SC25 The International Conference for High Performance Computing, Networking, Storage, and Analysis (Nov 16-21, 2025, in St. Louis, USA)

TOP Events & Outreach Event Calendar SC25 The International Conference for High Performance Computing, Networking, Storage, and Analysis (Nov 16-21, 2025, in St. Louis, USA)

RIKEN will exhibit a booth at SC25 in St. Louis, Missouri.

Exhibit Dates: November 17 to 20, 2025
Booth: 3124 (Floor plan.)

RIKEN will showcase the research activities of the following RIKEN centers: the RIKEN Center for Computational Science (R-CCS), the RIKEN Center for Biosystems Dynamics Research (BDR), the Advanced General Intelligence for Science Program (TRIP-AGIS), and the RIKEN Information R&D and Strategy Headquarters (R-IH). Visitors will find the latest information on the supercomputer Fugaku, the FugakuNEXT development, and the research activities at R-CCS and other centers.

The SC25 website

Details
Date	Sun, Nov 16 - Fri, Nov 21, 2025
City	St. Louis, MO, USA

Workshops and Presentations by R-CCS Researchers

Sun, Nov 16

Workshop
International Workshop on RESource DISaggregation in High Performance Computing (RESDIS)
Balazs Gerofi, Christian Pinto, John Shalf
Workshop
Sustainable Supercomputing
Mike Woodacre, Michele Weiland, Fumiyoshi Shoji, Pekka Manninen, Jim Rogers, Cate Berard
Workshop
16th Workshop on Latest Advances in Scalable Algorithms for Large-Scale Heterogeneous Systems (ScalAH'25)
- Invited Talk: AI-for-Science by Integrations of Simulations/Data/Learning on Heterogeneous Supercomputers
  Kengo Nakajima
- Post-Variational Quantum Neural Networks on a Hybrid HPC-QC System
  Maxence Vandromme, Miwako Tsuji
- High-Performance and Power-Efficient Emulation of Matrix Multiplication using INT8 Matrix Engines
  Yuki Uchino, Katsuhisa Ozaki, Toshiyuki Imamura
Workshop
14th International Workshop on Runtime and Operating Systems for Supercomputers (ROSS 2025)
Kurt B. Ferreira, Balazs Gerofi, Torsten Hoefler, Jack Lange
Workshop
HUST-25: 12th International Workshop on HPC User Support Tools
Open Composer: A Web-Based Application for Generating and Managing Batch Jobs on HPC Clusters
Masahiro Nakao, Keiji Yamamoto
Workshop
EduHPC-25: Workshop on Education for High Performance Computing
Toward Practical HPC Education with MCJ-CloudHub
Kazuichi Oe, Tomoya Saito, Tomoya Tanjo, Jun Nishii, Koichi Okada, Keigo Yabuki, Takahiro Tamesue, Yue Wang, Atsuko Takefusa
Workshop
1st Annual Workshop on Large-Scale Quantum-Classical Computing
What can high-performance computing centers do with quantum computing?
Moderator: Antonio Mezzacapo
Panelists: Heejeong Jeong, Seiji Yunoki, Kenneth Merz, Edoardo Altamura

Mon, Nov 17

Workshop
The 11th International Workshop on Data Analysis and Reduction for Big Scientific Data
Sheng Di, Ana Gainaru, Kento Sato, Xin Liang
Workshop
PDSW'25: The 10th International Parallel Data Systems Workshop
LLMTailor: A Layer-wise Tailoring Tool for Efficient Checkpointing of Large Language Models
Minqiu Sun, Xin Huang, Luanzheng Guo, Nathan R. Tallent, Kento Sato, Dong Dai
Workshop
LLVM-HPC2025: The 11th Workshop on the LLVM Compiler Infrastructure in HPC
Dynamic Thread Coarsening for CPU and GPU OpenMP Code
Ivan R. Ivanov, Jens Domke, Toshio Endo, Johannes Doerfert

Tue, Nov 18

Panel
Let’s not Bicker about Who Trains Whom. HPC and AI in the Golden Age of Self-Taught Machines
Pete Beckman, Jack Dongarra, Rosa Badia, Anshu Dubey, Satoshi Matsuoka, Jean-Yves Berthou, Giri Chukkapalli
Paper
Auto-Tuning, Compilation, and Code Generation
A Sample-Free Compilation Framework for Efficient Dynamic Tensor Computation
Yangjie Zhou, Honglin Zhu, Qian Qiu, Weihao Cui, Zihan Liu, Peng Chen, Mohamed Wahib, Cong Guo, Siyuan Feng, Jintao Meng, Haidong Lan, Jingwen Leng, Yun Lin, Jin Song Dong, Wenxi Zhu, Minwen Deng
Birds of a Feather
The Next Wave of Confluence: AI-Driven Workflows in HPC and Cloud
William Magro, Katherine Riley, Satoshi Matsuoka, Petros Koumoutsakos, Costas Beckas
ACM Gordon Bell Finalists Presentations
ORBIT-2: Scaling Exascale Vision Foundation Models for Weather and Climate Downscaling
Xiao Wang, Jong-Youl Choi, Takuya Kurihaya, Isaac Lyngaas, Hong-Jun Yoon, Nasik Muhammad Nafi, Aristeidis Tsaris, Fan Ming, Ashwin M Aji, Maliha Hossain, Mohamed Wahib, Dali Wang, Peter Thornton, Moetasim Ashfaq, Prasanna Balaprakash, Dan Lu
Paper
Precision and Real Number Representations
RAPTOR: Practical Numerical Profiling of Scientific Applications
Faveo Hoerold, Ivan Radanov Ivanov, Akash Dhruv, William S. Moses, Anshu Dubey, Mohamed Wahib, Jens Domke

Wed, Nov 19

Paper
Machine Learning: Methods
Distributed Cross-Channel Hierarchical Aggregation for Foundation Models
Aristeidis Tsaris, Isaac Lyngaas, John Lagergren, Mohamed Wahib, Larry York, Prasanna Balaprakash, Dan Lu, Feiyi Wang, Xiao Wang
Panel
Hardware Modularity for Practical Heterogeneous HPC
George Michelogiannakis, Patricia Gonzalez-Guerrero, John Shalf, Cliff Grossner, Kentaro Sano, Hans-Christian Hoppe
Panel
The Quantum Era of HPC: Roadmaps, Challenges and Opportunities in Navigating the Integration Frontier
Ermal Rrapaj, Katherine Klymko, Antonio Córcoles, Kentaro Yamamoto, Yuval Boger, Mituhisa Sato, Edric Matwiejew
Birds of a Feather
Open-Source Hardware Tools: Advancing Architecture Research and Chip Prototyping
Kazutomo Yoshii, John Shalf, Kentaro Sano
Birds of a Feather
AI's impact on HPC - opportunity or threat?
Florian Berberich, John Towns, Toshiyuki Imamura, Pete Beckman
Paper
Anomaly Detection, Failure Management, and Resilience 2
Fine-Grained Automated Failure Management for Extreme-Scale GPU-Accelerated Systems
Yonatan Levitt, Richard Barella, Sam Zeltner, Tom Musta, Lance Cheney, Gustavo Espinosa, Olivier Franza, Balazs Gerofi
Paper
Machine Learning: Training at Scale 1
Balanced and Elastic End-to-End Training of Dynamic LLMs
Mohamed Wahib, Muhammed Abdullah Soyturk
Birds of a Feather
Bridging the Gap: Making Quantum-Classical Hybridization Work in HPC
Grahame Vittorini, Silvina Caino-Lores, Rosa Badia, Shantenu Jha, Oliver Thomson Brown, Tom Beck, Elica Kyoseva, Mitsuhisa Sato
Birds of a Feather
Advanced Architecture Testbeds: Community Resources for Enhanced HPC Research
Jeffrey Young, Fillipo Spiga, Jens Domke, Kristel Michielsen, Miwako Tsuji, Hal Finkel

Thu, Nov 20

Invited Talk
Big Data
Session Chair: Miwako Tsuji
Invited Talk
From Gordon Bell Finalist to the Osaka Expo: The Evolution of Real-Time Forecasting on Fugaku
Takemasa Miyoshi
Birds of a Feather
Mission accomplished: Arm-based systems are here and they are ‘boring’. What now? What next?
Filippo Spiga, Simon McIntosh-Smith, Miwako Tsuji, Angel Pizarro, Conrad Hillairet, Nicolas Dubé
Paper
Applications: Large-Scale Scientific Simulation
The First Star-by-Star $N$-body/Hydrodynamics Simulation of Our Galaxy Coupling with a Surrogate Model
Keiya Hirashima*, Michiko Fujii, Takayuki Saitoh, Naoto Harada, Kentaro Nomura, Kohji Yoshikawa, Yutaka Hirai, Tetsuro Asano, Kana Moriwaki, Masaki Iwasawa, Takashi Okamoto, Junichiro Makino
* RIKEN Center for Interdisciplinary Theoretical and Mathematical
Paper
Collective Operations and Communication
Bine Trees: Enhancing Collective Operations by Optimizing Communication Locality
Daniele De Sensi, Saverio Pasqualoni, Lorenzo Piarulli, Tommaso Bonato, Seydou Ba, Matteo Turisini, Jens Domke, Torsten Hoefler
Paper
Compression and Data Reduction 1
What To Support When You’re Compressing: The State of Practice, Gaps, and Opportunities for Scientific Data Compression
Franck Cappello, Robert Underwood, Yuri Alexeev, Alison Baker, Ebru Bozdağ, Martin Burtscher, Kyle Chard, Sheng Di, Kyle Gerard Felker, Paul Christopher O'Grady, Hanqi Guo, Yafan Huang, Peng Jiang, Sian Jin, Petter Johansson, Shaomeng Li, Xin Liang, Erik Lindahl, Peter Lindstrom, Zarija Lukić, Magnus Lundborg, Danylo Lykov, Masaru Nagaso, Kento Sato, Amarjit Singh, Seung Woo Son, Shihui Song, William Tang, Dingwen Tao, Jiannan Tian, Kazutomo Yoshii, Kai Zhao
Paper
Applications: Biological Modeling
Microscopic-Level Mouse Whole Cortex Simulation Composed of 9 Million Biophysical Neurons and 26 Billion Synapses on the Supercomputer Fugaku
Rin Kuriyama, Kaaya Akira, Laura Green, Beatriz Herrera, Kael Dai, Mari Iura, Gilles Gouaillardet, Asako Terasawa, Taira Kobayashi, Jun Igarashi, Anton Arkhipov, Tadashi Yamazaki

Fri, Nov 21

Workshop
3rd International Workshop on HPC Testing and Evaluation of Systems, Tools, and Software (HPCTESTS 2025)
Aurora Acceptance: A Collaborative Exascale Test Harness
Brian Homerding, Longfei Gao, Ben Lenard, Eric Pershey, Kevin Harms, Doug Waldron, Susan Coghlan, Bill Allcock, Ti Leggett, Balazs Gerofi, Tom Musta

Tue–Thu, Nov 18–20: Research and ACM SRC Posters

Session Chairs: Kento Sato, Chris Schlipalius, Anja Gerbes

Time-stepping Hamiltonian Simulation for Solving Nonlinear PDEs via a Quantum-Classical Hybrid Approach
Sangwon Kim, Junya Onishi, Ayato Takii, Younghwa Cho, Tsubokura Makoto
Memory-Efficient CFD based on MPS: Effective One-Billion-Cell Resolution on a Single Node
Junya Onishi, Ayato Takii, Sangwon Kim, Younghwa Cho, Tsubokura Makoto
The Impact of Maximum Vector Length on Cache Management Techniques in RISC-V Vector Extension
Shunya Nomura, Jiaheng Liu, Keichi Takahashi, Hiroyuki Takizawa
MPI-SGX: Enabling Confidential Computing for MPI Parallel Applications with Intel SGX Technology
Kota Shimojima, Hayato Yamaki, Hiroki Honda, Shinichiro Matsuo, Atsuko Takefusa, Shinobu Miwa
Explicit Low-Order Finite-Element Wave Simulation Accelerated with Variable-Precision Computing using INT8 Tensor Cores
Kohei Fujita, Tsuyoshi Ichimura, Muneo Hori, Lalith Maddegedara
Massively Parallel Bayesian Inference Framework for GPU Supercomputers – Application to Estimation of Coseismic Fault Slip –
Kai Nakao, Tsuyoshi Ichimura, Kohei Fujita

SC25 Planning Committee Members form R-CCS

Keynote, Plenaries, and Invited Speakers: Miwako Tsuji

Exhibitor Forum: Balazs Gerofi

Posters: Vice Chair: Kento Sato
Members: Alexandre Bardakoff, Balazs Gerofi, Kengo Nakajima, Andrès RUBIO PROAÑO, Atsuko Takefusa, Miwako Tsuji, Jens Domke

Reproducibility: Andrès RUBIO PROAÑO

Performance Measurement, Modeling, & Tools: Jens Domke

Post-Moore Computing: Kentaro Sano

Programming Frameworks: Miwako Tsuji

State of the Practice: Masaaki Kondo, Atsuko Takefusa, Keiji Yamamoto

Workshops and Symposiums: Balazs Gerofi

Awards and Rankings

Graph500
Tuesday, 18 November 2025 at 12:15pm - 1:15pm CST
Graph 500 website
TOP500 Supercomputers
Tuesday, 18 November 2025 at 5:15pm - 6:30pm CST
TOP500 official website
SC25 Awards Ceremony
Thursday, 20 November 2025 at 12:45pm - 1:30pm CST
Gordon Bell Prize for Climate Modelling, Best Paper Award, etc.