Neural Network Arithmetic Device Signal Compensation
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Solution Overview
Problem
Current neural network arithmetic devices face inefficiencies in processing and compensating output distribution signals, which affects the accuracy and speed of neural network operations.
Innovation Solution
The proposed arithmetic device includes an input distribution signal generation circuit, an output distribution signal generation circuit, and an output distribution signal compensation circuit, which generate and compensate signals based on MAC calculations and activation functions, improving signal processing and accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If neural network arithmetic devices use conventional MAC calculation and activation function processing, then basic computation is achieved, but processing speed and accuracy are insufficient
Solution Approach 1:
The arithmetic device is divided into distinct functional modules: MAC calculation unit, input distribution signal generation circuit, output distribution signal generation circuit, and output distribution signal compensation circuit. Each module handles a specific aspect of the computation, allowing parallel processing and optimizing both speed and accuracy without requiring a complete redesign of the computational architecture.
Solution Approach 2:
The input distribution signal generation circuit performs preliminary processing by generating distribution signals and compensation signals from MAC calculation results before the activation function is applied. This preliminary action prepares the data in an optimized format that enables faster and more accurate subsequent processing by the output distribution signal generation circuit.
2Measurement precision
If conventional signal processing is used without distribution signal generation and compensation, then device complexity is low, but processing accuracy is insufficient
Solution Approach 1:
The input distribution signal generation circuit serves multiple functions: it generates input distribution signals for the activation function, generates compensation signals for output distribution signal compensation, and processes MAC calculation results. This multi-functionality increases processing accuracy without requiring separate dedicated circuits for each function, thereby limiting the increase in overall device complexity.
Solution Approach 2:
The input distribution signal and compensation signal act as intermediaries between the MAC calculation unit and the output distribution signal generation circuit. These intermediate signals enable accurate output signal generation by carrying processed information through the system without requiring direct complex interactions between all components.
3Reliability
If activation function is applied directly to MAC results without distribution signal processing, then processing steps are minimized, but output signal quality is insufficient
Solution Approach 1:
The input distribution signal generation circuit performs preliminary processing of MAC calculation results by generating properly distributed input signals before they are applied to the activation function. This preliminary action ensures that the activation function receives optimally prepared data, improving output signal quality without requiring complex post-processing corrections.
Solution Approach 2:
The output distribution signal compensation circuit uses compensation signals generated from MAC results to adjust and improve the quality of output distribution signals. This feedback mechanism continuously refines the output signal quality by comparing expected and actual results and applying corrective adjustments, enhancing reliability without requiring complete redesign of the processing pipeline.
Data Source
AI summary
An arithmetic device includes an input distribution signal generation circuit, an output distribution signal generation circuit, and an output distribution signal compensation circuit. The input distribution signal generation circuit generates an input distribution signal and a compensation signal based on an arithmetic result signal generated from a result of a multiplying-accumulating (MAC) calculation. The output distribution signal generation circuit applies the input distribution signal to an activation function to generate first and second output distribution signals. The output distribution signal compensation circuit compensates for the first output distribution signal based on the compensation signal, the first output distribution signal, and the second output distribution signal to generate a compensated distribution signal.