The RIKEN Center for Computational Sciences (R-CCS) has recently been very active in the supercomputer community. They hosted the TPC Winter 2025 Hackathon from March 5 to 7 in Kobe, Japan and then had an exhibition booth at SupercomputingAsia (SCA) 2025, which was held in Singapore from March 10 to 13. The TPC Winter 2025 Hackathon was organized by the Trillion Parameter Consortium (TPC). TPC is an emerging collective of national institutions, including RIKEN, U.S. DOE laboratories,...