Host-Memory Connection Direction Adjustment for Traffic Imbalance
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Solution Overview
Problem
Conventional composable systems experience static data connections that lead to excessive burden on some connections and underutilization of others due to asymmetric memory operation traffic patterns, resulting in high access latencies and inefficient resource utilization.
Innovation Solution
Implement dynamic direction adjustment of connections between a host and memory based on observed traffic patterns, reallocating resources to accommodate fluctuating data traffic loads by configuring subsets of connections for downstream and upstream traffic.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If static data connections are used between host and memory, then connection configuration is simple, but traffic burden is unbalanced and access latency is high
Solution Approach 1:
The patent implements dynamic connection direction adjustment where the controller monitors traffic patterns and modifies connection directions in real-time based on observed traffic asymmetry. This allows the system to adapt connection configurations dynamically rather than using static configurations, resolving the contradiction between configuration simplicity and access latency by introducing controlled dynamicity only where needed (in connection direction, not overall system complexity).
Solution Approach 2:
The system changes the direction parameter of connections based on traffic patterns. By monitoring whether traffic is read-dominant or write-dominant and adjusting connection directions accordingly, the system optimizes bandwidth allocation without requiring complete reconfiguration of the memory subsystem, thus improving access latency while maintaining reasonable configuration complexity.
2Stability of the object's composition
If static connection directions are maintained, then system stability is high, but resource utilization is inefficient
Solution Approach 1:
The system introduces dynamic adjustment of connection directions while maintaining overall system stability through controlled monitoring and modification. The controller observes traffic patterns over time and makes gradual adjustments to connection directions, ensuring system stability is not compromised while improving resource utilization through adaptive bandwidth allocation.
Solution Approach 2:
The system implements feedback mechanisms where the controller continuously monitors traffic patterns on memory connections and uses this information to adjust connection directions. This closed-loop control ensures that changes improve resource utilization while the monitoring and threshold-based adjustment mechanisms maintain system stability by preventing erratic or excessive modifications.
3Productivity
If connection direction is dynamically adjusted, then bandwidth allocation is optimized, but system complexity increases
Solution Approach 1:
The system focuses parameter changes specifically on connection directions rather than attempting to reconfigure the entire memory subsystem. By isolating the dynamic adjustment to a single parameter (connection direction) while keeping other aspects static, the system achieves bandwidth optimization with minimal increase in overall complexity.
Solution Approach 2:
The patent applies dynamic adjustment only to specific connections that exhibit asymmetric traffic patterns, rather than uniformly adjusting all connections. The controller identifies individual connections or subsets of connections that benefit from direction changes and modifies only those, leaving other connections unchanged. This localized approach optimizes bandwidth allocation efficiency while minimizing the complexity overhead of monitoring and managing all connections.
Data Source
AI summary
Connection modification based on traffic pattern is described. In accordance with the described techniques, a traffic pattern of memory operations across a set of connections between at least one device and at least one memory is monitored. The traffic pattern is then compared to a threshold traffic pattern condition, such as an amount of data traffic in different directions across the connections. A traffic direction of at least one connection of the set of connections is modified based on the traffic pattern corresponding to the threshold traffic pattern condition.