Memory Bus Unlock Sequence for High-Bandwidth Co-Processor I/O
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Solution Overview
Problem
Current computer systems face communication bottlenecks due to the lower bandwidths supported by traditional I/O buses, limiting the performance of co-processors and I/O devices that operate at higher speeds, particularly in applications requiring faster data transfer and reduced latency.
Innovation Solution
A system and method for interfacing co-processors and I/O devices directly via the main memory system, utilizing a maze unlock sequence and difference vector array to optimize address mapping and data transfer, allowing for enhanced I/O capabilities and performance by leveraging the higher bandwidths of the main memory bus.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If co-processors and I/O devices interface via traditional I/O bus, then device compatibility and ease of connection are maintained, but data bandwidth and communication speed are limited
Solution Approach 1:
The patent makes the main memory system serve dual functions: its traditional memory function and an I/O interface function. By allowing co-processors and I/O devices to interface through the main memory system using the maze unlock sequence, the system achieves high-speed data transfer without requiring separate high-bandwidth I/O buses, thus resolving the contradiction between speed and interface complexity.
Solution Approach 2:
The main memory system acts as an intermediary between the CPU and co-processors/I/O devices. Instead of direct I/O bus connections, data transfers are mediated through the main memory system with specialized unlock sequences, enabling high-speed communication while maintaining system compatibility and avoiding the need for complex dedicated I/O interfaces.
2Productivity
If main memory system is used for I/O interfacing, then data bandwidth and throughput are enhanced, but system complexity and initialization requirements increase
Solution Approach 1:
The patent implements preliminary initialization actions through the maze unlock sequence that configures the main memory system for I/O operations before actual data transfer begins. This preliminary setup, including address mapping configuration and mode setting, enables high-throughput operations while managing system complexity through structured initialization procedures.
Solution Approach 2:
The system dynamically changes operational parameters of the main memory system by switching between traditional memory access modes and I/O interface modes using the maze unlock sequence. This parameter changing approach allows the same hardware to achieve high data transfer throughput for I/O operations while maintaining its original memory functions, thereby managing complexity through mode switching rather than hardware duplication.
3Reliability
If traditional I/O bus is used, then system stability and compatibility are maintained, but communication bandwidth and performance are constrained
Solution Approach 1:
The main memory system is designed to perform both its traditional stable memory function and high-capacity I/O interface function. The maze unlock sequence ensures that when used for I/O operations, the system maintains reliability through controlled access protocols while achieving the high data transfer capacity needed for co-processors and high-speed devices.
Solution Approach 2:
The maze unlock sequence implements a feedback mechanism where the system responds to specific access patterns by unlocking enhanced I/O capabilities. This feedback-based approach allows the system to maintain stability under normal conditions while dynamically enabling high data transfer capacity when properly initiated, thus resolving the contradiction between reliability and transfer capacity.
Data Source
AI summary
A system for interfacing with a co-processor or input/output device is disclosed. According to one embodiment, the system performs a maze unlock sequence by operating a memory device in a maze unlock mode. The maze unlock sequence involves writing a first data pattern of a plurality of data patterns to a memory address of the memory device, reading a first set of data from the memory address, and storing the first set of data in a validated data array. The maze unlock sequence further involves writing a second data pattern of the plurality of data patterns to the memory address, reading a second set of data from the memory address, and storing the second set of data in the validated data array. A difference vector array is generated from the validate data array and an address map of the memory device is identified based on the difference vector array.