Julian Göltz

ORCID: 0000-0002-5378-932X
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About
Contact & Profiles
Research Areas
  • Advanced Memory and Neural Computing
  • Neural dynamics and brain function
  • Ferroelectric and Negative Capacitance Devices
  • Neural Networks and Reservoir Computing
  • Neural Networks and Applications
  • Functional Brain Connectivity Studies
  • Infrastructure Maintenance and Monitoring
  • Advanced Neural Network Applications
  • CCD and CMOS Imaging Sensors
  • Industrial Vision Systems and Defect Detection
  • Non-Destructive Testing Techniques

Kirchhoff (Germany)
2019-2025

Heidelberg University
2019-2025

University of Bern
2019-2025

Institute for Physics
2019-2020

We present first experimental results on the novel BrainScaleS-2 neuromorphic architecture based an analog neuro-synaptic core and augmented by embedded microprocessors for complex plasticity experiment control. The high acceleration factor of 1000 compared to biological dynamics enables execution computationally expensive tasks, allowing fast emulation long-duration experiments or rapid iteration over many consecutive trials. flexibility our is demonstrated in a suite five distinct...

10.1109/iscas45731.2020.9180741 article EN 2022 IEEE International Symposium on Circuits and Systems (ISCAS) 2020-09-29

Neuromorphic systems open up opportunities to enlarge the explorative space for computational research. However, it is often challenging unite efficiency and usability. This work presents software aspects of this endeavor BrainScaleS-2 system, a hybrid accelerated neuromorphic hardware architecture based on physical modeling. We introduce key Operating System: experiment workflow, API layering, design, platform operation. present use cases discuss derive requirements showcase implementation....

10.3389/fnins.2022.884128 article EN cc-by Frontiers in Neuroscience 2022-05-18

For a biological agent operating under environmental pressure, energy consumption and reaction times are of critical importance. Similarly, engineered systems also strive for short time-to-solution low energy-to-solution characteristics. At the level neuronal implementation, this implies achieving desired results with as few early spikes possible. In time-to-first-spike coding framework, both these goals inherently emerging features learning. Here, we describe rigorous derivation...

10.1145/3381755.3381770 article EN 2020-03-17

The Yin-Yang dataset was developed for research on biologically plausible error backpropagation and deep learning in spiking neural networks. It serves as an alternative to classic datasets, especially early-stage prototyping scenarios both network models hardware platforms, which it provides several advantages. First, is smaller therefore faster learn, thereby being better suited small-scale exploratory studies software simulations prototypes. Second, exhibits a very clear gap between the...

10.1145/3517343.3517380 article EN 2022-03-28

The Yin-Yang dataset was developed for research on biologically plausible error backpropagation and deep learning in spiking neural networks. It serves as an alternative to classic datasets, especially early-stage prototyping scenarios both network models hardware platforms, which it provides several advantages. First, is smaller therefore faster learn, thereby being better suited small-scale exploratory studies software simulations prototypes. Second, exhibits a very clear gap between the...

10.48550/arxiv.2102.08211 preprint EN other-oa arXiv (Cornell University) 2021-01-01

For a biological agent operating under environmental pressure, energy consumption and reaction times are of critical importance. Similarly, engineered systems optimized for short time-to-solution low energy-to-solution characteristics. At the level neuronal implementation, this implies achieving desired results with as few early spikes possible. With time-to-first-spike coding both these goals inherently emerging features learning. Here, we describe rigorous derivation learning rule such...

10.48550/arxiv.1912.11443 preprint EN cc-by arXiv (Cornell University) 2019-01-01

With an increasing presence of science throughout all parts society, there is a rising expectation for researchers to effectively communicate their work and, equally, teachers discuss contemporary findings in classrooms. While the community can resort established set teaching aids fundamental concepts most natural sciences, need similarly illustrative experiments and demonstrators neuroscience. We therefore introduce Lu.i: parametrizable electronic implementation leaky-integrate-and-fire...

10.48550/arxiv.2404.16664 preprint EN arXiv (Cornell University) 2024-04-25

Recent efforts have fostered significant progress towards deep learning in spiking networks, both theoretical and silico. Here, we discuss several different approaches, including a tentative comparison of the results on BrainScaleS-2, hint future such comparative studies.

10.48550/arxiv.2309.10823 preprint EN cc-by arXiv (Cornell University) 2023-01-01

We demonstrate five experiments that are performed on the novel BrainScaleS-2 neuromorphic architecture based an analog neuro-synaptic core and augmented by embedded microprocessors for complex plasticity experiment control. The high acceleration factor of 1000 compared to biological dynamics enables execution computationally expensive tasks, allowing fast emulation long-duration or rapid iteration over many consecutive trials. were chosen emphasize different aspects system, especially...

10.1109/iscas45731.2020.9180960 article EN 2022 IEEE International Symposium on Circuits and Systems (ISCAS) 2020-09-29

Neuromorphic systems open up opportunities to enlarge the explorative space for computational research. However, it is often challenging unite efficiency and usability. This work presents software aspects of this endeavor BrainScaleS-2 system, a hybrid accelerated neuromorphic hardware architecture based on physical modeling. We introduce key Operating System: experiment workflow, API layering, design, platform operation. present use cases discuss derive requirements showcase implementation....

10.48550/arxiv.2203.11102 preprint EN other-oa arXiv (Cornell University) 2022-01-01
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