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Hardware Efficient Weight-Binarized Spiking Neural Networks

2023· article· en· W4379115853 on OpenAlexaff
Chengcheng Tang, Jie Han

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldEngineering
TopicAdvanced Memory and Neural Computing
Canadian institutionsUniversity of Alberta
Fundersnot available
KeywordsSpiking neural networkMNIST databaseComputer scienceArtificial neural networkBottleneckPerceptronSpike (software development)EncoderArtificial intelligenceLayer (electronics)Multilayer perceptronComputer hardwareEmbedded system

Abstract

fetched live from OpenAlex

The advancement in spiking neural networks (SNNs) provides a promising and alternative approach to conventional artificial neural networks (ANNs) with higher energy efficiency. However, the significant requirements on memory usage presents a performance bottleneck on resource constrained devices. Inspired by the notion of binarized neural networks (BNNs), we incorporate the design principles in BNNs into that of SNNs to reduce the stringent resource requirements. Specifically, the weights are binarized to 1 and -1 for implementing the functions of excitatory and inhibitory synapses. Hence, the proposed design is referred to as a weight-binarized spiking neural network (WB-SNN). In the WB-SNN, only one bit is used for the weight or a spike; for the latter, 1 and 0 indicate a spike and no spike, respectively. A priority encoder is used to identify the index of an active neuron as a basic unit to construct the WB-SNN. We further design a fully connected neural network that consists of an input layer, an output layer, and fully connected layers of different sizes. A counter is utilized in each neuron to complete the accumulation of weights. The WB-SNN design is validated by using a multi-layer perceptron on the MNIST dataset. Hardware implementations on FPGAs show that the WB-SNN attains a significant saving of memory with only a limited accuracy loss compared with its SNN and BNN counterparts.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.001
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.002
Threshold uncertainty score0.008

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.001
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0010.001
Open science0.0010.001
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0020.001

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.015
GPT teacher head0.228
Teacher spread0.213 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designSimulation or modeling
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations3
Published2023
Admission routes1
Has abstractyes

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