Dynamic Memory Channel Depth Adjustment for Power-Speed Trade-off
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Solution Overview
Problem
Existing memory devices face a trade-off between achieving fast memory performance and low power consumption, as high bandwidth often requires significant power, and there is a need for memory systems that can optimize both speed and power efficiency.
Innovation Solution
The implementation of a dynamic channel system with configurable channel portions that adjust channel depth and width based on the specific requirements of the software application or hardware master, allowing for optimized data transfer and power management by dynamically activating only the necessary components for each operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If high bandwidth is used to achieve fast memory performance, then memory speed is improved, but power consumption increases
Solution Approach 1:
The patent implements dynamic channel configuration where the memory system can adjust channel depth and width based on real-time performance requirements. The channel depth (number of bytes accessed before moving to the next channel portion) and channel width are dynamically configurable, allowing the system to optimize between speed and power consumption by activating only the necessary bandwidth for each operation rather than maintaining fixed high-bandwidth configuration continuously
Solution Approach 2:
The system changes operational parameters (channel depth, channel width, number of active channel portions) based on the specific requirements of software applications or hardware masters. By adjusting these parameters dynamically, the system can achieve fast memory performance when needed while reducing power consumption during operations that require lower bandwidth
2Productivity
If channel depth is increased to improve data transfer efficiency, then productivity is improved, but device complexity increases
Solution Approach 1:
The memory channel is divided into multiple configurable channel portions, each with adjustable depth and width. This segmentation allows the system to activate only the necessary number and size of channel portions for each operation, improving data transfer efficiency when needed while keeping the overall system manageable through modular configuration rather than requiring a monolithic complex channel structure
Data Source
AI summary
Memory devices, systems and methods are described, such as those including a dynamically configurable channel depth. Devices, systems and methods are described that adjust channel depth based on hardware and/or software requirements. One such device provides for virtual memory operations where a channel depth is adjusted for the same physical memory region responsive to requirements of different memory processes.