Visualization of Output from Large-Scale Brain Simulations

Slavnić, Vladimir (author): Scientific Computing Laboratory, Institute of Physics Belgrade, University of Belgrade

Spasojević, Marko (author): Scientific Computing Laboratory, Institute of Physics Belgrade, University of Belgrade

Alexiev, Kiril (author): Department of Mathematical Methods for Sensor Information Processing, Institute of Information and Communication Technologies, Bulgaria

(creator_code:org_t)

Related links:: http://www.prace-ri....; show more...; https://kth.diva-por... (primary) (Raw object); https://urn.kb.se/re...; show less...

Abstract Subject headings

This project concerned the development of tools for visualization of output from brain simulations performed on supercomputers. The project had two main parts: 1) creating visualizations using large-scale simulation output from existing neural simulation codes, and 2) making extensions to some of the existing codes to allow interactive runtime (in-situ) visualization. In 1) simulation data was converted to HDF5 format and split over multiple files. Visualization pipelines were created for different types of visualizations, e.g. voltage and calcium. In 2) by using the VisIt visualization application and its libsim library, simulation code was instrumented so that VisIt could access simulation data directly. The simulation code was instrumented and tested on different clusters where control of simulation was demonstrated and in-situ visualization of neural unit’s and population data was achieved.

By the author/editor: Benjaminsson, Si ...; Silverstein, Dav ...; Herman, Pawel; Melis, Paul; Slavnić, Vladimi ...; Spasojević, Mark ...; show more...; Alexiev, Kiril; Lansner, Anders, ...; show less...

About the subject

NATURAL SCIENCES: NATURAL SCIENCES; and Computer and Inf ...; and Computer Science ...

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