Hardware-Based Status Collector Engine for Faster Memory Operations
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Solution Overview
Problem
Conventional firmware-based management of memory sub-system operations, such as initialization and media management, is time-consuming, taking hours or days, and inefficient in terms of processing overhead and power consumption.
Innovation Solution
Implementing a hardware-based status collector acceleration engine within the memory sub-system controller to perform operations like defect scans and wear leveling more efficiently, utilizing dedicated logic to reduce communication bandwidth and processing overhead.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If firmware-based management is used for memory sub-system operations, then the system is easier to implement and maintain, but the operation time becomes excessively long (hours or days) and power consumption increases
Solution Approach 1:
The patent segments the memory management system into two parts: a firmware layer that handles high-level control and a new hardware-based status collector acceleration engine that handles specific time-consuming operations like defect scans and wear leveling. This segmentation allows critical operations to execute in hardware with dedicated logic, dramatically reducing operation time from hours/days to much faster execution while keeping the overall system manageable through layered architecture.
Solution Approach 2:
The status collector acceleration engine acts as an intermediary hardware component between the firmware and the memory devices. It receives commands from the firmware, executes them using dedicated hardware logic, and returns results to the firmware. This intermediary handles the computationally intensive operations in hardware, reducing the processing burden on the firmware and significantly accelerating operation completion.
2Productivity
If firmware-based processing is used, then the system has lower hardware requirements, but processing overhead and power consumption become excessive
Solution Approach 1:
The status collector acceleration engine is implemented as a self-contained hardware module with dedicated logic circuits that autonomously execute specific memory management operations. Once initialized by the firmware, the hardware engine independently performs defect scans, wear leveling, and other time-consuming tasks without requiring continuous firmware intervention. This self-service capability in hardware reduces processing overhead and power consumption compared to firmware-based processing.
Solution Approach 2:
The patent replaces the software-based firmware processing mechanism with a hardware-based acceleration engine for specific operations. The dedicated hardware logic circuits substitute for the firmware's software interpretation and execution, providing faster and more energy-efficient processing for status collection, defect scanning, and wear leveling operations.
3Loss of time
If hardware-based acceleration engine is implemented, then operation speed increases significantly, but device complexity and initial power requirements increase
Solution Approach 1:
The status collector acceleration engine is designed as a multi-functional hardware module that can perform multiple memory management operations including defect scans, wear leveling, and status collection. By consolidating these diverse functions into a single universal hardware engine with configurable logic, the patent reduces overall controller complexity compared to implementing separate dedicated hardware circuits for each function, while still achieving significant speedups for all supported operations.
Data Source
AI summary
Methods, systems, and devices for one or more acceleration engines for memory sub-system operations are described. An acceleration engine can perform one or more validation procedures on one or more codewords of a management unit. The acceleration engine can collect validation data for the management unit based on performing the validation procedures. The acceleration engine can aggregate the validation data into group validation data associated with a set of management units. The acceleration engine can transmit the group validation data to firmware of a memory sub-system or a host device.