Dynamic Memory Bank Configuration for Power Optimization
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Solution Overview
Problem
The increasing complexity and power-intensive nature of mobile computing devices require more efficient memory management to reduce power consumption and prolong battery life, as existing technologies do not effectively adapt memory configurations to varying application modes.
Innovation Solution
A processing system and method that determine and configure memory modes based on the operating mode of applications, activating or deactivating memory portions to optimize power usage, allowing for reduced power consumption by transitioning between different memory configurations such as full, sensor, and low-power modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If memory is configured to support full functionality of applications, then application performance is improved, but power consumption increases
Solution Approach 1:
The memory system dynamically reconfigures between different operational modes (full functionality mode and reduced functionality mode) based on application requirements. The memory controller adjusts memory configuration, bank activation, and operational parameters in real-time to match the actual computational needs, transitioning from a static to a dynamic architecture that adapts power consumption to workload demands.
Solution Approach 2:
The system changes multiple memory parameters simultaneously including operational mode, bank activation state, refresh rates, and voltage levels based on the determined application mode. When low-power mode is detected, the system modifies these parameters to reduce power consumption while maintaining sufficient functionality for the current application state.
2Duration of action of moving object
If memory configuration is adapted to reduce power consumption, then battery life is prolonged, but application performance may deteriorate
Solution Approach 1:
The system employs dynamic mode switching that allows seamless transitions between full functionality mode and reduced functionality mode. The processing system continuously monitors application state and determines the appropriate memory configuration, ensuring that performance is optimized for each specific operational context while extending battery life through reduced power consumption during lower-demand states.
Solution Approach 2:
The memory system is segmented into multiple banks that can be independently activated or deactivated. When reducing power consumption, only the necessary subset of memory banks is activated based on application requirements, allowing the system to maintain sufficient performance for current tasks while deactivating unused portions to extend battery life.
3Adaptability or versatility
If all memory banks are activated to support full application functionality, then application versatility is improved, but power consumption increases
Solution Approach 1:
The memory architecture is divided into multiple independently controllable banks. The system activates only the specific banks required for the current application mode, allowing full versatility when needed while consuming minimal power during reduced functionality states. Each memory bank can be independently configured and activated based on the determined application requirements.
Solution Approach 2:
The memory system is designed to support multiple operational modes and different application requirements through a universal memory controller that can configure the same physical memory resources for different functional states. This allows the system to provide full application versatility when required while adapting to lower-power configurations for extended battery life.
4Use of energy by moving object
If memory is reconfigured for low-power mode, then power consumption is reduced, but memory access time may increase
Solution Approach 1:
The system performs preliminary determination of the appropriate memory configuration mode based on application state before executing memory operations. By pre-configuring the memory system to the optimal mode, the system avoids runtime reconfiguration delays and ensures that memory access speed is optimized for the current operational context while maintaining reduced power consumption.
Data Source
AI summary
Certain aspects of the present disclosure provide apparatus and techniques for configuring memory in an effort to reduce power consumption. For example, certain aspects of the present disclosure may provide an apparatus having a processing system configured to determine an operating mode of an application executing on the processing system. The operating mode may be one of a plurality of operating modes of the application, and each operating mode of the plurality of operating modes may correspond to a different configuration of memory. In certain aspects, the configurations of memory may correspond to different portions of memory that are active or inactive. In certain aspects, the apparatus may also include a memory control module configured to configure the memory based on the determined operating mode of the application.