Invention Grant
- Patent Title: Command selection policy
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Application No.: US15791886Application Date: 2017-10-24
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Publication No.: US10409739B2Publication Date: 2019-09-10
- Inventor: Patrick A. La Fratta , Robert M. Walker
- Applicant: Micron Technology, Inc.
- Applicant Address: US ID Boise
- Assignee: Micron Technology, Inc.
- Current Assignee: Micron Technology, Inc.
- Current Assignee Address: US ID Boise
- Agency: Brooks, Cameron & Huesbch, PLLC
- Main IPC: G06F12/00
- IPC: G06F12/00 ; G06F13/16 ; G06F3/06 ; G06F12/06

Abstract:
Apparatuses and methods related to command selection policy for electronic memory or storage are described. Commands to a memory controller may be prioritized based on a type of command, a timing of when one command was received relative to another command, a timing of when one command is ready to be issued to a memory device, or some combination of such factors. For instance, a memory controller may employ a first-ready, first-come, first-served (FRFCFS) policy in which certain types of commands (e.g., read commands) are prioritized over other types of commands (e.g., write commands). The policy may employ exceptions to such an FRFCFS policy based on dependencies or relationships among or between commands. An example can include inserting a command into a priority queue based on a category corresponding to respective commands, and iterating through a plurality of priority queues in order of priority to select a command to issue.
Public/Granted literature
- US20190121545A1 COMMAND SELECTION POLICY Public/Granted day:2019-04-25
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