CCMS

Supercomputing System for Computational Materials Science

　The high-performance supercomputing system of CCMS specializes in materials science simulations and can satisfy diverse needs in computational materials science research. It consists mainly of HPE Cray XD220v and HPE Cray XD670 with GPU accelerator, and its total theoretical peak performance is 4 PFLOPS. This system provides domestic and foreign researchers in the field of materials science with various application software for materials design.

Nickname and Front Panel Design of Supercomputing System

Nickname: MASAMUNE-II
MAterials science Supercomputing system for Advanced MUlti-scale simulations towards NExt-generation II

　Nickname “MASAMUNE-II” has been given to the supercomputing system of CCMS, continuing the nickname of the previous system “MASAMUNE-IMR”, in honor of “Masamune Date”, the first lord of Sendai in the 17th century, who dispatched the sailing ship “San Juan Bautista” towards the world from Sendai in 1613. The nickname “MASAMUNE-II” expresses our hope that creative and innovative achievements of the advanced multi-scale simulations on materials science by our supercomputing system will give great impacts towards the next-generation from Sendai to the World. “Masamune Date” is drawn on the front panel of our supercomputer by Sumi-E Artist OKAZU with the brave letter “弐” meaning “second” in Japanese Kanji. This “Masamune Date” on the front panel is looking ahead to the future advances in the materials science of the world from Sendai.

System configuration

　MASAMUNE-II, the supercomputing system of the Center for Computational Materials Science, Institute for Materials Research, Tohoku University, began operation in June 2025. The system consists of HPE Cray XD220v, HPE Scale-up Server 3200, and HPE Cray XD670 systems integrated by Hitachi, Ltd.
In October 2026, two additional HPE Cray XD670 nodes equipped with NVIDIA H200 GPUs were added to the system.
The system specifications and performance are shown below.