Lalith Maddegedara

Publication Activity (10 Years)

Years Active: 2015-2023
Publications (10 Years): 26

Top Topics

Gpu Implementation

Mesh Generation

Top Venues

J. Comput. Sci.

Publications

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 (2023)
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)
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)
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)
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 (2021)
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 (2021)
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)
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) (2021)
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)
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)
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 (2020)
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) (2019)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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 (2017)
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)
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)
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)
Leonel Aguilar Melgar, Lalith Maddegedara, Tsuyoshi Ichimura, Muneo Hori
Automatic Evacuation Management Using a Multi Agent System and Parallel Meta-Heuristic Search. PRIMA (2016)
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)