Scalable network emulation on analog neuromorphic hardware
Elias Arnold (Universität Heidelberg)
Philipp Spilger (Universität Heidelberg)
Jan V. Straub (Universität Heidelberg)
Eric Müller (Universität Heidelberg)
Dominik Dold (European Space Agency (ESA))
Gabriele Meoni (TU Delft - Aerospace Engineering)
Johannes Schemmel (Universität Heidelberg)
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Abstract
We present a novel software feature for the BrainScaleS-2 accelerated neuromorphic platform that facilitates the partitioned emulation of large-scale spiking neural networks. This approach is well suited for deep spiking neural networks and allows for sequential model emulation on undersized neuromorphic resources if the largest recurrent subnetwork and the required neuron fan-in fit on the substrate. We demonstrate the training of two deep spiking neural network models—using the MNIST and EuroSAT datasets—that exceed the physical size constraints of a single-chip BrainScaleS-2 system. The ability to emulate and train networks larger than the substrate provides a pathway for accurate performance evaluation in planned or scaled systems, ultimately advancing the development and understanding of large-scale models and neuromorphic computing architectures.
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