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Slax: A Composable JAX Library for Rapid and Flexible Prototyping of Spiking Neural Networks

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arxiv 2404.05807 v1 pith:QWDTIA4W submitted 2024-04-08 cs.NE

classification cs.NE
keywords algorithmsslaxtraininglandscapelibrarynetworksneuralperformance
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Recent advances to algorithms for training spiking neural networks (SNNs) often leverage their unique dynamics. While backpropagation through time (BPTT) with surrogate gradients dominate the field, a rich landscape of alternatives can situate algorithms across various points in the performance, bio-plausibility, and complexity landscape. Evaluating and comparing algorithms is currently a cumbersome and error-prone process, requiring them to be repeatedly re-implemented. We introduce Slax, a JAX-based library designed to accelerate SNN algorithm design, compatible with the broader JAX and Flax ecosystem. Slax provides optimized implementations of diverse training algorithms, allowing direct performance comparison. Its toolkit includes methods to visualize and debug algorithms through loss landscapes, gradient similarities, and other metrics of model behavior during training.

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Cited by 1 Pith paper

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  1. A Truly Sparse and General Implementation of Gradient-Based Synaptic Plasticity

    cs.NE 2025-01 conditional novelty 5.0 of 10

    A JAX-based automatic differentiation pipeline, Synaptax, exploits diagonal sparsity to implement online e-prop training of spiking networks with constant-in-sequence-length memory.

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