return concurrent to an exclusive invalidate request
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Application No.: US16197669Application Date: 2018-11-21
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Publication No.: US10795824B2Publication Date: 2020-10-06
- Inventor: Deanna P. Berger , Christian Jacobi , Robert J. Sonnelitter, III , Craig R. Walters
- Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
- Applicant Address: US NY Armonk
- Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
- Current Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
- Current Assignee Address: US NY Armonk
- Agency: Heslin Rothenberg Farley & Mesiti P.C.
- Agent William A. Kinnaman, Jr., Esq.; Blanche E. Schiller, Esq.
- Main IPC: G06F12/0891
- IPC: G06F12/0891 ; G06F12/084
Abstract:
Speculative data return in parallel with an exclusive invalidate request. A requesting processor requests data from a shared cache. The data is owned by another processor. Based on the request, an invalidate request is sent to the other processor requesting the other processor to release ownership of the data. Concurrent to the invalidate request being sent to the other processor, the data is speculatively provided to the requesting processor.
Public/Granted literature
- US20200159665A1 SPECULATIVE DATA RETURN CONCURRENT TO AN EXCLUSIVE INVALIDATE REQUEST Public/Granted day:2020-05-21
Information query
IPC分类:
