Sarat Sreepathi Computer Scientist Contact SARAT@ORNL.GOV All Publications Parallel Multivariate Spatio-Temporal Clustering of Large Ecological Datasets on Hybrid Supercomputers To Exascale and Beyond—The Simple Cloud-Resolving E3SM Atmosphere Model (SCREAM), a Performance Portable Global Atmosphere Model for Cloud-Resolving Scales Perspectives on AI Architectures and Codesign for Earth System Predictability... The Simple Cloud-Resolving E3SM Atmosphere Model Running on the Frontier Exascale System Experiences readying applications for Exascale Porting the WAVEWATCH III (v6.07) wave action source terms to GPU The DOE E3SM Model Version 2: Overview of the Physical Model and Initial Model Evaluation Early Evaluation of Fugaku A64FX Architecture Using Climate Workloads Unprecedented cloud resolution in a GPU-enabled full-physics atmospheric climate simulation on OLCF’s summit supercomputer Spatial core-edge coupling of the particle-in-cell gyrokinetic codes GEM and XGC Land Model Testbed: Accelerating Development, Benchmarking and Analysis of Land Surface Models Parallel k-means Clustering of Geospatial Data Sets Using Manycore CPU Architectures Performance Analysis and Optimization of the RAMPAGE Metal Alloy Potential Generation Software Communication Characterization and Optimization of Applications Using Topology-Aware Task Mapping on Large Supercomputers Communication Characterization and Optimization of Applications Using Topology-Aware Task Mapping on Large Supercomputers Hierchical Clustering and K-means Analysis of HPC Application Kernels Performance Characteristics... Application Characterization using Oxbow Toolkit and PADS Infrastructure SCORPIO: A Scalable Two-Phase Parallel I/O Library With Application To A Large Scale Subsurface Simulator... Key Links Organizations Computing and Computational Sciences Directorate Computational Sciences and Engineering Division Advanced Computing Methods for Physical Sciences Section Computational Earth Sciences Group Exascale Computing Project National Security Sciences Directorate Climate Change Science Institute
