Publications

Book Chapters

• "Resource-Aware Optimal Scheduling of In Situ Analysis" in In Situ Visualization for Computational Science, edited by Hank Childs, Janine Bennett, Christoph Garth, Springer International Publishing, January 2022.


• "Theta and Mira at Argonne National Laboratory" in Contemporary High Performance Computing: From Petascale toward Exascale, Volume 3, edited by Jeffrey S. Vetter, CRC press, May 2019

Journals

• "A Terminology for In Situ Visualization and Analysis Systems", Hank Childs et al., International Journal of High Performance Computing Applications, August 2020.


• "Hierarchical Read-write Optimizations for Scientific Applications with Multi-variable Structured Datasets", Preeti Malakar, Venkatram Vishwanath, International Journal of Parallel Programming: Special Issue on Network and Parallel Computing, February 2017. [pdf] [ppt]


• "Data Movement Optimizations for Independent MPI I/O on the Blue Gene/Q", Preeti Malakar, Venkatram Vishwanath, Parallel Computing, January 2017. [pdf] [audio slides] [code]

Refereed Conferences / Workshops

• "Evaluating Active-learning Based Performance Prediction of Parallel Applications", Shivam Aggarwal, Preeti Malakar, 20th IEEE International Conference on e-Science, Osaka, Japan, September 2024.


• "P2RUTOR: A Programming Tutor for Parallel Programming", Deepak Hegde, Preeti Malakar and Amey Karkare, 5th Workshop on Education for High Performance Computing (EduHiPC), Held in conjunction with 30th IEEE International Conference on High Performance Computing, Data, and Analytics, Goa, India, December 2023.


• "Accelerating In Situ Analysis using Non-volatile Memory", Deepak Hegde, Preeti Malakar, Proceedings of the SC'23 Workshops of The International Conference on High Performance Computing, Network, Storage, and Analysis, Denver, CO, November 2023.


• "A Deep Learning-Based In Situ Analysis Framework for Tropical Cyclogenesis Prediction", Abir Mukherjee, Preeti Malakar, IEEE International Conference on High Performance Computing (HiPC), Bengaluru, India, December 2022.


• "IPMPI: Improved MPI Communication Logger", Tushar Agrawal, Preeti Malakar, IEEE/ACM Supercomputing Conference Workshop on Exascale MPI (ExaMPI), Dallas, November 2022.


• "Hierarchical Communication Optimization for FFT", Mohit Kumar, Preeti Malakar, IEEE/ACM Supercomputing Conference Workshop on Hierarchical Parallelism for Exascale Computing (HiPar), Dallas, November 2022.


• "Execution- and Prediction-Based Auto-Tuning of Parallel Read and Write Parameters", Megha Agarwal, Pragya Jain, Divyansh Singhvi, Preeti Malakar, 23rd IEEE International Conference on High Performance Computing and Communications (HPCC) 2021, Hainan (online), December 2021.


• "An Integrated Job Monitor, Analyzer and Predictor", Ashish Pal, Preeti Malakar, Workshop on Monitoring and Analysis for High Performance Computing Systems Plus Applications (HPCMASPA), Held in conjunction with IEEE Cluster, Portland, Oregon (online), September 2021.


• "MAP: A Visual Analytics System for Job Monitoring and Analysis", Ashish Pal, Preeti Malakar, Workshop on Monitoring and Analysis for High Performance Computing Systems Plus Applications (HPCMASPA), Held in conjunction with IEEE Cluster, Kobe, Japan (shifted online), September 2020.


• "Communication-aware Job Scheduling using SLURM", Priya Mishra, Tushar Agrawal, Preeti Malakar, 16th International Workshop on Scheduling and Resource Management for Parallel and Distributed Systems (SRMPDS), Held in conjunction with International Conference on Parallel Processing (ICPP20), Edmonton, Canada (shifted online), August 2020. [video]


• "Network and Load-aware Resource Manager for MPI Programs", Ashish Kumar, Naman Jain, Preeti Malakar, 16th International Workshop on Scheduling and Resource Management for Parallel and Distributed Systems (SRMPDS), Held in conjunction with International Conference on Parallel Processing (ICPP20), Edmonton, Canada (shifted online), August 2020. [video]


• "Adaptive and Efficient Transfer for Online Remote Visualization of Critical Weather Applications", Preeti Malakar, Vijay Natarajan, Sathish Vadhiyar, International Conference on Computational Science (ICCS 2020), Amsterdam, June 2020.


• "Experiences of Teaching Parallel Computing to Undergraduates and Post-graduates", Preeti Malakar, 2nd Workshop on Education for High Performance Computing (EduHiPC), Held in conjunction with IEEE International Conference on High Performance Computing, Data, and Analytics, Hyderabad, India, December 2019. Best Paper Award


• "Active Learning-Based Automatic Tuning and Prediction of Parallel I/O Performance", Megha Agarwal, Divyansh Singhvi, Preeti Malakar, Suren Byna, International Parallel Data Systems Workshop (PDSW 2019), Held in conjunction with ACM/IEEE Supercomputing Conference, Denver, CO, November 2019. [pdf] [ppt]


• "Benchmarking Machine Learning Methods for Performance Modeling of Scientific Applications", Preeti Malakar, Prasanna Balaprakash, Venkatram Vishwanath, Vitali Morozov, Kalyan Kumaran, Performance Modeling, Benchmarking and Simulation of High Performance Computer Systems (PMBS18), Held in conjunction with ACM/IEEE Supercomputing Conference, Dallas, TX, November 2018.


• "Topology-Aware Space-Shared Co-Analysis of Large-Scale Molecular Dynamics Simulations", Preeti Malakar, Todd Munson, Venkatram Vishwanath, Christopher Knight, Michael E. Papka, ACM/IEEE Supercomputing Conference (SC18), Dallas, TX, November 2018.


• "Scalable In situ Analysis of Molecular Dynamics Simulations", Preeti Malakar, Christopher Knight, Todd Munson, Venkatram Vishwanath and Michael E. Papka, In Situ Infrastructures for Enabling Extreme-scale Analysis and Visualization (ISAV 2017), Held in conjunction with ACM/IEEE Supercomputing Conference, Denver, CO, November 2017. [pdf]


• "A Visual Analytics System for Optimizing Communications in Massively Parallel Applications", Takanori Fujiwara, Preeti Malakar, Khairi Reda, Venkatram Vishwanath, Michael E. Papka, Kwan-Liu Ma, IEEE Conference on Visual Analytics Science and Technology (VAST 2017), Phoenix, AZ, October 2017. [video] [ppt] [code]


• "Topology-Aware Data Aggregation for Intensive I/O on Large-Scale Supercomputers", Francois Tessier, Venkatram Vishwanath, Preeti Malakar, Emmanuel Jeannot, and Florin Isaila, First International Workshop on Communication Optimizations in High-Performance Computing (COM-HPC 2016), Held in conjunction with ACM/IEEE Supercomputing Conference, Salt Lake City, UT, November 2016. [pdf]


• "Optimal Execution of Co-analysis for Large-scale Molecular Dynamics Simulations", Preeti Malakar, Venkatram Vishwanath, Christopher Knight, Todd Munson, Michael E. Papka, ACM/IEEE Supercomputing Conference (SC16), Salt Lake City, UT, November 2016. [pdf] [ppt] Artifacts available


• "Coupling LAMMPS and the vl3 Framework for Co-Visualization of Atomistic Simulations", Silvio Rizzi, Mark Hereld, Joseph Insley, Preeti Malakar, Michael E. Papka, Thomas Uram, Venkatram Vishwanath, High Performance Data Analysis and Visualization (HPDAV 2016), Held in conjunction with IEEE International Parallel and Distributed Processing Symposium, Chicago, IL, May 2016. [pdf]


• "Improving Communication Throughput by Multipath Load Balancing on Blue Gene/Q", Huy Bui, Preeti Malakar, Venkatram Vishwanath, Todd Munson, Eun-Sung Jung, Andrew E Johnson, Michael E. Papka, Jason Leigh, IEEE International Conference on High Performance Computing, (HiPC 2015), Bengaluru, India, December 2015. [pdf]


• "Optimal Scheduling of In-Situ Analysis for Large-Scale Scientific Simulations", Preeti Malakar, Venkatram Vishwanath, Todd Munson, Christopher Knight, Mark Hereld, Sven Leyffer, Michael E. Papka, ACM/IEEE Supercomputing Conference (SC15), Austin, TX, November 2015. [pdf] [ppt]


• "Route-aware Independent MPI I/O on the Blue Gene/Q", Preeti Malakar, Venkatram Vishwanath, 4th International Workshop on Data-Intensive Scalable Computing Systems (DISCS 2015), Held in conjunction with ACM/IEEE Supercomputing Conference, Austin, TX, November 2015. [pdf] [ppt]


• "Multipath Load Balancing for M x N Communication Patterns on the Blue Gene/Q Supercomputer Interconnection Network", Huy Bui, Robert Jacob, Preeti Malakar, Venkatram Vishwanath, Andrew Johnson, Michael E. Papka, Jason Leigh, 1st IEEE International Workshop on High-Performance Interconnection Networks Towards the Exascale and Big-Data Era (HiPINEB 2015), Held in conjunction with IEEE Cluster 2015, Chicago, September 2015. [pdf]


• "A Diffusion-Based Processor Reallocation Strategy for Tracking Multiple Dynamically Varying Weather Phenomena", Preeti Malakar, Vijay Natarajan, Sathish S. Vadhiyar, Ravi S. Nanjundiah, 42nd International Conference on Parallel Processing (ICPP 2013), Lyon, France, October 2013. [pdf]


• "A Divide and Conquer Strategy for Scaling Weather Simulations with Multiple Regions of Interest", Preeti Malakar, Thomas George, Sameer Kumar, Rashmi Mittal, Vijay Natarajan, Yogish Sabharwal, Vaibhav Saxena, Sathish Vadhiyar, IEEE/ACM Supercomputing Conference (SC12), Salt Lake City, Utah, November 2012. Best Student Paper Finalist [pdf]


• "Performance Evaluation and Optimization of Nested High Resolution Weather Simulations", Preeti Malakar, Vaibhav Saxena, Thomas George, Rashmi Mittal, Sameer Kumar, Abdul Naim, Saiful A. Husain, International European Conference on Parallel and Distributed Computing (Euro-Par 2012), Greece, August 2012. [pdf]


• "InSt: An Integrated Steering Framework for Critical Weather Applications", Preeti Malakar, Vijay Natarajan, Sathish Vadhiyar, International Conference on Computational Science (ICCS 2011), Singapore, June 2011. [pdf]


• "An Adaptive Framework for Simulation and Online Remote Visualization of Critical Climate Applications in Resource-constrained Environments", Preeti Malakar, Vijay Natarajan, Sathish Vadhiyar, ACM/IEEE Supercomputing Conference (SC10), New Orleans LA, November 2010. [pdf]

Refereed Short Papers / Posters

• "Online Performance Visualization of Parallel Applications", Sagnik Dey, Preeti Malakar, Poster track, 30th IEEE International Conference on High Performance Computing, Data, and Analytics, December 2023.


• "Fine-grained Communication Profiling of Parallel Applications", Vishal Deka, Preeti Malakar, Student Research Symposium, 30th IEEE International Conference on High Performance Computing, Data, and Analytics, December 2023.


• "Visual Analysis of Congestion and Interference in Supercomputers", Akshay Sharma, Depanshu Sahu, Preeti Malakar, Student Research Symposium, 30th IEEE International Conference on High Performance Computing, Data, and Analytics, December 2023. Best Poster Paper Award


• "Importance-driven in situ analysis and visualization", Muzafar Ahmad Wani, Preeti Malakar, Early Career and Students' Showcase, held in conjunction with ACM/IEEE CCGrid, May 2023.


• "Parallel Program Scaling Analysis using Hardware Counters", Shobhit Jagga, Preeti Malakar, ACM HPDC, June 2021. (virtual)


• "Parallel DeBugger (PDB) For Debugging MPI Programs", Samvid Mistry, Preeti Malakar, ISC HPC, June 2021. (virtual)


• "A Deep Predictive Model for Tropical Cyclogenesis", Abir Mukherjee, Preeti Malakar, IEEE HPCS, March 2021. (virtual) Outstanding Poster Paper Award


• "Network and Load-aware Node Allocator for MPI Programs", Ashish Kumar, Naman Jain, Preeti Malakar, Student Research Symposium, HiPC 2019, Hyderabad, December 2019.


• "A Comprehensive Job Monitoring and Analysis Framework", Ashish Pal, Preeti Malakar, Student Research Symposium, HiPC 2019, Hyderabad, December 2019.


• "Empirical Study of I/O Performance of Lustre-based Storage System on a Cray XC40 Supercomputer", Francois Tessier, Paul Coffman, Preeti Malakar, Richard Zamora, Venkatram Vishwanath, George Brown, Lustre User Group (LUG) Conference, Chicago, IL, April 2018.


• "Modeling Analysis Computations and End-to-end Simulation-analysis Workflows", Preeti Malakar, Gagan Agrawal, Tekin Bicer, Venkatram Vishwanath, Todd Munson, Rajkumar Kettimuthu, Ian Foster, Workshop on Modeling & Simulation of Systems and Applications (ModSim 2016), Seattle, August 2016.


• "Topology-aware data aggregation for parallel I/O on BG/Q supercomputing system", Francois Tessier, Preeti Malakar, Venkatram Vishwanath, Emmanuel Jeannot, 5th Greater Chicago Area Systems Research Workshop (GCASR), Chicago, April 2016.


• "Internal variability and boundary read performance of a high resolution regional climate model (WRF)", Jiali Wang, Preeti Malakar, Rao Kotamarthi, Venkat Vishwanath, 16th Annual WRF Users' Workshop (WS2015), Boulder, CO, July 2015.


• "Integrated Parallelization of Computation and Visualization for Large-scale Weather Applications", Preeti Malakar, Dissertation Research Showcase, International Conference for High Performance Computing, Networking, Storage and Analysis (SC12), Salt Lake City, UT, November 2012.


• "Integrated Parallelization of Computations and Visualization for Large-scale Applications", Preeti Malakar, Vijay Natarajan, Sathish Vadhiyar, IEEE International Parallel and Distributed Processing Symposium (IPDPS 2012) PhD Forum, Shanghai, May 2012.


• "An Integrated Simulation and Visualization Framework for Tracking Cyclone Aila", Preeti Malakar, Vijay Natarajan, Sathish S. Vadhiyar, Ravi S. Nanjundiah, Student Research Symposium, HiPC 2009, Kochi, India, December 2009. TCPP Best Paper Award [pdf]


• "An Integrated Simulation and Visualization Framework for Tracking Cyclone Aila", Preeti Malakar, Vijay Natarajan, Sathish S. Vadhiyar, Ravi S. Nanjundiah, Workshop on HPC in India held in conjunction with SC09, Portland OR, November 2009. [poster]