Conference Presentation (After Call) FZJ-2022-02936

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A Neuromorphic Compute Node Architecture for Reproducible Hyper-Real-Time Simulations of Spiking Neural Networks

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2022

NEST Conference 2022, OnlineOnline, Germany, 23 Jun 2022 - 24 Jun 20222022-06-232022-06-24

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Abstract: Despite the great strides neuroscience has made in recent decades, the underlying principles of brain function remain largely unknown. Advancing the field strongly depends on the ability to study large-scale neural networks and perform complex simulations. In this context, simulations in hyper-real-time are of high interest, but even the fastest supercomputer available today is not able to meet the challenge of accurate and reproducible simulation with hyper-real acceleration. The development of novel neuromorphic computer architectures holds out promise. Advances in System-on-Chip (SoC) device technology and tools are now providing interesting new design possibilities for application-specific implementations. We propose a novel hybrid software-hardware architecture approach for a neuromorphic compute node intended to work in a multi-node cluster configuration. The node design builds on the Xilinx Zynq-7000 SoC device architecture that combines a powerful programmable logic gate array (FPGA) and a dual-core ARM Cortex-A9 processor extension on a single chip. Although high acceleration can be achieved at low workloads, the development also reveals current technological limitations that also apply to CPU implementations of neural network simulation tools.


Contributing Institute(s):
  1. Jülich Supercomputing Center (JSC)
  2. Computational and Systems Neuroscience (INM-6)
  3. Theoretical Neuroscience (IAS-6)
Research Program(s):
  1. 5234 - Emerging NC Architectures (POF4-523) (POF4-523)
  2. 5111 - Domain-Specific Simulation & Data Life Cycle Labs (SDLs) and Research Groups (POF4-511) (POF4-511)
  3. ACA - Advanced Computing Architectures (SO-092) (SO-092)
  4. SLNS - SimLab Neuroscience (Helmholtz-SLNS) (Helmholtz-SLNS)

Appears in the scientific report 2022
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Institute Collections > JSC
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 Record created 2022-08-03, last modified 2024-03-13


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