Keiji Yamamoto

33 papers A 2B 3C 5Misc 1Journal 9Unranked 13

Year	Rank	Type	Title / Venue / Authors
2026	—	`conf`	System Software Utilization on an ARM-Based Supercomputer: Insights from a Production-Scale System. SCA/HPC Asia Workshops Yosuke Asai, Kento Sato, Keiji Yamamoto, Hitoshi Murai, Kohei Yoshida
2025	C	`conf`	Analysis of Application Power Characteristics Using Performance Counters on A64FX. ISC Ryoma Ohara, Keiji Yamamoto, Toshihiro Hanawa
2025	—	`conf`	Open Composer: A Web-Based Application for Generating and Managing Batch Jobs on HPC Clusters. SC Workshops Masahiro Nakao, Keiji Yamamoto
2024	J	`jnl`	Autonomy Loops for Monitoring, Operational Data Analytics, Feedback, and Response in HPC Operations. CoRR Francieli Boito, Jim M. Brandt, Valeria Cardellini, Philip H. Carns, Florina M. Ciorba, Hilary Egan, Ahmed Eleliemy, Ann C. Gentile, Thomas Gruber, Jeff Hanson, Utz-Uwe Haus, Kevin A. Huck, Thomas Ilsche, Thomas Jakobsche, Terry R. Jones, Sven Karlsson, Abdullah Mueen, Michael Ott, Tapasya Patki, Ivy Peng, Krishnan Raghavan, Stephen Simms, Kathleen Shoga, Michael T. Showerman, Devesh Tiwari, Torsten Wilde, Keiji Yamamoto
2024	—	`conf`	On the Building of a Common In-Situ Visualization Environment for Arm A64FX Supercomputers. CLUSTER Workshops Jorji Nonaka, Masahiro Nakao, Hitoshi Murai, Keiji Yamamoto, Masaaki Terai, Tomohiro Kawanabe, Toshihiko Kai, Fumiyoshi Shoji, Daichi Obinata, Hiroyuki Ito, Shunji Uno, Takanori Haga, Manabu Motokawa, Atsushi Fujino, Naoyuki Fujita, Seiji Tsutsumi, Atsushi Toyoda, Naohisa Sakamoto
2024	—	`conf`	Toward Providing Root Privilege to Flagship HPC Users with Thin-Hypervisor. CLUSTER Workshops Takaaki Fukai, Manami Mori, Keiji Yamamoto, Takahiro Hirofuchi, Takuya Asaka
2024	A	`conf`	Toward Sustainable HPC: In-Production Deployment of Incentive-Based Power Efficiency Mechanism on the Fugaku Supercomputer. SC Ana Luisa Veroneze Solórzano, Kento Sato, Keiji Yamamoto, Fumiyoshi Shoji, Jim M. Brandt, Benjamin Schwaller, Sara Petra Walton, Jennifer Green, Devesh Tiwari
2023	—	`conf`	Augmenting ML-based Predictive Modelling with NLP to Forecast a Job's Power Consumption. SC Workshops Francesco Antici, Keiji Yamamoto, Jens Domke, Zeynep Kiziltan
2023	—	`conf`	Autonomy Loops for Monitoring, Operational Data Analytics, Feedback, and Response in HPC Operations. CLUSTER Workshops Francieli Boito, Jim M. Brandt, Valeria Cardellini, Philip H. Carns, Florina M. Ciorba, Hilary Egan, Ahmed Eleliemy, Ann C. Gentile, Thomas Gruber, Jeff Hanson, Utz-Uwe Haus, Kevin A. Huck, Thomas Ilsche, Thomas Jakobsche, Terry R. Jones, Sven Karlsson, Abdullah Mueen, Michael Ott, Tapasya Patki, Ivy Peng, Krishnan Raghavan, Stephen Simms, Kathleen Shoga, Michael T. Showerman, Devesh Tiwari, Torsten Wilde, Keiji Yamamoto
2023	—	`conf`	Introducing Open OnDemand to Supercomputer Fugaku. SC Workshops Masahiro Nakao, Hidetomo Kaneyama, Masaru Nagaku, Ikki Fujiwara, Atsuko Takefusa, Shin'ichi Miura, Keiji Yamamoto
2023	J	`jnl`	Optimization Algorithm with Automatic Adjustment of the Number of Switches in the Order/Radix Problem. IEICE Trans. Inf. Syst. Masaki Tsukamoto, Yoshiko Hanada, Masahiro Nakao, Keiji Yamamoto
2023	—	`conf`	Reflections on the Developments of Visual Analytics Systems for the K Computer System Log Data. VisGap@EuroVis Jorji Nonaka, Keijiro Fujita, Takanori Fujiwara, Naohisa Sakamoto, Keiji Yamamoto, Masaaki Terai, Toshiyuki Tsukamoto, Fumiyoshi Shoji
2022	J	`jnl`	Classifying jobs towards power-aware HPC system operation through long-term log analysis. Array Yuichi Tsujita, Atsuya Uno, Ryuichi Sekizawa, Keiji Yamamoto, Fumichika Sueyasu
2022	J	`jnl`	Graph optimization algorithm using symmetry and host bias for low-latency indirect network. Parallel Comput. Masahiro Nakao, Masaki Tsukamoto, Yoshiko Hanada, Keiji Yamamoto
2021	J	`jnl`	A Visual Analytics Framework for Reviewing Multivariate Time-Series Data with Dimensionality Reduction. IEEE Trans. Vis. Comput. Graph. Takanori Fujiwara, Shilpika, Naohisa Sakamoto, Jorji Nonaka, Keiji Yamamoto, Kwan-Liu Ma
2021	—	`conf`	An Operational Data Collecting and Monitoring Platform for Fugaku: System Overviews and Case Studies in the Prelaunch Service Period. ISC Workshops Masaaki Terai, Keiji Yamamoto, Shin'ichi Miura, Fumiyoshi Shoji
2021	C	`conf`	Job Classification Through Long-Term Log Analysis Towards Power-Aware HPC System Operation. PDP Yuichi Tsujita, Atsuya Uno, Ryuichi Sekizawa, Keiji Yamamoto, Fumichika Sueyasu
2020	J	`jnl`	A Visual Analytics Framework for Reviewing Multivariate Time-Series Data with Dimensionality Reduction. CoRR Takanori Fujiwara, Shilpika, Naohisa Sakamoto, Jorji Nonaka, Keiji Yamamoto, Kwan-Liu Ma
2020	—	`conf`	Characterizing I/O Optimization Effect Through Holistic Log Data Analysis of Parallel File Systems and Interconnects. ISC Workshops Yuichi Tsujita, Yoshitaka Furutani, Hajime Hida, Keiji Yamamoto, Atsuya Uno
2019	—	`conf`	Modeling the Existing Cooling System to Learn its Behavior for Post-K Supercomputer at RIKEN R-CCS. ICPP Workshops Motohiko Matsuda, Hiroya Matsuba, Jorji Nonaka, Keiji Yamamoto, Hiroshi Shibata, Toshiyuki Tsukamoto
2018	C	`conf`	Classifying Jobs and Predicting Applications in HPC Systems. ISC Keiji Yamamoto, Yuichi Tsujita, Atsuya Uno
2018	—	`conf`	I/O Interference Alleviation on Parallel File Systems Using Server-Side QoS-Based Load-Balancing. ISC Workshops Yuichi Tsujita, Yoshitaka Furutani, Hajime Hida, Keiji Yamamoto, Atsuya Uno, Fumichika Sueyasu
2017	C	`conf`	Alleviating I/O Interference Through Workload-Aware Striping and Load-Balancing on Parallel File Systems. ISC Yuichi Tsujita, Tatsuhiko Yoshizaki, Keiji Yamamoto, Fumichika Sueyasu, Ryoji Miyazaki, Atsuya Uno
2015	B	`conf`	Transmit power control and channel assignment for femto cells in HetNet systems using genetic algorithm. PIMRC Kohta Nakamura, Taichi Tashiro, Keiji Yamamoto, Kenichi Ohno
2014	Misc	`conf`	The K computer Operations: Experiences and Statistics. ICCS Keiji Yamamoto, Atsuya Uno, Hitoshi Murai, Toshiyuki Tsukamoto, Fumiyoshi Shoji, Shuji Matsui, Ryuichi Sekizawa, Fumichika Sueyasu, Hiroshi Uchiyama, Mitsuo Okamoto, Nobuo Ohgushi, Katsutoshi Takashina, Daisuke Wakabayashi, Yuki Taguchi, Mitsuo Yokokawa
2012	—	`conf`	Poster: Distributed Metadata Management for Exascale Parallel File System. SC Companion Keiji Yamamoto, Atsushi Hori, Yutaka Ishikawa
2011	B	`conf`	Catwalk-ROMIO: A Cost-Effective MPI-IO. ICPADS Atsushi Hori, Keiji Yamamoto, Yutaka Ishikawa
2011	C	`conf`	Xruntime: A Seamless Runtime Environment for High Performance Computing. HPCC Keiji Yamamoto, Atsushi Hori, Shinji Sumimoto, Yutaka Ishikawa
2008	J	`jnl`	Integration of Temporal Subtraction and Nodule Detection System for Digital Chest Radiographs into Picture Archiving and Communication System (PACS): Four-year Experience. J. Digit. Imaging Shuji Sakai, Hidetake Yabuuchi, Yoshio Matsuo, Takashi Okafuji, Takeshi Kamitani, Hiroshi Honda, Keiji Yamamoto, Keiichi Fujiwara, Naoki Sugiyama, Kunio Doi
2006	J	`jnl`	Computer-Aided Nodule Detection on Digital Chest Radiography: Validation Test on Consecutive T1 Cases of Resectable Lung Cancer. J. Digit. Imaging Shuji Sakai, Hiroyasu Soeda, Naoki Takahashi, Takashi Okafuji, Tadamasa Yoshitake, Hidetake Yabuuchi, Ichiro Yoshino, Keiji Yamamoto, Hiroshi Honda, Kunio Doi
2006	J	`jnl`	Evaluation of the Image Quality of Temporal Subtraction Images Produced Automatically in a PACS Environment. J. Digit. Imaging Shuji Sakai, Hiroyasu Soeda, Akio Furuya, Hidetake Yabuuchi, Takashi Okafuji, Keiji Yamamoto, Hiroshi Honda, Kunio Doi
2006	B	`conf`	Portable Execution Time Analysis Method. RTCSA Keiji Yamamoto, Yutaka Ishikawa, Toshihiro Matsui
2002	A	`conf`	Speculative computation with multi-agent belief revision. AAMAS Ken Satoh, Keiji Yamamoto