GNET-1: gigabit Ethernet network testbed. - Yuetsu Kodama; Tomohiro Kudoh; Ryousei Takano; Hitoshi Sato; Osamu Tatebe; Satoshi Sekiguchi (CLUSTER, 2004)

TCP Adaptation for MPI on Long-and-Fat Networks. - Motohiko Matsuda; Tomohiro Kudoh; Yuetsu Kodama; Ryousei Takano; Yutaka Ishikawa (CLUSTER, 2005)

Efficient MPI Collective Operations for Clusters in Long-and-Fast Networks. - Motohiko Matsuda; Tomohiro Kudoh; Yuetsu Kodama; Ryousei Takano; Yutaka Ishikawa (CLUSTER, 2006)

Effects of packet pacing for MPI programs in a Grid environment. - Ryousei Takano; Motohiko Matsuda; Tomohiro Kudoh; Yuetsu Kodama; Fumihiro Okazaki; Yutaka Ishikawa (CLUSTER, 2007)

High Performance Relay Mechanism for MPI Communication Libraries Run on Multiple Private IP Address Clusters. - Ryousei Takano; Motohiko Matsuda; Tomohiro Kudoh; Yuetsu Kodama; Fumihiro Okazaki; Yutaka Ishikawa; Yasufumi Yoshizawa (CCGRID, 2008)

Offloading VoD Server Organized Dynamically Distributed Cache Using P2P Delivery. - Ryousei Takano; Yasufumi Yoshizawa (ICOIN, 2008)

The design and implementation of MPI collective operations for clusters in long-and-fast networks. - Motohiko Matsuda; Tomohiro Kudoh; Yuetsu Kodama; Ryousei Takano; Yutaka Ishikawa (Clust. Comput., 2008)

SSS: An Implementation of Key-Value Store Based MapReduce Framework. - Hirotaka Ogawa; Hidemoto Nakada; Ryousei Takano; Tomohiro Kudoh (CloudCom, 2010)

GridARS: A Grid Advanced Resource Management System Framework for Intercloud. - Atsuko Takefusa; Hidemoto Nakada; Ryousei Takano; Tomohiro Kudoh; Yoshio Tanaka (CloudCom, 2011)

Poster: gridars resource management framework for intercloud. - Atsuko Takefusa; Hidemoto Nakada; Ryousei Takano; Tomohiro Kudoh; Yoshio Tanaka (SC Companion, 2011)

High-Resolution Timer-Based Packet Pacing Mechanism on the Linux Operating System. - Ryousei Takano; Tomohiro Kudoh; Yuetsu Kodama; Fumihiro Okazaki (IEICE Trans. Commun., 2011)

MiyakoDori: A Memory Reusing Mechanism for Dynamic VM Consolidation. - Soramichi Akiyama; Takahiro Hirofuchi; Ryousei Takano; Shinichi Honiden (IEEE CLOUD, 2012)

A distributed application execution system for an infrastructure with dynamically configured networks. - Ryousei Takano; Hidemoto Nakada; Atsuko Takefusa; Tomohiro Kudoh (CloudCom, 2012)

Cooperative VM migration for a virtualized HPC cluster with VMM-bypass I/O devices. - Ryousei Takano; Hidemoto Nakada; Takahiro Hirofuchi; Yoshio Tanaka; Tomohiro Kudoh (eScience, 2012)

Building Secure and Transparent Inter-Cloud Infrastructure for Scientific Applications. - Yoshio Tanaka; Naotaka Yamamoto; Ryousei Takano; Akihiko Ota; Philip M. Papadopoulos; Nadya Williams; Cindy Zheng; Weicheng Huang; Yi-Lun Pan; Chang-Hsing Wu; Hsi-En Yu; J. H. Steven Shiao; et al. (High Performance Computing Workshop (1), 2012)

On the use of virtualization technologies to support uninterrupted IT services: A case study with lessons learned from the Great East Japan Earthquake. - Maurício O. Tsugawa; Renato J. O. Figueiredo; José A. B. Fortes; Takahiro Hirofuchi; Hidemoto Nakada; Ryousei Takano (ICC, 2012)

Fast Wide Area Live Migration with a Low Overhead through Page Cache Teleportation. - Soramichi Akiyama; Takahiro Hirofuchi; Ryousei Takano; Shinichi Honiden (CCGRID, 2013)

Ninja Migration: An Interconnect-Transparent Migration for Heterogeneous Data Centers. - Ryousei Takano; Hidemoto Nakada; Takahiro Hirofuchi; Yoshio Tanaka; Tomohiro Kudoh (IPDPS Workshops, 2013)

Cooperative VM Migration: A Symbiotic Virtualization Mechanism by Leveraging the Guest OS Knowledge. - Ryousei Takano; Hidemoto Nakada; Takahiro Hirofuchi; Yoshio Tanaka; Tomohiro Kudoh (IEICE Trans. Inf. Syst., 2013)

Fast Live Migration with Small IO Performance Penalty by Exploiting SAN in Parallel. - Soramichi Akiyama; Takahiro Hirofuchi; Ryousei Takano; Shinichi Honiden (IEEE CLOUD, 2014)

Iris: An Inter-cloud Resource Integration System for Elastic Cloud Data Centers. - Ryousei Takano; Atsuko Takefusa; Hidemoto Nakada; Seiya Yanagita; Tomohiro Kudoh (CLOSER, 2014)

Exploring the Performance Impact of Virtualization on an HPC Cloud. - Nuttapong Chakthranont; Phonlawat Khunphet; Ryousei Takano; Tsutomu Ikegami (CloudCom, 2014)

A virtual machine consolidation framework for CloudStack platforms. - Tanasak Janpan; Vasaka Visoottiviseth; Ryousei Takano (ICOIN, 2014)

Toward Fast and Scalable Key-Value Stores Based on User Space TCP/IP Stack. - Supachai Thongprasit; Vasaka Visoottiviseth; Ryousei Takano (AINTEC, 2015)

Modeling Energy Consumption of Memory Systems. - Hirotaka Kawata; Gaku Nakagawa; Takahiro Hirofuchi; Ryousei Takano; Shuichi Oikawa (CANDAR, 2015)

Feasibility Evaluation of 6LoWPAN over Bluetooth Low Energy. - Varat Chawathaworncharoen; Vasaka Visoottiviseth; Ryousei Takano (CoRR, 2015)

RAMinate: Hypervisor-based Virtualization for Hybrid Main Memory Systems. - Takahiro Hirofuchi; Ryousei Takano (SoCC, 2016)

IaaS Migration Using the FELIX Federated Testbed. - Atsuko Takefusa; Jason H. Haga; Fumihiro Okazaki; Katsuhiko Ookubo; Seiya Yanagita; Ryousei Takano; Tomohiro Kudoh (CloudNet, 2016)

Bare-Metal Container: Direct Execution of a Container Image on a Remote Machine with an Optimized Kernel. - Kuniyasu Suzaki; Hidetaka Koie; Ryousei Takano (HPCC/SmartCity/DSS, 2016)

Flow-centric computing leveraged by photonic circuit switching for the post-moore era. - Ryousei Takano; Tomohiro Kudoh (NOCS, 2016)

Fast Live Migration for IO-Intensive VMs with Parallel and Adaptive Transfer of Page Cache via SAN. - Soramichi Akiyama; Takahiro Hirofuchi; Ryousei Takano; Shinichi Honiden (IEICE Trans. Inf. Syst., 2016)

DEMU: A DPDK-based network latency emulator. - Shuhei Aketa; Takahiro Hirofuchi; Ryousei Takano (LANMAN, 2017)

muMQ: A lightweight and scalable MQTT broker. - Wiriyang Pipatsakulroj; Vasaka Visoottiviseth; Ryousei Takano (LANMAN, 2017)

Towards write-back aware software emulator for non-volatile memory. - Atsushi Koshiba; Takahiro Hirofuchi; Soramichi Akiyama; Ryousei Takano; Mitaro Namiki (NVMSA, 2017)

Performance-assured network function virtualization for open and disaggregated optical transport systems. - Ryousei Takano; Takahiro Hirofuchi; Hirokazu Takahashi; Norio Sakaida; Katsuhiro Shimano; Kiyo Ishii; Satoshi Suda; Shu Namiki; Tomohiro Kudoh (OFC, 2017)

Efficient Algorithms for the Summed Area Tables Primitive on GPUs. - Peng Chen 035; Mohamed Wahib; Shin'ichiro Takizawa; Ryousei Takano; Satoshi Matsuoka (CLUSTER, 2018)

Hierarchical Distributed-Memory Multi-Leader MPI-Allreduce for Deep Learning Workloads. - Truong Thao Nguyen; Mohamed Wahib; Ryousei Takano (CANDAR Workshops, 2018)

Diagnosing Performance Fluctuations of High-Throughput Software for Multi-core CPUs. - Soramichi Akiyama; Takahiro Hirofuchi; Ryousei Takano (IPDPS Workshops, 2018)

Image-Classifier Deep Convolutional Neural Network Training by 9-bit Dedicated Hardware to Realize Validation Accuracy and Energy Efficiency Superior to the Half Precision Floating Point Format. - Shin-ichi O'Uchi; Hiroshi Fuketa; Tsutomu Ikegami; Wakana Nogami; Takashi Matsukawa; Tomohiro Kudoh; Ryousei Takano (ISCAS, 2018)

An Accurate Packet Loss Emulation on a DPDK-based Network Emulator. - Kanon Sasaki; Takahiro Hirofuchi; Saneyasu Yamaguchi; Ryousei Takano (AINTEC, 2019)

Optimizing Weight Value Quantization for CNN Inference. - Wakana Nogami; Tsutomu Ikegami; Shin-ichi O'Uchi; Ryousei Takano; Tomohiro Kudoh (IJCNN, 2019)

Topology-aware Sparse Allreduce for Large-scale Deep Learning. - Truong Thao Nguyen; Mohamed Wahib; Ryousei Takano (IPCCC, 2019)

ClPy: A NumPy-Compatible Library Accelerated with OpenCL. - Tomokazu Higuchi; Naoki Yoshifuji; Tomoya Sakai 003; Yoriyuki Kitta; Ryousei Takano; Tsutomu Ikegami; Kenjiro Taura (IPDPS Workshops, 2019)

A versatile software systolic execution model for GPU memory-bound kernels. - Peng Chen 035; Mohamed Wahib; Shin'ichiro Takizawa; Ryousei Takano; Satoshi Matsuoka (SC, 2019)

iFDK: a scalable framework for instant high-resolution image reconstruction. - Peng Chen 035; Mohamed Wahib; Shin'ichiro Takizawa; Ryousei Takano; Satoshi Matsuoka (SC, 2019)

On the Feasibility of Hybrid Electrical/Optical Switch Architecture for Large-Scale Training of Distributed Deep Learning. - Truong Thao Nguyen; Ryousei Takano (PHOTONICS@SC, 2019)

Perturbative GAN: GAN with Perturbation Layers. - Yuma Kishi; Tsutomu Ikegami; Shin-ichi O'Uchi; Ryousei Takano; Wakana Nogami; Tomohiro Kudoh (CoRR, 2019)

The Preliminary Evaluation of a Hypervisor-based Virtualization Mechanism for Intel Optane DC Persistent Memory Module. - Takahiro Hirofuchi; Ryousei Takano (CoRR, 2019)

A Software-based NVM Emulator Supporting Read/Write Asymmetric Latencies. - Atsushi Koshiba; Takahiro Hirofuchi; Ryousei Takano; Mitaro Namiki (IEICE Trans. Inf. Syst., 2019)

fogcached: DRAM-NVM Hybrid Memory-Based KVS Server for Edge Computing. - Kouki Ozawa; Takahiro Hirofuchi; Ryousei Takano; Midori Sugaya (EDGE, 2020)

Effect of an Incentive Implementation for Specifying Accurate Walltime in Job Scheduling. - Shin'ichiro Takizawa; Ryousei Takano (HPC Asia, 2020)

Intercontinental Disk-to-Disk Data Transfer Experiment with a Lightweight DTN Software Stack. - Purit Phan-Udom; Vasaka Visoottiviseth; Ryousei Takano (ICACT, 2020)

Massively Parallel Causal Inference of Whole Brain Dynamics at Single Neuron Resolution. - Wassapon Watanakeesuntorn; Keichi Takahashi; Kohei Ichikawa; Joseph Park; George Sugihara; Ryousei Takano; Jason Haga; Gerald M. Pao (ICPADS, 2020)

Retraining Quantized Neural Network Models with Unlabeled Data. - Kundjanasith Thonglek; Keichi Takahashi; Kohei Ichikawa; Chawanat Nakasan; Hidemoto Nakada; Ryousei Takano; Hajimu Iida (IJCNN, 2020)

Scaling distributed deep learning workloads beyond the memory capacity with KARMA. - Mohamed Wahib; Haoyu Zhang; Truong Thao Nguyen; Aleksandr Drozd; Jens Domke; Lingqi Zhang 001; Ryousei Takano; Satoshi Matsuoka (SC, 2020)

A Prompt Report on the Performance of Intel Optane DC Persistent Memory Module. - Takahiro Hirofuchi; Ryousei Takano (IEICE Trans. Inf. Syst., 2020)

An Oracle for Guiding Large-Scale Model/Hybrid Parallel Training of Convolutional Neural Networks. - Albert Njoroge Kahira; Truong Thao Nguyen; Leonardo Bautista-Gomez; Ryousei Takano; Rosa M. Badia; Mohamed Wahib (HPDC, 2021)

kEDM: A Performance-portable Implementation of Empirical Dynamic Modeling using Kokkos. - Keichi Takahashi; Wassapon Watanakeesuntorn; Kohei Ichikawa; Joseph Park; Ryousei Takano; Jason Haga; George Sugihara; Gerald M. Pao (PEARC, 2021)

Efficient MPI-AllReduce for large-scale deep learning on GPU-clusters. - Truong Thao Nguyen; Mohamed Wahib; Ryousei Takano (Concurr. Comput. Pract. Exp., 2021)

Hybrid Electrical/Optical Switch Architectures for Training Distributed Deep Learning in Large-Scale. - Truong Thao Nguyen; Ryousei Takano (IEICE Trans. Inf. Syst., 2021)

Fogcached: A DRAM/NVMM Hybrid KVS Server for Edge Computing. - Kouki Ozawa; Takahiro Hirofuchi; Ryousei Takano; Midori Sugaya (IEICE Trans. Inf. Syst., 2021)

Disaggregated Accelerator Management System for Cloud Data Centers. - Ryousei Takano; Kuniyasu Suzaki (IEICE Trans. Inf. Syst., 2021)

A Multi-Tenant Resource Management System for Multi-FPGA Systems. - Miho Yamakura; Ryousei Takano; Akram Ben Ahmed; Midori Sugaya; Hideharu Amano (IEICE Trans. Inf. Syst., 2021)

CloudQ: A Secure AI / HPC Cloud Bursting System. - Shin'ichiro Takizawa; Masaaki Shimizu; Hidemoto Nakada; Hiroya Matsuba; Ryousei Takano (HUST@SC, 2022)

Exploring the Potential of Error-permissive Communication in Multi-FPGA-based Edge Computing. - Akram Ben Ahmed; Ryousei Takano; Takahiro Hirofuchi (MCSoC, 2022)

Automated Quantization and Retraining for Neural Network Models Without Labeled Data. - Kundjanasith Thonglek; Keichi Takahashi; Kohei Ichikawa; Chawanat Nakasan; Hidemoto Nakada; Ryousei Takano; Pattara Leelaprute; Hajimu Iida (IEEE Access, 2022)

Benchmarks for Job Scheduling in Ultra-Distributed Systems. - Kundjanasith Thonglek; Chonho Lee; Hirotake Abe; Arata Endo; Takahiro Hirofuchi; Ryousei Takano; Kohei Taniguchi; Susumu Date (Mid4CC@Middleware, 2023)

METICULOUS: An FPGA-based Main Memory Emulator for System Software Studies. - Takahiro Hirofuchi; Takaaki Fukai; Akram Ben Ahmed; Ryousei Takano; Kento Sato (CoRR, 2023)

Investigating Weird Latency Deterioration of Solid-state Drives. - Daiki Natori; Takahiro Hirofuchi; Ryousei Takano; Saneyasu Yamaguchi (J. Inf. Process., 2023)

A Fast Control Plane for a Large-Scale and High-Speed Optical Circuit Switch System. - Ryousei Takano; Kiyo Ishii; Toshiyuki Shimizu; Fumihiro Okazaki; Shu Namiki; Ken-ichi Sato (CoRR, 2024)

ABCI 3.0: Evolution of the leading AI infrastructure in Japan. - Ryousei Takano; Shin'ichiro Takizawa; Yusuke Tanimura; Hidemoto Nakada; Hirotaka Ogawa (CoRR, 2024)

A Component Placement Mechanism for Latency-Constrained Applications in Cloud-Edge Environments. - Mudai Kobayashi; Mohammad Mikal Bin Amrul Halim Gan; Takahisa Seki; Takahiro Hirofuchi; Ryousei Takano; Mitsuhiro Kishimoto (IEICE Trans. Inf. Syst., 2025)