Introduce about HPCI

HPCI(High-Performance Computing Infrastructure) is a shared computational environment that connects the flagship “K computer” and other major supercomputers as well as storages in Japan via high-speed networks (SINET5).

Mission of HPCI

realize the scientific and technological computing environment where a wide range of HPC users in Japan can access national HPC resources efficiently.

Organizations engaging in the HPCI

Cybermedia Center participate the HPCI and provide resources through it. Also, computing resources of the following universities and research institutions including "K computer" are offered.


  • Information Initiative Center, Hokkaido University
  • Cyberscience Center, Tohoku University
  • Center for Computational Sciences, University of Tsukuba
  • Information Technology Center, The University of Tokyo
  • Global Scientific Information and Computing Center, Tokyo Institute of Technology
  • Japan Agency for Marine-Earth Science and Technology (JAMSTEC)
  • Information Technology Center, Nagoya University
  • Academic Center for Computing and Media Studies (ACCMS), Kyoto University
  • Research Organization for Information Science and Technology (RIST)
  • Research Institute for Information Technology, Kyushu University (Only in Japanese)


HPCI accepts assignment applications tailored to various usage forms to answer various users’ needs and resources installed in separate universities can be used within one HPCI project.


System Overview

Three types of large-scale computer systems are available in Cybermedia Center.

"OCTOPUS" is the newest system in our center. OCTOPUS is a scalar computer cluster that composed four types of nodes, general purpose CPU nodes, GPU nodes, Xeon Phi nodes and large-scale shared-memory nodes.

"SX-ACE" is a vector-typed supercomputer system that has the functionality of multiple operations in 1 clock. In particular, it is a computer suited for a large-scale matrix operation or inner product operation.

"VCC (Visualization Computer Cluster)" is a scalar computer cluster that has many core Intel processors. VCC has the functionally of reconfigurable devices such as GPGPU and SSD. VCC can provide the user-requirement-suited computational resource with devices. If a user requires a cluster computer with GPGPU and SSD, VCC assigns and provides a suited computer resource. On the other hand, VCC provides a functionality of combination with a High-resolution Tiled Display System that is an interactive job. High-resolution Tiled Display systems are available at Suita Campus. Detailed information about our computer resources appears below.


Flow of HPCI use

Submission of a project proposal

Please see HPCI official site and submit a project proposal in accordance with the form. Notifications of awards is sent to Project Representatives and Contact Persons by e-mail.
HPCI official site


Project’s start

If a project is selected, an account to use our systems will be issued. HPCI users can receive the HPCI helpdesk support. The Helpdesk is the general contact point for the HPCI users and prospective users to support the necessary procedures for the HPCI application, to answer your questions for carrying out the project awarded and to solve the technical problems, cooperating with other related institutions. Also, Cybermedia Center hold holds large-scale computer system utilization training and seminars each year.
Training list


Project’s finish

Project representatives are required to submit the HPCI User Reports after completion of the HPCI research projects and to make the research achievements public. (There are exceptions if the case may be.) Please see the following page for the detail.
Reporting and Publications of Research Achievements