Invention Grant
- Patent Title: Memory access scheduling using category arbitration
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Application No.: US16565386Application Date: 2019-09-09
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Publication No.: US10901617B2Publication Date: 2021-01-26
- Inventor: Gregory S. Mathews , Shane J. Keil , Sukalpa Biswas , Lakshmi Narasimha Murthy Nukala , Thejasvi Magudilu Vijavaraj
- Applicant: Apple Inc.
- Applicant Address: US CA Cupertino
- Assignee: Apple Inc.
- Current Assignee: Apple Inc.
- Current Assignee Address: US CA Cupertino
- Agency: Kowert, Hood, Munyon, Rankin & Goetzel, P.C.
- Main IPC: G06F12/00
- IPC: G06F12/00 ; G06F3/06

Abstract:
A memory controller circuit coupled to a memory circuit that includes multiple banks may receive multiple access requests including a particular access request to a particular bank of the plurality of banks. The particular access request is associated with a particular virtual channel of a plurality of virtual channels. The memory controller circuit may select a given access requests of the multiple access requests based on an arbitration category value associated with a virtual channel of the given access request and modify the arbitration category value in response to selecting the given access request.
Public/Granted literature
- US20200081622A1 MEMORY ACCESS SCHEDULING USING CATEGORY ARBITRATION Public/Granted day:2020-03-12
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