Invention Grant
- Patent Title: Demote instruction for relinquishing cache line ownership
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Application No.: US15174566Application Date: 2016-06-06
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Publication No.: US09612969B2Publication Date: 2017-04-04
- Inventor: Chung-Lung Kevin Shum , Kathryn Marie Jackson , Charles Franklin Webb
- 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
- Agent Margaret A. McNamara; John E. Campbell
- Main IPC: G06F12/08
- IPC: G06F12/08 ; G06F12/0875 ; G06F12/0817 ; G06F12/0837 ; G06F12/0802 ; G06F3/06 ; G06F12/0811 ; G06F12/128 ; G06F12/0831 ; G06F12/084
Abstract:
A computer system processor of a multi-processor computer system having cache subsystem, executes a demote instruction to cause a cache line exclusively owned by the computer system processor to become shared or read-only in the cache subsystem.
Public/Granted literature
- US20160283381A1 DEMOTE INSTRUCTION FOR RELINQUISHING CACHE LINE OWNERSHIP Public/Granted day:2016-09-29
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