Kalyan Perumalla is an R&D Manager with 25 years of experience. As a Federal Program Manager in Advanced Scientific Computing Research at the U.S. Dept. of Energy, Office of Science, Kalyan Perumalla manages a $100-million R&D portfolio covering AI, HPC, Quantum, SciDAC, and Basic Computer Science. He previously led advanced R&D as Distinguished Research Staff Member at the Oak Ridge National Laboratory (ORNL) developing scalable software and applications on the world’s largest supercomputers for 17 years, including as a line manager and a founding group leader. He has held senior faculty and adjunct appointments at UTK, GT, and UNL, and was an IAS Fellow at Durham University.
Education
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PhD, Computer Science
Georgia Institute of Technology
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MS, Computer Science
University of Central Florida
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BE, Mechanical Engineering
Osmania University
Latest
- Competitive Portfolios for Advanced Scientific Computing Research: Data Management and Visualization
- Exploratory Research for Extreme-Scale Science (EXPRESS)
- Scientific Discovery through Advanced Computing (SciDAC) Institutes
- Early Career Research Program (ECRP)
- National Quantum Information Science Research Centers
- Continuation of Solicitation for the Office of Science Financial Assistance Program
- Reaching a New Energy Sciences Workforce (RENEW)
- Advancements in Artificial Intelligence for Science
- Competitive Portfolios for Advanced Scientific Computing Research
- Exploratory Research for Extreme-Scale Science (EXPRESS)
- A Flexible OT Testbed for Evaluating On-Device Implementations of IEC-61850 GOOSE
- Artificial Intelligence Tools for Catalyzing Interdisciplinary Science (SBIR)
- Digital-Twin Capabilities for Science Network Infrastructures (SBIR)
- Mixed Integer Solver Technology for Accelerated Computing Systems (SBIR)
- Determining the Most Significant Metadata Features to Indicate Defective Software Commits
- Scientific Enablers of Quantum Communications
- Impact of Grammar on Language Model Comprehension
- A Testbed for Evaluating Performance and Cybersecurity Implications of IEC-61850 GOOSE Hardware Implementations
- Survey of Cybersecurity Governance, Threats, and Countermeasures for the Power Grid
- ExaSGD Performance Profiling
- Design of a Novel Information System for Semi-Automated Management of Cybersecurity in Industrial Control Systems
- An Accuracy-Maximization Approach for Claims Classifiers in Document Content Analytics for Cybersecurity
- Computer Science Research Needs for Parallel Discrete Event Simulation (PDES)
- Extending the Naming Game in Social Networks to Multiple Hearers per Speaker
- ZeroIn: Characterizing the Data Distributions of Commits in Software Repositories
- Using Machine Learning Towards Early Flagging of Potentially Buggy Software Commits
- DarkNet Cyber Resilience
- Characterizing the Distributions of Commits in Large Source Code Repositories
- CyBERT: Cybersecurity Claim Classification by Fine-Tuning the BERT Language Model
- Fast GPU-Based Generation of Large Graph Networks From Degree Distributions
- Design Considerations for GPU-based Mixed Integer Programming on Parallel Computing Platforms
- Mesoscopic Modeling and Rapid Simulation of Incremental Changes in Epidemic Scenarios on GPUs: Fast What–If Analyses of Localized and Dynamic Effects
- A Case Study in Simulation Methods for Power Electronic Circuits
- On Some Confluences of Computing and Security in Theory and Practice
- Trust-but-Verify in Cyber-Physical Systems
- Trust-but-Verify in Cyber-Physical Systems
- Smart Semi-Supervised Accumulation of Large Repositories for Industrial Control Systems Device Information
- R&D Needs for Digital Twins
- Scale-Free Graph Networks with Trillions of Edges: Rapid Generation using 1000 GPUs
- Next in Reversible Computing: Breaking the Memory-Computation Asymmetry
- On the Robustness of Network Community Structure Under Addition of Edges
- A Novel Vetting Approach to Cybersecurity Verification in Energy Grid Systems
- Generating Massive Scale-free Networks: Novel Parallel Algorithms using the Preferential Attachment Model
- COVID-relevant Scalable Computational Research Directions and Tools
- RL-HEMS: Reinforcement Learning-Based Home Energy Management System for HVAC Energy Optimization (OR-20-C051)
- A Digital Twin Framework for Testing, Evaluation and Deployment of Resilient Cyber-physical Systems
- RL-HEMS: Reinforcement Learning Based Home Energy Management System for HVAC Energy Optimization.
- Kensor: Coordinated Intelligence from Co-Located Sensors
- Energy Conservation Through Cloned Execution Of Simulations
- On the Effectiveness of Recurrent Neural Networks for Live Modeling of Cyber-Physical Systems
- Detecting Sensors and Inferring their Relations at Level-0 in Industrial Cyber-Physical Systems
- Volatile Memory Extraction-Based Approach for Level 0-1 CPS Forensics
- Exact-Differential Simulation: Differential Processing of Large-Scale Discrete Event Simulations
- Towards Native Execution of Deep Learning on a Leadership-Class HPC System
- Novel Parallel Algorithms for Fast Multi-GPU-Based Generation of Massive Scale-Free Networks
- Normalcy, Magic, Miracle and Error: Emergence along a Reversibility Spectrum
- An Agent-based Model of the Observed Distribution of Wealth in the United States
- Efficient reversible uniform and non-uniform random number generation in UNU.RAN
- Scalable Cloning on Large-Scale GPU Platforms with Application to Time-Stepped Simulations on Grids
- GPU-based parallel algorithm for generating massive scale-free networks using the preferential attachment model
- Concurrent conversation modeling and parallel simulation of the naming game in social networks
- Generating Billion-Edge Scale-Free Networks in Seconds: Performance Study of a Novel GPU-based Preferential Attachment Model
- Design exploration of a Symmetric Pass Gate Adiabatic Logic for energy-efficient and secure hardware
- Efficient Simulation of Nested Hollow Sphere Intersections: for Dynamically Nested Compartmental Models in Cell Biology
- Computational Speed and Matching Quality using an Upper Bound on the Normalized Mutual Information
- Computing a Non-trivial Lower Bound on the Joint Entropy between Two Images
- Performance of Point and Range Queries for In-memory Databases Using Radix Trees on GPUs
- Model-based Dynamic Control of Speculative Forays in Parallel Computation
- Energy-Efficient and Secure S-Box Circuit Using Symmetric Pass Gate Adiabatic Logic
- Model-based Dynamic Control of Speculative Forays in Parallel Computation
- On the Definability of Art
- Efficient Parallel Discrete Event Simulation on Cloud/Virtual Machine Platforms
- Design of A High-Fidelity Testing Framework for Secure Electric Grid Control
- Discrete Event Execution with One-Sided and Two-Sided GVT Algorithms on 216,000 Processor Cores
- Parallel Discrete Event Simulation
- Parallel Discrete Event Simulation using Supercomputers, Cloud/VM, and Accelerators
- Reverse Computation for Rollback-based Fault Tolerance in Large Parallel Systems
- Simulating Billion-Task Parallel Programs
- Towards Reversible Basic Linear Algebra Subprograms: A Performance Study
- Tutorial: Introduction to Reversible Computing
- Virtual Machine-Based Simulation Platform For MANET-Based Cyber Infrastructure
- Interfacing JavaScript and MPI
- Reversibly Finding the Square Root of an Integer
- Efficient Heterogeneous Execution on Large Multicore and Accelerator Platforms: Case Study Using a Block Tridiagonal Solver
- Empirical Evaluation of PDES Execution on Cloud and Virtual Machine Platforms
- Improved Parallelization of the SIESTA Magneto-hydrodynamic Equilibrium Code Using Cyclic Reduction
- Introduction to Reversible Computing
- Optimized Hypervisor Scheduler for Parallel Discrete Event Simulations on Virtual Machine Platforms
- Reversible Simulations of Elastic Collisions
- Reversible Simulations of Elastic Collisions (Extended arXiv version)
- Revisiting Cyclic Reduction and Parallel Prefix-Based Algorithms for Tri-diagonal Systems of Equations
- Discrete Event Execution and Reversibility: Challenges in the Path to Asynchrony for Massively Parallel Computing
- Discrete Event Modeling and Massively Parallel Execution of Epidemic Outbreak Phenomena
- Parallel Simulation on Supercomputers
- ReveR-SES: Reversible Software Execution Systems
- Runtime Performance And Virtual Network Control Alternatives In VM-Based High-Fidelity Network Simulations
- Scaling Optimization of the SIESTA MHD Code
- Scaling the SIESTA Magnetohydrodynamics Equilibrium Code
- Taming Wild Horses: The Need for Virtual Time-based Scheduling of VMs in Network Simulations
- Towards Highly Interactive, GPU-based Evaluation of Evacuation Transport Scenarios at State-Scale
- Efficiently Scheduling Multi-core Guest Virtual Machines on Multi-core Hosts in Network Simulation
- GVT Algorithms and Discrete Event Dynamics on 129K+ Processor Cores
- Improved Parallelization of the SIESTA Magneto-hydrodynamic Equilibrium Code Using Cyclic Reduction
- Improving Multi-Million Virtual Rank MPI Execution in MUPI
- ReveR-SES: Reversible Software Execution Systems
- Reversible Parallel Discrete Event Formulation of a TLM-based Radio Signal Propagation Model
- Towards High Performance Discrete Event Simulations of Smart Electric Grids
- µπ: A Scalable and Transparent System for Simulating MPI Programs
- An Incremental Parallelization Approach Applied to the ORNL/NRC FAVOR Code
- Bcyclic: A Parallel Block Tri-diagonal Matrix Cyclic Solver
- Compiler-based Automation Approaches to Reverse Computation
- Efficient Simulation of Agent-Based Models on Multi-GPU and Multi-Core Clusters
- High-Performance Simulations for Capturing Feedback and Fidelity in Complex Networked Systems
- On Deciding between Conservative and Optimistic Approaches on Massively Parallel Platforms
- Reversible Parallel Discrete-Event Execution of Large-scale Epidemic Outbreak Models
- Supercomputing Applications of the Other Kind: Real-time Parallel Discrete Event Simulations of Large-scale, Smart Infrastructures
- Towards Highly Interactive, GPU-based Evaluation of Evacuation Transport Scenarios at State-Scale
- A Connectionist Modeling Approach to Rapid Analysis of Emergent Social Cognition Properties in Large-Populations
- Computational Spectrum of Agent Model Simulation
- Coping at the User-Level with Resource Limitations in the Cray Message Passing Toolkit MPI at Scale: How Not to Spend Your Summer Vacation
- Cyber Security Experimentation: Gory Detail or None at All?
- GPU-based Real-Time Execution of Vehicular Mobility Models in Large-Scale Road Network Scenarios
- Introduction to Simulations on GPUs
- Perfect Reversal of Rejection Sampling Methods for First-Passage-Time and Similar Probability Distributions
- Reversible Discrete Event Formulation and Optimistic Parallel Execution of Vehicular Traffic Models
- Scalable Parallel Execution of an Event-based Radio Signal Propagation Model for Cluttered 3D Terrains
- Scalable Parallel Execution of an Event-based Radio Signal Propagation Model for Cluttered 3D Terrains
- Switching to High Gear: Opportunities for Grand-scale Real-time Parallel Simulations
- Switching to High Gear: Opportunities for Grand-scale Real-time Parallel Simulations
- Data Parallel Execution Challenges and Runtime Performance of Agent Simulations on GPUs
- Efficient Execution on GPUs of Field-based Vehicular Mobility Models
- Feasibility, Efficiency and Limits of Compiler-based Automation for Reversibility of Codes
- High Performance Computing-based Experimentation for Cyber Infrastructure and Security
- On the Reversibility of Newton-Raphson Root-Finding Method
- Parallel Vehicular Traffic Simulations using Reverse Computation-based Optimistic Execution
- A Case Study of Efficient Social Network Simulation through General Processing on Graphics Processing Units (GPGPUs)
- A Case Study of the Performance of Speculative Asynchronous Simulation on Parallel Computers
- A New Methodology for Multi-scale Simulation of Plasmas
- A New Methodology for Multi-scale Simulation of Plasmas
- An Analysis Approach to Large-Scale Vehicular Network Simulations
- Application-Level Asynchronous Speculative Execution
- Efficient Parallel Execution of Event-Driven Electromagnetic Hybrid Models
- Handling Time Management under the HLA
- Model Execution
- Parallel and Distributed Simulation: Traditional Techniques and Recent Advances
- Scaling Time Warp-based Discrete Event Execution to 10^4 Processors on a Blue Gene Supercomputer
- Two Case Studies of Reversibility in Computational Methods
- A Systems Approach to Scalable Transportation Network Modeling
- Discrete-Event Execution Alternatives on GPGPUs
- Handling Time Management under the HLA
- Integrated Analysis of Environment-Driven Operational Effects in Sensor Networks
- Network Simulation
- On Accounting for the Interplay of Kinetic and Non-Kinetic Aspects of Population Mobility Models
- On Evaluation Needs of Real-life Sensor Network Deployments
- Optimistic Simulation of Physical Systems using Reverse Computation
- Parallel and Distributed Simulation: Traditional Techniques and Recent Advances
- Parallel and Distributed Simulation: Traditional Techniques and Recent Advances
- Parallel Execution of Region-Scale Evacuation Traffic Models
- Scalable Simulation of Electromagnetic Hybrid Codes
- µsik - A Micro-kernel for Parallel/Distributed Simulation Systems
- A New Methodology for Multi-scale Simulation of Plasmas
- A New Simulation Technique for Study of Collision-less Shocks: Self Adaptive Simulations
- Computational Methods for Efficient Large-scale System Models
- Computational Tools for Efficient Large-scale Discrete-Event Models
- Distributed Simulation Systems & the High Level Architecture (HLA)
- Optimistic Parallel Discrete Event Simulations of Physical Systems using Reverse Computation
- Parallel and Distributed Systems and the High-Level Architecture
- Parallel Discrete Event Simulations of Grid-based Models ? Asynchronous Electromagnetic Hybrid Code
- Performance Prediction of Large-scale Parallel Discrete Event Models of Physical Systems
- Virtual Simulator: An Infrastructure for Design and Performance-Prediction of Massively Parallel Codes
- A Federated Approach to Distributed Network Simulation
- A New Approach to Modeling Physical Systems: Discrete Event Simulations of Grid-based Models
- Conservative Synchronization of Large-scale Network Simulations
- Distributed Simulation Systems & the High Level Architecture (HLA)
- High Fidelity Modeling of Computer Network Worms
- Achieving Interoperability and Scalability in Simulation of Networks
- Generating Perfect Reversals of Simple Linear Codes
- Large-Scale Network Simulation - How Big? How Fast?
- Power-aware State Dissemination in Mobile Distributed Virtual Environments
- Scalable RTI-based Parallel Simulation of Networks
- Techniques for Improving Accuracy and Usability in Large-scale Network Emulation
- Experiences Applying Parallel and Interoperable Network Simulation Techniques in On-line Simulations of Military Networks
- Updateable Simulations
- Using Reverse Circuit Execution for Efficient Parallel Simulation of Logic Circuits
- Web Services for Extensible Modeling and Simulation
- Distributed Network Simulations using the Dynamic Simulation Backplane
- Interactive Parallel Simulations with the JANE Framework
- Virtual Time Synchronization over Unreliable Network Transport
- An Approach to Federating Parallel Simulators
- Design of High-performance RTI software
- Parallel Simulation Backplanes for Mixed Signal Circuit Design
- Using Reverse Computation towards Efficient Parallel/Distributed Computation
- Using Reverse Computation towards Efficient Parallel/Distributed Computation
- Efficient Optimistic Parallel Simulation using Reverse Computation
- Efficient Optimistic Parallel Simulations using Reverse Computation
- PARINO: A Parallel Branch and Cut Code
- Source Code Transformations for Efficient Reversibility
- The Effect of State Saving in Optimistic Simulation on a Cache-coherent Non-uniform Memory Access (CC-NUMA) Architecture
- The High Level Architecture for Simulation
- Efficient Large-scale Process-oriented Parallel Simulations
- Parallel Simulation Techniques for Large-scale Networks
- TeD - A Language for Modeling Telecommunication Networks
- TeD Models for ATM Internetworks
- Towards Reusable Modeling and Parallel Simulation of Telecommunication Networks
- A Virtual PNNI Network Testbed
- PARINO, A Parallel Integer Optimizer
- PARINO: An Extensible Framework for Solving Mixed Integer Programs in Parallel
- Reusable Modeling and Parallel Simulation of Networks using the TeD Language
- Time Parallel Generation of Self-similar ATM Traffic
- A C++ Instance of TeD
- An Efficiency Prediction Method for ATM Multiplexer
- GTW++ -- An Object Oriented Interface in C++ to the Georgia Tech Time Warp System
- MetaTeD - A Meta Language for Modeling Telecommunication Networks
- A Performance Prediction Method for ATM Multiplexers
- Parallel Algorithms for Maximum Sub-sequence and Sub-array
- Parallel Algorithms for Maximum Sub-sequence and Sub-array
- Parallelizing Sequential Algorithms for the Generalized Assignment Problem
- A Debugging Environment for PVM
- A Distributed Algorithm for Ear Decomposition
- Integrating Aggregate and Vehicle Level Simulations
- Integrating Battlefield Simulations of Different Granularity