Command Interface Pre-Fetch Architecture Parallel Processing
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Solution Overview
Problem
Non-volatile memory devices face challenges in increasing storage capacity and operating speed while maintaining performance, as existing technologies struggle to efficiently process combined commands and address data, leading to limitations in capacitance, power, and noise.
Innovation Solution
A command interface and pre-fetch architecture that processes combined commands and pre-fetches command and address data, enabling parallel processing of sequentially received data to improve performance by reducing processing time and optimizing system operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If storage capacity is increased in non-volatile memory devices, then data storage capability is improved, but operating speed and performance deteriorate
Solution Approach 1:
The command interface is divided into multiple parallel processing pipelines, each capable of independently processing commands and address data. This segmentation allows the system to handle multiple operations simultaneously, maintaining high operating speed even as storage capacity increases.
Solution Approach 2:
The pre-fetch architecture proactively retrieves command and address data from the host before they are needed for execution. By preparing data in advance and buffering it in the command interface, the system eliminates waiting time and maintains high throughput despite increased storage capacity.
2Device complexity
If traditional sequential processing is used for commands and address data, then processing simplicity is maintained, but processing time increases
Solution Approach 1:
The processing architecture is segmented into separate parallel pipelines: one for command data and another for address data. Each pipeline processes its data type independently and simultaneously, reducing total processing time while keeping each individual pipeline relatively simple.
Solution Approach 2:
Address data is pre-fetched and buffered in advance of when it is needed for command execution. This preliminary preparation allows the command pipeline and address pipeline to operate in parallel without complex synchronization, reducing processing time while maintaining simplicity.
3Quantity of substance
If more processing resources are allocated to handle increased capacity, then storage capability is improved, but power consumption and capacitance increase
Solution Approach 1:
Processing resources are segmented into dedicated parallel pipelines rather than being concentrated in a single high-power processor. This distribution allows efficient utilization of resources and reduces peak power consumption while supporting increased storage capacity.
Solution Approach 2:
Data pre-fetching is performed selectively and in advance during low-power periods, preparing data buffers before intensive processing is needed. This approach reduces the need for high-power continuous processing and allows the system to scale capacity without proportionally increasing power consumption.
4Device complexity
If combined commands are processed without pre-fetching, then interface simplicity is maintained, but performance and throughput are limited
Solution Approach 1:
The command interface is segmented into multiple independent processing channels that handle different aspects of command processing simultaneously. This segmentation enables parallel processing of combined commands and pre-fetched address data, improving throughput while keeping each channel relatively simple.
Solution Approach 2:
Address data is pre-fetched and buffered before command execution, allowing the command interface to process combined commands more efficiently. This preliminary preparation reduces processing bottlenecks and improves overall performance without significantly complicating the interface architecture.
Data Source
AI summary
A data storage system includes a memory including a plurality of memory cells; and control logic configured to receive a first data string and determine a data type of the first data string. If the first data string is a combination command, the control logic obtains a plurality of sub-commands based on the first data string. Meanwhile, the control logic receives a second data string, determines that it represents an address, and decodes the address. While decoding the address or otherwise processing the second data string, the control logic performs a system operation specified by one of the sub-commands. The control logic also performs a memory operation, specified by another of the sub-commands, on one or more of the plurality of memory cells in accordance with the decoded address.