ISA Register Pattern Compression for DMA Data Transfer
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Solution Overview
Problem
Traditional computing systems require separate hardware modules for DMA and data compression/decompression, leading to inefficient data processing due to the need for extra operation cycles, software configuration, and software iteration loops, which consume significant computational resources and bandwidth.
Innovation Solution
Implementing an embedded compression module within DMA, utilizing a global state machine and ISA instructions for data compression and decompression, eliminating the need for software intervention and reducing computational overhead.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If separate hardware modules for DMA and data compression/decompression are used, then data transfer functionality is provided, but processing speed is reduced due to extra operation cycles and software intervention
Solution Approach 1:
The patent merges the data compression/decompression module directly into the DMA controller, creating an integrated unit that performs both data transfer and compression/decompression operations. This eliminates the need for separate hardware modules and reduces the number of operation cycles required, as the compression module can process data during the DMA transfer operation itself without requiring additional software intervention or separate processing steps.
2Productivity
If separate compression module outside DMA is used, then data compression functionality is provided, but computational resources and bandwidth are consumed due to software configuration and iteration loops
Solution Approach 1:
The integrated compression module within the DMA controller performs compression operations autonomously during data transfer, eliminating the need for external software configuration and iteration loops. The module self-manages the compression process using hardware-based algorithms, reducing computational resource consumption and freeing up the CPU from handling compression-related software cycles.
3Ease of operation
If software intervention is used for compression module configuration, then flexibility is provided, but processing time increases due to software cycles
Solution Approach 1:
The patent replaces software-based compression configuration with hardware-based automatic configuration mechanisms. The compression module is pre-configured with compression algorithms and parameters in hardware, allowing it to operate automatically during DMA transfers without requiring software intervention. This substitution of mechanical/software operations with hardware operations maintains configuration flexibility while eliminating the time-consuming software cycles.
Data Source
AI summary
In one embodiment, a computing system may set data to a first group of registers. The first group of registers may be configured to be accessed during a single operation cycle. The system may set a number of patterns to a second group of registers. Each pattern of the number of patterns may include an array of index for the data stored in the first group of registers. The system may select, for a first vector register associated with a vector engine, a first pattern from the patterns stored in the second group of registers. The system may load a first portion of the data from the first group of registers to the first vector register based on the first pattern selected for the first vector register from the patterns stored in the second group of registers.