Host-Controlled Memory Background Operations During System Idle Time
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Solution Overview
Problem
Memory devices face disruptions and potential corruption or failure due to unscheduled background operations during critical system tasks, as the host device lacks information about memory device idle times and background operation requirements, leading to performance drops and user experience issues.
Innovation Solution
Implementing a system where the host device controls background operations by sending commands with optimization, idle time, and power-off indicators to manage background operations during memory device idle times, preventing disruptions and reducing corruption or failure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If background operations are performed unscheduled during memory device operations, then memory device maintenance tasks can be executed, but system performance drops and user experience deteriorates due to disruptions during critical tasks
Solution Approach 1:
The host device determines memory device idle times in advance and sends commands to schedule background operations during these predetermined idle periods. This preliminary scheduling ensures maintenance tasks are performed only when they will not disrupt critical system tasks, thus maintaining both reliability and productivity.
Solution Approach 2:
The system dynamically adjusts the timing of background operations based on real-time identification of idle times. The host device continuously monitors system state and flexibly schedules maintenance tasks during identified idle periods, allowing the system to adapt between maintaining performance and executing maintenance based on current conditions.
2Productivity
If background operations are scheduled during memory device idle times, then system performance is maintained, but the host device requires additional information about idle times and background operation requirements
Solution Approach 1:
The memory device provides feedback to the host device about its idle times and background operation requirements. The host device uses this feedback information to intelligently schedule background operations during appropriate idle periods, enabling performance maintenance without requiring complex manual configuration.
Solution Approach 2:
The memory device autonomously provides the necessary information about its own idle times and operational requirements to the host device. This self-service mechanism eliminates the need for external configuration or complex host device setup, reducing device complexity while maintaining scheduled operation benefits.
3Extent of automation
If background operations are performed without host device knowledge, then memory device autonomy is maintained, but disruptions occur during critical system tasks
Solution Approach 1:
The host device acts as an intermediary between the memory device's autonomous operation capabilities and the system's critical task requirements. It receives autonomous status information from the memory device, processes this information against system state, and coordinates execution timing to ensure both autonomy and stability are maintained.
Data Source
AI summary
Implementations described herein relate to memory device background operations. In some implementations, a memory device may receive a background operation command, from a host device, that indicates for the memory device to initiate a background operation for a memory of the memory device. The background operation command may include at least one of an optimization indicator, an idle time indicator, or a power-off time indicator. The memory device may initiate the background operation in accordance with the background operation command.