Event-triggered Implicit Perturbation for Zeroth-Order Fine-Tuning of Spiking Transformers
Read the original on arXiv Machine Learning →The paper introduces an implicit-perturbation zeroth-order (IPZO) architecture for fine-tuning spiking transformers on in‑memory computing (IMC) accelerators. By generating perturbations only for spike‑activated weight rows and combining them with IMC weighted sums, the design eliminates costly read‑modify‑write operations and reduces the hardware footprint of random number generators. An address‑driven XOR recombination scheme (PGU‑XOR) further mitigates spatial correlations, achieving near‑software accuracy while cutting perturbation energy by up to 50% compared to conventional explicit perturbation methods.
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