Our usage of high performance computers, mostly machines of the Top500 charts, started in 2008.

1. Since 2019: Top500 Karolina (IT4I.cz), thanks to IT4I-OPEN calls
2. 2023: Sunrise (ELI beamlines, Czech Republic)
3. 2022: Eclipse (ELI beamlines, Czech Republic)
4. 2020 – 2023: Navigator (University of Cumbria, Portugal) thanks to PRACE DECI calls
5. 2019: Barbora (IT4I.cz), thanks to IT4I-OPEN calls
6. 2016: Top500 Salomon (IT4I.cz), thanks to IT4I-OPEN calls
7. 2019 – 2020: Top500 Prometheus (Cyfronet, Poland) thanks to PRACE DECI calls
8. 2018 – 2019: first user of Top500 Draco (MPCDF, Germany)
9. 2016 – 2018: Top500 EOS (Fritz Haber Institute, Germany)
10. 2010 – 2012: Top500 Jade (CINES.fr, France)

Since 2016, our main usage is to run the Octopus TDDFT simulation code for preparing predictions of light interaction with solid materials.