arXiv Machine Learning By Rajshekhar Rakshit, Devgokul B. V, Rakshitha Kalkura, Gopalakrishnan Srinivasan

Spike-Aware Gradient-Based Mixed-Precision Quantization of Spiking Neural Networks for Vision Applications

Read the original on arXiv Machine Learning →

The paper introduces a spike‑aware, gradient‑based mixed‑precision quantization framework for Spiking Neural Networks (SNNs), which assigns bit‑widths adaptively using first‑order gradient information. This approach avoids the memory and computational overhead of Hessian‑based methods like HAWQ‑V2 and is evaluated on VGG, ResNet, and Vision Transformer architectures across CIFAR‑10/100, ImageNet, and DVS‑CIFAR‑10 datasets. On ResNet‑34 with ImageNet, the method attains 73.30% accuracy at 4.78× compression, matching HAWQ‑V2 while reducing memory usage by 2.31× and bit‑allocation runtime by 100×, and it demonstrates energy‑efficient deployment without performance loss.

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