Invention Grant
- Patent Title: Cache pre-fetch merge in pending request buffer
- Patent Title (中): 挂起请求缓冲区中的缓存预取合并
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Application No.: US13940525Application Date: 2013-07-12
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Publication No.: US09454486B2Publication Date: 2016-09-27
- Inventor: Brian P. Lilly , Perumal R Subramoniam , Prashant Jain
- Applicant: Apple Inc.
- Applicant Address: US CA Cupertino
- Assignee: Apple Inc.
- Current Assignee: Apple Inc.
- Current Assignee Address: US CA Cupertino
- Agency: Meyertons, Hood, Kivlin, Kowert & Goetzel, P.C.
- Main IPC: G06F12/00
- IPC: G06F12/00 ; G06F12/08 ; G06F12/10

Abstract:
An apparatus for processing cache requests in a computing system is disclosed. The apparatus may include a pending request buffer and a control circuit. The pending request buffer may include a plurality of buffer entries. The control circuit may be coupled to the pending request buffer and may be configured to receive a request for a first cache line from a pre-fetch engine, and store the received request in an entry of the pending request buffer. The control circuit may be further configured to receive a request for a second cache line from a processor, and store the request received from the processor in the entry of the pending request buffer in response to a determination that the second cache line is the same as the first cache line.
Public/Granted literature
- US20150019824A1 CACHE PRE-FETCH MERGE IN PENDING REQUEST BUFFER Public/Granted day:2015-01-15
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