Dynamic Deadline Memory Control for Resource Efficiency
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Solution Overview
Problem
Existing memory systems face challenges in ensuring operational stability and efficient resource utilization due to unpredictable changes in command processing urgency, leading to the need for temporal margins that result in inefficient slave resource utilization.
Innovation Solution
A memory control system where master processors transmit commands along with deadline information, allowing the slave processor to set schedules and prioritize commands based on earliest deadlines. This system dynamically adjusts deadlines in response to changes in command transmission times, enabling real-time management of reaction times.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If temporal margin is reserved to ensure operational stability, then command execution reliability is improved, but slave resource utilization efficiency deteriorates
Solution Approach 1:
The patent implements dynamic deadline adjustment by monitoring actual command transmission times and updating deadline information accordingly. The master processor dynamically modifies deadline values based on observed transmission performance, allowing the system to adapt to changing conditions without requiring fixed temporal margins, thus improving resource utilization while maintaining reliability
Solution Approach 2:
The system employs feedback mechanisms where the master processor monitors the actual transmission time of commands to the slave processor and uses this information to adjust deadline information for subsequent commands. This closed-loop feedback allows the system to optimize timing parameters in real-time, eliminating the need for conservative fixed margins and improving slave resource utilization efficiency
2Ease of operation
If fixed deadline information is used for command processing, then scheduling simplicity is improved, but adaptability to transmission time changes deteriorates
Solution Approach 1:
The patent transforms fixed deadline scheduling into a dynamic system where deadline information is continuously updated based on actual transmission performance. The master processor adjusts deadline values dynamically, allowing the scheduling system to maintain simplicity in structure while adapting to changing transmission conditions, thus resolving the contradiction between scheduling simplicity and adaptability
Data Source
AI summary
The present invention pertains to a system for managing a reaction time of a memory, and provides a memory control system for managing a deadline for a command in real time and a display device including a memory control function. The memory control system comprises: master processors that each transmit a command and deadline information for the command; and a slave processor that receives the commands, sets a schedule as the deadline information, selects a command in an order from a fast deadline according to the schedule, and performs a process for the selected command, wherein each of the master processors provides the deadline information in which the deadline for the command is changed in response to a change in a transmission time of transmitting the command to the slave processor, and the slave processor reconfigures the schedule in response to a change in the deadline information.