Publications
PAQR: Pivoting Avoiding QR factorization,”
ICL Technical Report, no. ICL-UT-22-06, June 2022.
(364.85 KB)
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Performance Analysis of Parallel FFT on Large Multi-GPU Systems,”
2022 IEEE International Parallel and Distributed Processing Symposium Workshops (IPDPSW), Lyon, France, IEEE, August 2022.
“Porting Sparse Linear Algebra to Intel GPUs,”
Euro-Par 2021: Parallel Processing Workshops, vol. 13098, Lisbon, Portugal, Springer International Publishing, pp. 57 - 68, June 2022.
“Prediction of Optimal Solvers for Sparse Linear Systems Using Deep Learning,”
2022 SIAM Conference on Parallel Processing for Scientific Computing (PP), Philadelphia, PA, Society for Industrial and Applied Mathematics, pp. 14 - 24.
“Providing performance portable numerics for Intel GPUs,”
Concurrency and Computation: Practice and Experience, vol. 17, October 2022.
(3.16 MB)
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Pushing the Boundaries of Small Tasks: Scalable Low-Overhead Data-Flow Programming in TTG,”
2022 IEEE International Conference on Cluster Computing (CLUSTER), Heidelberg, Germany, IEEE, September 2022.
“A Python Library for Matrix Algebra on GPU and Multicore Architectures,”
2022 IEEE 19th International Conference on Mobile Ad Hoc and Smart Systems (MASS), Denver, CO, IEEE, December 2022.
(414.36 KB)
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P1673R3: A Free Function Linear algebra Interface Based on the BLAS,”
ISO JTC1 SC22 WG22, no. P1673R3: ISO, April 2021.
(858.89 KB)
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Parallel Processing and Applied Mathematics: 13th International Conference, PPAM 2019, Bialystok, Poland, September 8–11, 2019, Revised Selected Papers, Part I,”
Lecture Notes in Computer Science, 1, no. 12043: Springer International Publishing, pp. 581, March 2020.
“Parallel Processing and Applied Mathematics: 13th International Conference, PPAM 2019, Bialystok, Poland, September 8–11, 2019, Revised Selected Papers, Part II,”
Lecture Notes in Computer Science, no. 12044: Springer International Publishing, pp. 503, March 2020.
“Performance Application Programming Interface for Extreme-Scale Environments (PAPI-EX) (Poster)
, Seattle, WA, 2020 NSF Cyberinfrastructure for Sustained Scientific Innovation (CSSI) Principal Investigator Meeting, 20 2020.
(2.53 MB)

Performance Tuning SLATE,”
SLATE Working Notes, no. 14, ICL-UT-20-01: Innovative Computing Laboratory, University of Tennessee, January 2020.
(1.29 MB)
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The PLASMA Library on CORAL Systems and Beyond (Poster)
, Houston, TX, 2020 Exascale Computing Project Annual Meeting, February 2020.
(550.86 KB)

Predicting MPI Collective Communication Performance Using Machine Learning,”
2020 IEEE International Conference on Cluster Computing (CLUSTER), Kobe, Japan, IEEE, September 2020.
(619.68 KB)
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Project-Based Research and Training in High Performance Data Sciences, Data Analytics, and Machine Learning,”
The Journal of Computational Science Education, vol. 11, issue 1, pp. 36-44, January 2020.
(4.4 MB)
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Prospectus for the Next LAPACK and ScaLAPACK Libraries: Basic ALgebra LIbraries for Sustainable Technology with Interdisciplinary Collaboration (BALLISTIC),”
LAPACK Working Notes, no. 297, ICL-UT-20-07: University of Tennessee.
(1.41 MB)
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PULSE: PAPI Unifying Layer for Software-Defined Events (Poster)
, Seattle, WA, 2020 NSF Cyberinfrastructure for Sustained Scientific Innovation (CSSI) Principal Investigator Meeting, February 2020.
(1.86 MB)

PAPI Software-Defined Events for in-Depth Performance Analysis,”
The International Journal of High Performance Computing Applications, vol. 33, issue 6, pp. 1113-1127, November 2019.
(442.39 KB)
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PAPI's new Software-Defined Events for in-depth Performance Analysis
, Dresden, Germany, 13th Parallel Tools Workshop, September 2019.
(3.14 MB)

Parallel Selection on GPUs,”
Parallel Computing, vol. 91, March 2020, 2019.
(1.43 MB)
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ParILUT – A Parallel Threshold ILU for GPUs,”
IEEE International Parallel and Distributed Processing Symposium (IPDPS), Rio de Janeiro, Brazil, IEEE, May 2019.
(505.95 KB)
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Performance Analysis of Tile Low-Rank Cholesky Factorization Using PaRSEC Instrumentation Tools,”
Workshop on Programming and Performance Visualization Tools (ProTools 19) at SC19, Denver, CO, ACM, November 2019.
(429.55 KB)
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Performance of Asynchronous Optimized Schwarz with One-sided Communication,”
Parallel Computing, vol. 86, pp. 66-81, August 2019.
(3.09 MB)
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PLASMA: Parallel Linear Algebra Software for Multicore Using OpenMP,”
ACM Transactions on Mathematical Software, vol. 45, issue 2, June 2019.
(7.5 MB)
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Progressive Optimization of Batched LU Factorization on GPUs,”
IEEE High Performance Extreme Computing Conference (HPEC’19), Waltham, MA, IEEE, September 2019.
(299.38 KB)
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PAPI: Counting outside the Box
, Barcelona, Spain, 8th JLESC Meeting, April 2018.
PAPI's New Software-Defined Events for In-Depth Performance Analysis
, Lyon, France, CCDSC 2018: Workshop on Clusters, Clouds, and Data for Scientific Computing, September 2018.
Parallel BLAS Performance Report,”
SLATE Working Notes, no. 05, ICL-UT-18-01: University of Tennessee, April 2018.
(4.39 MB)
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Parallel Norms Performance Report,”
SLATE Working Notes, no. 06, ICL-UT-18-06: Innovative Computing Laboratory, University of Tennessee, June 2018.
(1.13 MB)
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ParILUT - A New Parallel Threshold ILU,”
SIAM Journal on Scientific Computing, vol. 40, issue 4: SIAM, pp. C503–C519, July 2018.
(19.26 MB)
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A Performance Model to Execute Workflows on High-Bandwidth Memory Architectures,”
The 47th International Conference on Parallel Processing (ICPP 2018), Eugene, OR, IEEE Computer Society Press, August 2018.
(868.44 KB)
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PMIx: Process Management for Exascale Environments,”
Parallel Computing, vol. 79, pp. 9–29, January 2018.
“Production Implementations of Pipelined & Communication-Avoiding Iterative Linear Solvers
, Tokyo, Japan, SIAM Conference on Parallel Processing for Scientific Computing, March 2018.
(2.34 MB)

Performance Analysis and Debugging Tools at Scale,”
Exascale Scientific Applications: Scalability and Performance Portability: Chapman & Hall / CRC Press, pp. 17-50, November 2017.
“PLASMA 17 Performance Report,”
Innovative Computing Laboratory Technical Report, no. ICL-UT-17-11: University of Tennessee, June 2017.
(7.57 MB)
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PLASMA 17.1 Functionality Report,”
Innovative Computing Laboratory Technical Report, no. ICL-UT-17-10: University of Tennessee, June 2017.
(1.8 MB)
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PMIx: Process Management for Exascale Environments,”
Proceedings of the 24th European MPI Users' Group Meeting, New York, NY, USA, ACM, pp. 14:1–14:10, 2017.
“POMPEI: Programming with OpenMP4 for Exascale Investigations,”
Innovative Computing Laboratory Technical Report, no. ICL-UT-17-09: University of Tennessee, December 2017.
(1.1 MB)
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Power-aware Computing: Measurement, Control, and Performance Analysis for Intel Xeon Phi,”
2017 IEEE High Performance Extreme Computing Conference (HPEC'17), Best Paper Finalist, Waltham, MA, IEEE, September 2017.
(908.84 KB)
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Power-Aware HPC on Intel Xeon Phi KNL Processors
, Frankfurt, Germany, ISC High Performance (ISC17), Intel Booth Presentation, June 2017.
(5.87 MB)

Preconditioned Krylov Solvers on GPUs,”
Parallel Computing, June 2017.
(1.19 MB)
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Performance Analysis and Acceleration of Explicit Integration for Large Kinetic Networks using Batched GPU Computations,”
2016 IEEE High Performance Extreme Computing Conference (HPEC ‘16), Waltham, MA, IEEE, September 2016.
(480.29 KB)
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Performance Analysis and Modeling of Task-Based Runtimes,”
Department of Electrical Engineering and Computer Science, vol. PhD, Knoxville, University of Tennessee, May 2016.
(5.14 MB)
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On the performance and energy efficiency of sparse linear algebra on GPUs,”
International Journal of High Performance Computing Applications, October 2016.
(1.19 MB)
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Performance, Design, and Autotuning of Batched GEMM for GPUs,”
University of Tennessee Computer Science Technical Report, no. UT-EECS-16-739: University of Tennessee, February 2016.
(1.27 MB)
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Performance, Design, and Autotuning of Batched GEMM for GPUs,”
High Performance Computing: 31st International Conference, ISC High Performance 2016, Frankfurt, Germany, June 19-23, 2016, Proceedings, no. 9697: Springer International Publishing, pp. 21–38, 2016.
(1.98 MB)
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Performance, Design, and Autotuning of Batched GEMM for GPUs,”
The International Supercomputing Conference (ISC High Performance 2016), Frankfurt, Germany, June 2016.
(1.27 MB)
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Performance optimization of Sparse Matrix-Vector Multiplication for multi-component PDE-based applications using GPUs,”
Concurrency and Computation: Practice and Experience, vol. 28, issue 12, pp. 3447 - 3465, May 2016.
(3.21 MB)
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Performance Tuning and Optimization Techniques of Fixed and Variable Size Batched Cholesky Factorization on GPUs,”
International Conference on Computational Science (ICCS'16), San Diego, CA, June 2016.
(626.21 KB)
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Porting the PLASMA Numerical Library to the OpenMP Standard,”
International Journal of Parallel Programming, June 2016.
(1.66 MB)
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