All Stories

  1. TRIOS: Reducing File-System Contention through Predictive Time-Resolved I/O Simulation in Job Scheduling

    Article • January 2026, ACM (Association for Computing Machinery)

    Keichi Takahashi

  2. mdx II: A High-Performance Cloud Infrastructure for Data-Intensive and Cross-Disciplinary Science

    Article • SN Computer Science, December 2025, Springer Science + Business Media

    Keichi Takahashi

  3. Maximizing Energy Budget Utilization Using Dynamic Power Cap Control

    Article • December 2024, Springer Science + Business Media

    Keichi Takahashi

  4. Prototype of a Batched Quantum Circuit Simulator for the Vector Engine

    Article • November 2023, ACM (Association for Computing Machinery)

    Keichi Takahashi

  5. The Convergence of Container and Traditional Virtualization: Strengths and Limitations

    Article • SN Computer Science, May 2023, Springer Science + Business Media

    Keichi Takahashi

  6. A Task-Parallel Runtime for Heterogeneous Multi-node Vector Systems

    Article • January 2023, Springer Science + Business Media

    Keichi Takahashi

  7. Efficient Pause Location Prediction Using Quantum Annealing Simulations and Machine Learning

    Article • IEEE Access, January 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Keichi Takahashi

  8. Equivalence Checking of Code Transformation by Numerical and Symbolic Approaches

    Article • January 2023, Springer Science + Business Media

    Keichi Takahashi

  9. Performance Evaluation of a Next-Generation SX-Aurora TSUBASA Vector Supercomputer

    Article • January 2023, Springer Science + Business Media

    Keichi Takahashi

  10. Scalable Empirical Dynamic Modeling With Parallel Computing and Approximate k-NN Search

    Article • IEEE Access, January 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Keichi Takahashi

  11. Opimon: A Transparent, Low-Overhead Monitoring System for OpenFlow Networks

    Article • IEICE Transactions on Communications, April 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Keichi Takahashi

  12. Automated Quantization and Retraining for Neural Network Models Without Labeled Data

    Article • IEEE Access, January 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Keichi Takahashi

  13. kEDM: A Performance-portable Implementation of Empirical Dynamic Modeling using Kokkos

    Article • July 2021, ACM (Association for Computing Machinery)

    Keichi Takahashi

  14. Federated Learning of Neural Network Models with Heterogeneous Structures

    Article • December 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Keichi Takahashi

  15. Massively Parallel Causal Inference of Whole Brain Dynamics at Single Neuron Resolution

    Article • December 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Keichi Takahashi

  16. Retraining Quantized Neural Network Models with Unlabeled Data

    Article • July 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Keichi Takahashi

  17. ADIOS 2: The Adaptable Input Output System. A framework for high-performance data management

    Article • SoftwareX, July 2020, Elsevier

    Keichi Takahashi

  18. A Codesign Framework for Online Data Analysis and Reduction

    Article • November 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Keichi Takahashi

  19. Improving Resource Utilization in Data Centers using an LSTM-based Prediction Model

    Article • September 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Keichi Takahashi

  20. A Traffic Simulator with Intra-node Parallelism for Designing High-performance Interconnects

    Article • July 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Keichi Takahashi

  21. Dynamic Reconfiguration of Computer Platforms at the Hardware Device Level for High Performance Computing Infrastructure as a Service

    Article • January 2018, Springer Science + Business Media

    Keichi Takahashi

  22. UnisonFlow: A Software-Defined Coordination Mechanism for Message-Passing Communication and Computation

    Article • IEEE Access, January 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Keichi Takahashi

  23. PFAnalyzer: A Toolset for Analyzing Application-Aware Dynamic Interconnects

    Article • September 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Keichi Takahashi

  24. Design and Implementation of SDN-enhanced MPI Broadcast Targeting a Fat-Tree Interconnect

    Article • July 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Keichi Takahashi

  25. Highly Reconfigurable Computing Platform for High Performance Computing Infrastructure as a Service: Hi-IaaS

    Article • January 2017, Scitepress

    Keichi Takahashi

  26. Network Access Control Towards Fully-Controlled Cloud Infrastructure

    Article • December 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Keichi Takahashi

  27. Design and implementation of control sequence generator for SDN-enhanced MPI

    Article • November 2015, ACM (Association for Computing Machinery)

    Keichi Takahashi

  28. An Empirical Study of SDN-accelerated HPC Infrastructure for Scientific Research

    Article • October 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Keichi Takahashi

  29. MPI_Reduce algorithm for OpenFlow-enabled network

    Article • October 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Keichi Takahashi

  30. Concept and Design of SDN-Enhanced MPI Framework

    Article • September 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Keichi Takahashi

  31. Toward Flexible Supercomputing and Visualization System

    Article • January 2015, Springer Science + Business Media

    Keichi Takahashi

  32. Performance evaluation of SDN-enhanced MPI allreduce on a cluster system with fat-tree interconnect

    Article • July 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Keichi Takahashi