November 11, 2021
UTC timezone

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This course is dedicated to the most powerful Czech supercomputer KAROLINA. Participants will learn about its architecture and key parameters, how to access IT4Innovations resources, how to run jobs and how to use the GPU accelerated partition. 

The course is taking place on-line. Zoom meeting details will be sent prior to the event to all registered participants.


prof. Ing. Tomáš Kozubek, Ph.D. - Scientific Director of IT4Innovations

Mgr. Branislav Jansík, Ph.D. - Supercomputing Services Director of IT4Innovations

Ing. et Ing. Radovan Pasek - Head of  Division of HPC Operation and Management of IT4Innovations

Bc. Jakub Kropáček - HPC System Specialist

Ing. Lubomír Říha, Ph.D. - Head of Infrastructure Research Lab of IT4Innovations

Detailed agenda

9:00 - 9:30 About IT4I (T. Kozubek)

  • Who we are

  • HPC resources and related infrastructure

  • Who are our users and what they compute

  • Overview of provided services

  • Opportunities for cooperation

9:30 - 10:30 Introduction of the Karolina supercomputer (B. Jansík)

  • Architecture and key parameters

  • Universal partition

  • Accelerated partition

  • Data analytics partition

  • Cloud partition

  • Network

  • Scratch and Project storages

  • Performance

10:45 - 12:00 How to access the IT4I computational resources (B. Jansík, J. Kropáček)

  • Access mechanisms

  • How to submit an application for computational resources

  • Evaluation of application

  • Account creation request

  • First login to the IT4I HPC resources (guided examples)

  • Computing environment and available software libraries and tools (guided examples) 

13:00 - 14:30 The use of the IT4I infrastructure (R. Pasek, J. Kropáček)

  • HPC resources allocation, PBS, hyperqueue (guided examples)

  • Scratch and Project storages (guided examples)

  • Special tools (Nodes availability overview, ...) (guided examples)

  • How to run jobs (guided examples)

14:45 - 16:00 Technical features and the use of GPU accelerated partition (L. Říha)

  • Comparison of Karolina with Barbora and Salomon, NUMA architecture

  • GPU accelerated partition and how to use it (guided examples)

  • Singularity - creating, launching, and simple operations with containers (guided examples)



This event was supported by the EuroCC project. This project has received funding from the European High-Performance Computing Joint Undertaking (JU) under grant agreement No 951732. The JU receives support from the European Union’s Horizon 2020 research and innovation programme and Germany, Bulgaria, Austria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Greece, Hungary, Ireland, Italy, Lithuania, Latvia, Poland, Portugal, Romania, Slovenia, Spain, Sweden, the United Kingdom, France, the Netherlands, Belgium, Luxembourg, Slovakia, Norway, Switzerland, Turkey, Republic of North Macedonia, Iceland, Montenegro. This project has received funding from the Ministry of Education, Youth and Sports of the Czech Republic (ID:MC2101).