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ORCIDLalith Maddegedara
Person information
- affiliation: University of Tokyo, Department of Civil Engineering, Japan
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Journal Articles
- 2023
[j8]Kohei Fujita
, Takuma Yamaguchi, Yuma Kikuchi, Tsuyoshi Ichimura, Muneo Hori, Lalith Maddegedara:
Calculation of cross-correlation function accelerated by TensorFloat-32 Tensor Core operations on NVIDIA's Ampere and Hopper GPUs. J. Comput. Sci. 68: 101986 (2023)- 2021
- [j7]Kohei Fujita, Kentaro Koyama, Kazuo Minami, Hikaru Inoue, Seiya Nishizawa, Miwako Tsuji, Tatsuo Nishiki, Tsuyoshi Ichimura, Muneo Hori, Lalith Maddegedara:
High-fidelity nonlinear low-order unstructured implicit finite-element seismic simulation of important structures by accelerated element-by-element method. J. Comput. Sci. 49: 101277 (2021) - [j6]Lionel Quaranta, Lalith Maddegedara:
A novel MPI+MPI hybrid approach combining MPI-3 shared memory windows and C11/C++11 memory model. J. Parallel Distributed Comput. 157: 125-144 (2021) - [j5]Amit Gill, Lalith Maddegedara, Sebastian Poledna, Muneo Hori, Kohei Fujita, Tsuyoshi Ichimura:
High-Performance Computing Implementations of Agent-Based Economic Models for Realizing 1: 1 Scale Simulations of Large Economies. IEEE Trans. Parallel Distributed Syst. 32(8): 2101-2114 (2021) - 2020
- [j4]Quan Li, Yingjie Liu, Li Chen, Xingchao Yang, Yi Peng, Xiaoru Yuan, M. L. L. Wijerathne:
SEEVis: A Smart Emergency Evacuation Plan Visualization System with Data-Driven Shot Designs. Comput. Graph. Forum 39(3): 523-535 (2020) - [j3]Kohei Fujita, Masashi Horikoshi, Tsuyoshi Ichimura, Larry Meadows, Kengo Nakajima, Muneo Hori, Lalith Maddegedara:
Development of element-by-element kernel algorithms in unstructured finite-element solvers for many-core wide-SIMD CPUs: Application to earthquake simulation. J. Comput. Sci. 45: 101174 (2020) - 2019
- [j2]Takuma Yamaguchi, Kohei Fujita, Tsuyoshi Ichimura, Muneo Hori, Lalith Maddegedara:
Acceleration of unstructured implicit low-order finite-element earthquake simulation using OpenACC on Pascal GPUs. Int. J. High Perform. Comput. Netw. 13(1): 3-18 (2019) - 2013
- [j1]M. L. L. Wijerathne, Muneo Hori, Toshikazu Kabeyazawa, Tsuyoshi Ichimura:
Strengthening of Parallel Computation Performance of Integrated Earthquake Simulation. J. Comput. Civ. Eng. 27(5): 570-573 (2013)
Conference and Workshop Papers
- 2024
- [c36]Tsuyoshi Ichimura, Kohei Fujita, Muneo Hori, Maddegedara Lalith:
Low-Ordered Orthogonal Voxel Finite Element with INT8 Tensor Cores for GPU-Based Explicit Elastic Wave Propagation Analysis. ICCS (3) 2024: 257-271 - [c35]Tsuyoshi Ichimura, Kohei Fujita, Ryota Kusakabe, Hiroyuki Fujiwara, Muneo Hori, Maddegedara Lalith:
Development of an Estimation Method for the Seismic Motion Reproducibility of a Three-Dimensional Ground Structure Model by Combining Surface-Observed Seismic Motion and Three-Dimensional Seismic Motion Analysis. ICCS (3) 2024: 272-287 - 2023
- [c34]Sota Murakami, Kohei Fujita, Tsuyoshi Ichimura, Takane Hori, Muneo Hori, Maddegedara Lalith, Naonori Ueda:
Development of 3D Viscoelastic Crustal Deformation Analysis Solver with Data-Driven Method on GPU. ICCS (2) 2023: 423-437 - [c33]M. A. K. M. Dharmasiri, Maddegedara Lalith, Kohei Fujita, Tsuyoshi Ichimura, Muneo Hori:
A Novel Implicit Stress Integration Algorithm and its Verification Using von Mises and Drucker Prager Plasticity. ICCMS 2023: 63-71 - 2022
- [c32]Tsuyoshi Ichimura, Kohei Fujita, Kentaro Koyama, Ryota Kusakabe, Yuma Kikuchi, Takane Hori, Muneo Hori, Lalith Maddegedara, Noriyuki Ohi, Tatsuo Nishiki, Hikaru Inoue, Kazuo Minami, Seiya Nishizawa, Miwako Tsuji, Naonori Ueda:
152K-computer-node parallel scalable implicit solver for dynamic nonlinear earthquake simulation. HPC Asia 2022: 18-29 - [c31]Yuma Kikuchi, Kohei Fujita, Tsuyoshi Ichimura, Muneo Hori, Lalith Maddegedara:
Calculation of Cross-correlation Function Accelerated by Tensor Cores with TensorFloat-32 Precision on Ampere GPU. ICCS (1) 2022: 277-290 - [c30]Tsuyoshi Ichimura, Kohei Fujita, Ryota Kusakabe, Kentaro Koyama, Sota Murakami, Yuma Kikuchi, Takane Hori, Muneo Hori, Hikaru Inoue, Takafumi Nose, Takahiro Kawashima, Maddegedara Lalith:
Extreme Scale Earthquake Simulation with Uncertainty Quantification. SC 2022: 4:1-4:11 - [c29]Kohei Fujita, Sota Murakami, Tsuyoshi Ichimura, Takane Hori, Muneo Hori, Maddegedara Lalith, Naonori Ueda:
Scalable Finite-Element Viscoelastic Crustal Deformation Analysis Accelerated with Data-Driven Method. ScalAH@SC 2022: 18-25 - [c28]Ryota Kusakabe, Kohei Fujita, Tsuyoshi Ichimura, Muneo Hori, Maddegedara Lalith:
GPU-Accelerated Sparse Matrix Vector Product based on Element-by-Element Method for Unstructured FEM using OpenACC. WACCPD@SC 2022: 52-61 - 2021
- [c27]Tsuyoshi Ichimura, Kohei Fujita, Kentaro Koyama, Yuma Kikuchi, Ryota Kusakabe, Kazuo Minami, Hikaru Inoue, Seiya Nishizawa, Miwako Tsuji, Tatsuo Nishiki, Muneo Hori, Lalith Maddegedara, Naonori Ueda:
Fast scalable implicit solver with convergence of equation-based modeling and data-driven learning: earthquake city simulation on low-order unstructured finite element. PASC 2021: 12:1-12:12 - [c26]Kohei Fujita, Yuma Kikuchi, Tsuyoshi Ichimura, Muneo Hori, Lalith Maddegedara, Naonori Ueda:
GPU Porting of Scalable Implicit Solver with Green's Function-Based Neural Networks by OpenACC. WACCPD@SC 2021: 73-91 - [c25]Amit Gill, Maddegedara Lalith, Yoshiki Ogawa, Hideyuki O.-tani, Tsuyoshi Ichimura, Kohei Fujita, Filippo Gatti, Muneo Hori:
Seamless Simulations of Earthquake Disasters and Economy at 1: 1 scale Utilizing Big-data. WI/IAT (Workshop/Special Session) 2021: 101-108 - 2020
- [c24]Sota Murakami, Takuma Yamaguchi, Kohei Fujita, Tsuyoshi Ichimura, Maddegedara Lalith, Muneo Hori:
Data Assimilation in Volcano Deformation Using Fast Finite Element Analysis with High Fidelity Model. ICCS (3) 2020: 18-31 - [c23]Takuma Yamaguchi, Kohei Fujita, Tsuyoshi Ichimura, Akira Naruse, Jack C. Wells, Christopher Zimmer, Tjerk P. Straatsma, Muneo Hori, Lalith Maddegedara, Naonori Ueda:
Low-Order Finite Element Solver with Small Matrix-Matrix Multiplication Accelerated by AI-Specific Hardware for Crustal Deformation Computation. PASC 2020: 16:1-16:11 - [c22]Tsuyoshi Ichimura, Kohei Fujita, Muneo Hori, Lalith Maddegedara, Naonori Ueda, Yuma Kikuchi:
A Fast Scalable Iterative Implicit Solver with Green's function-based Neural Networks. ScalA@SC 2020: 61-68 - 2019
- [c21]Kohei Fujita, Masashi Horikoshi, Tsuyoshi Ichimura, Larry Meadows, Kengo Nakajima, Muneo Hori, Lalith Maddegedara:
Development of Element-by-Element Kernel Algorithms in Unstructured Implicit Low-Order Finite-Element Earthquake Simulation for Many-Core Wide-SIMD CPUs. ICCS (1) 2019: 267-280 - [c20]Lalith Maddegedara, Amit Gill, Sebastian Poledna, Muneo Hori, Hikaru Inoue, Tomoyuki Noda, Toda Koyo, Tsuyoshi Ichimura:
Distributed Memory Parallel Implementation of Agent-Based Economic Models. ICCS (2) 2019: 419-433 - [c19]Takuma Yamaguchi, Kohei Fujita, Tsuyoshi Ichimura, Akira Naruse, Lalith Maddegedara, Muneo Hori:
GPU Implementation of a Sophisticated Implicit Low-Order Finite Element Solver with FP21-32-64 Computation Using OpenACC. WACCPD@SC 2019: 3-24 - 2018
- [c18]Kohei Fujita, Keisuke Katsushima, Tsuyoshi Ichimura, Masashi Horikoshi, Kengo Nakajima, Muneo Hori, Lalith Maddegedara:
Wave Propagation Simulation of Complex Multi-Material Problems with Fast Low-Order Unstructured Finite-Element Meshing and Analysis. HPC Asia 2018: 24-35 - [c17]Keisuke Katsushima, Kohei Fujita, Tsuyoshi Ichimura, Muneo Hori, Lalith Maddegedara:
Development of Octree-Based High-Quality Mesh Generation Method for Biomedical Simulation. ICCS (2) 2018: 354-367 - [c16]Tsuyoshi Ichimura, Kohei Fujita, Masashi Horikoshi, Larry Meadows, Kengo Nakajima, Takuma Yamaguchi, Kentaro Koyama, Hikaru Inoue, Akira Naruse, Keisuke Katsushima, Muneo Hori, Lalith Maddegedara:
A Fast Scalable Implicit Solver with Concentrated Computation for Nonlinear Time-Evolution Problems on Low-Order Unstructured Finite Elements. IPDPS 2018: 620-629 - [c15]Tsuyoshi Ichimura, Kohei Fujita, Takuma Yamaguchi, Akira Naruse, Jack C. Wells, Thomas C. Schulthess, Tjerk P. Straatsma, Christopher Zimmer, Maxime Martinasso, Kengo Nakajima, Muneo Hori, Lalith Maddegedara:
A fast scalable implicit solver for nonlinear time-evolution earthquake city problem on low-ordered unstructured finite elements with artificial intelligence and transprecision computing. SC 2018: 49:1-49:11 - 2017
- [c14]Leonel Aguilar Melgar, Lalith Maddegedara, Tsuyoshi Ichimura, Muneo Hori:
On the performance and scalability of an HPC enhanced Multi Agent System based evacuation simulator. ICCS 2017: 937-947 - [c13]Kohei Fujita, Tsuyoshi Ichimura, Kentaro Koyama, Hikaru Inoue, Muneo Hori, Lalith Maddegedara:
Fast and Scalable Low-Order Implicit Unstructured Finite-Element Solver for Earth's Crust Deformation Problem. PASC 2017: 11:1-11:10 - [c12]Takuma Yamaguchi, Kohei Fujita, Tsuyoshi Ichimura, Muneo Hori, Lalith Maddegedara, Kengo Nakajima:
Implicit Low-Order Unstructured Finite-Element Multiple Simulation Enhanced by Dense Computation Using OpenACC. WACCPD@SC 2017: 42-59 - 2016
- [c11]Kohei Fujita, Keisuke Katsushima, Tsuyoshi Ichimura, Muneo Hori, Lalith Maddegedara:
Octree-Based Multiple-Material Parallel Unstructured Mesh Generation Method for Seismic Response Analysis of Soil-Structure Systems. ICCS 2016: 1624-1634 - [c10]Leonel Aguilar Melgar, Lalith Maddegedara, Tsuyoshi Ichimura, Muneo Hori:
Automatic Evacuation Management Using a Multi Agent System and Parallel Meta-Heuristic Search. PRIMA 2016: 387-396 - [c9]Kohei Fujita, Takuma Yamaguchi, Tsuyoshi Ichimura, Muneo Hori, Lalith Maddegedara:
Acceleration of Element-by-Element Kernel in Unstructured Implicit Low-Order Finite-Element Earthquake Simulation Using OpenACC on Pascal GPUs. WACCPD@SC 2016: 1-12 - 2015
- [c8]Kohei Fujita, Tsuyoshi Ichimura, Muneo Hori, Wijerathne Maddegedara Lalith Lakshman, Seizo Tanaka:
Scalable Multicase Urban Earthquake Simulation Method for Stochastic Earthquake Disaster Estimation. ICCS 2015: 1483-1493 - [c7]Tsuyoshi Ichimura, Kohei Fujita, Pher Errol Balde Quinay, Lalith Maddegedara, Muneo Hori, Seizo Tanaka, Yoshihisa Shizawa, Hiroshi Kobayashi, Kazuo Minami:
Implicit nonlinear wave simulation with 1.08T DOF and 0.270T unstructured finite elements to enhance comprehensive earthquake simulation. SC 2015: 4:1-4:12 - 2014
- [c6]Kohei Fujita, Tsuyoshi Ichimura, Muneo Hori, M. L. L. Wijerathne, Seizo Tanaka:
A Quick Earthquake Disaster Estimation System with Fast Urban Earthquake Simulation and Interactive Visualization. ICCS 2014: 866-876 - [c5]Leonel Enrique Aguilar Melgar, Wijerathne Maddegedara Lalith Lakshman, Muneo Hori, Tsuyoshi Ichimura, Seizo Tanaka:
A Scalable Workbench for Large Urban Area Simulations, Comprised of Resources for Behavioural Models, Interactions and Dynamic Environments. PRIMA 2014: 166-181 - [c4]Tsuyoshi Ichimura, Kohei Fujita, Seizo Tanaka, Muneo Hori, Wijerathne Maddegedara Lalith Lakshman, Yoshihisa Shizawa, Hiroshi Kobayashi:
Physics-Based Urban Earthquake Simulation Enhanced by 10.7 BlnDOF × 30 K Time-Step Unstructured FE Non-Linear Seismic Wave Simulation. SC 2014: 15-26 - 2013
- [c3]M. L. L. Wijerathne, Leonel Aguilar Melgar, Muneo Hori, Tsuyoshi Ichimura, Seizo Tanaka:
HPC Enhanced Large Urban Area Evacuation Simulations with Vision based Autonomously Navigating Multi Agents. ICCS 2013: 1515-1524 - [c2]Leonel Enrique Aguilar Melgar, Wijerathne Maddegedara Lalith Lakshman, Muneo Hori, Tsuyoshi Ichimura, Seizo Tanaka:
On the Development of an MAS Based Evacuation Simulation System: Autonomous Navigation and Collision Avoidance. PRIMA 2013: 388-395 - 2012
- [c1]M. L. L. Wijerathne, Muneo Hori, Tsuyoshi Ichimura, Seizo Tanaka:
Parallel Scalability Enhancements of Seismic Response and Evacuation Simulations of Integrated Earthquake Simulator. VECPAR 2012: 105-117
Informal and Other Publications
- 2024
- [i4]Tsuyoshi Ichimura, Kohei Fujita, Muneo Hori, Maddegedara Lalith:
Low-ordered Orthogonal Voxel Finite Element with INT8 Tensor Cores for GPU-based Explicit Elastic Wave Propagation Analysis. CoRR abs/2404.13683 (2024) - [i3]Tsuyoshi Ichimura, Kohei Fujita, Ryota Kusakabe, Hiroyuki Fujiwara, Muneo Hori, Maddegedara Lalith:
Development of an Estimation Method for the Seismic Motion Reproducibility of a Three-dimensional Ground Structure Model by combining Surface-observed Seismic Motion and Three-dimensional Seismic Motion Analysis. CoRR abs/2404.17754 (2024) - [i2]Tsuyoshi Ichimura, Kohei Fujita, Muneo Hori, Lalith Maddegedara, Jack C. Wells, Alan Gray, Ian Karlin, John Linford:
Heterogeneous computing in a strongly-connected CPU-GPU environment: fast multiple time-evolution equation-based modeling accelerated using data-driven approach. CoRR abs/2409.20380 (2024) - 2017
- [i1]Takuma Yamaguchi, Kohei Fujita, Tsuyoshi Ichimura, Muneo Hori, Lalith Maddegedara, Kengo Nakajima:
Implicit Low-Order Unstructured Finite-Element Multiple Simulation Enhanced by Dense Computation using OpenACC. CoRR abs/1710.08679 (2017)
Coauthor Index
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