Memory Sub-System Dynamic Operation Settings Adjustment
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Solution Overview
Problem
Conventional memory sub-systems lack the ability to configure memory operation settings according to the varying operating requirements of host systems, leading to decreased performance and increased latency in read and write operations.
Innovation Solution
A memory sub-system that adjusts memory operation settings based on the operating requirements of the host system by determining priorities for each requirement and setting appropriate parameters for programming and background management operations, such as read voltage and garbage collection frequency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If memory sub-system uses fixed operation settings, then device complexity is reduced, but performance and QoS deteriorate due to inability to adapt to varying host system requirements
Solution Approach 1:
The patent implements dynamic adjustment of memory operation settings by continuously monitoring host system performance metrics (read latency, write latency, power consumption, temperature) and automatically modifying operational parameters such as read voltage, write voltage, and bus speed. This dynamic adaptation resolves the contradiction by enabling the system to respond to changing requirements without requiring complex manual configuration.
Solution Approach 2:
The system incorporates feedback mechanisms that monitor host system performance and feed this information back to adjust memory operation settings. The controller receives performance data from the host system, analyzes it against predefined thresholds, and automatically adjusts operational parameters to optimize performance while managing power and thermal characteristics.
2Productivity
If memory sub-system increases operation settings adjustability, then performance and QoS improve, but device complexity increases
Solution Approach 1:
The memory sub-system performs self-adjustment of operational settings without requiring external intervention or complex configuration interfaces. The controller autonomously monitors performance metrics and modifies operational parameters based on predefined policies and thresholds, enabling the system to optimize its own performance while managing complexity internally.
Solution Approach 2:
The system optimizes performance by dynamically changing operational parameters such as read voltage, write voltage, and bus speed based on monitored performance characteristics. These parameter adjustments are made automatically according to performance thresholds and host system requirements, improving productivity without exposing complex configuration interfaces to users.
3Ease of operation
If memory sub-system uses default operation settings, then ease of operation is improved, but latency increases due to suboptimal performance characteristics
Solution Approach 1:
The system maintains ease of operation by requiring no manual configuration while simultaneously reducing latency through automated feedback-driven adjustment of operational settings. The controller continuously monitors read and write operations, identifies performance bottlenecks, and adjusts parameters such as voltage levels and bus speeds to optimize latency characteristics without user involvement.
Solution Approach 2:
The system performs preliminary adjustments of operational settings based on anticipated workloads and historical performance data. By proactively adjusting parameters before performance degradation occurs, the system maintains low latency while requiring no user configuration, effectively preparing the system in advance for varying operational demands.
Data Source
AI summary
A first set of memory access operations is performed at a memory sub-system based on first operation settings that are configured based on a first operating environment of a host system. A detection is made that the host system is operating in a second operating environment that is different from the first operating environment. A level of impact that each operating requirement of a set of operating requirements of the memory sub-system has on a performance of the memory sub-system in view of the second operating environment. A second set of memory access operations is determined based on a respective priority for each operating requirement of the set of operating requirements. A second set of memory access operations is performed at the memory sub-system based on the second set of memory access operation settings.