Adaptive Memory Configuration via Host Profiling
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Solution Overview
Problem
Existing memory subsystems face inefficiencies in data storage and retrieval due to heterogeneous memory access demands from hosts, leading to inefficient allocation of memory and increased errors, particularly in systems like solid-state drives used in autonomous or assistive automotive technology, where different distributions of sequential and random memory access occur.
Innovation Solution
The adaptive configuration manager identifies host profiles based on the distribution of sequential and random memory access and configures memory access commands to optimize data writing, allocating specific memory blocks for each type of access, thereby improving storage efficiency and reducing errors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If memory blocks are allocated without host profiling, then device complexity is reduced, but memory access efficiency deteriorates due to heterogeneous access demands
Solution Approach 1:
The patent performs host profiling in advance to identify access patterns (sequential vs. random) before memory operations begin. The adaptive configuration manager pre-determines optimal memory block allocations based on host characteristics, allowing the system to prepare efficient access strategies beforehand rather than reacting to each access request individually.
Solution Approach 2:
The patent implements dynamic memory block allocation that adapts to different host types. The adaptive configuration manager dynamically selects between different allocation strategies (sequential access optimization vs. random access optimization) based on the identified host profile, making the memory subsystem flexible and adaptable rather than static and one-size-fits-all.
2Productivity
If memory blocks are allocated without considering access patterns, then ease of operation is improved, but data storage efficiency deteriorates due to inefficient allocation
Solution Approach 1:
The patent applies different allocation strategies to different host types based on their specific access patterns. Sequential access hosts receive memory blocks optimized for contiguous storage, while random access hosts receive blocks optimized for scattered access. This local customization of allocation quality matches each host's specific needs rather than applying a uniform approach to all hosts.
3Reliability
If memory blocks are allocated without host profiling, then device complexity is reduced, but error rate increases due to inefficient allocation
Solution Approach 1:
The patent implements a feedback mechanism where the adaptive configuration manager monitors host access patterns and uses this information to adjust memory block allocations. By continuously observing how hosts access memory and feeding this information back into the allocation decision process, the system learns optimal configurations for different host types and reduces errors through data-driven optimization.
Data Source
AI summary
Exemplary methods, apparatuses, and systems including an adaptive configuration manager for controlling configurations of memory devices. The adaptive configuration manager receives a plurality of payloads from a host. The adaptive configuration manager identifies a profile of the host from a plurality of pre-determined host profiles. The adaptive configuration manager identifies a distribution of the plurality of memory access requests, the distribution including a set of sequential payloads and a set of random payloads. The adaptive configuration manager generates a memory access command using the profile of the host including a distribution of random and sequential access. The adaptive configuration manager executes the memory access command using the profile and a payload of the plurality of payloads.