Assistant Professor Amanda Bienz

Scalable Solvers Lab Current PhD Students

Contact Research Topics
Gerald Collom Locality-aware aggregation, partitioned communication, neighbor collectives
Shannon Kinkead SST, collective operations, dragonfly networks
Mike Adams Heterogeneous communciation, GPU-Aware, collectives, and neighbor collectives
Jackson Wesley Benchmarking and optimizing communication on Many-core computers

Group Alumni

Contact Group Projects
Andrew Geyko, BS Locality-Aware Topology Discovery
Amun Kharel, BS Locality-Aware Bruck Allgather
Shreeman Gautam, BS Locality-Aware Bruck Allgather

Scalable Solvers Lab Publications

Year Citation Links
2024 A More Scalable Sparse Dynamic Data Exchange, Andrew Geyko, Gerald Collom, Derek Schafer, Patrick Bridges, and Amanda Bienz. 31st IEEE International Conference on High Performance Computing, Data, and Analytics (HiPC)
2024 Compressed Cannon’s Algorithm, Louis Jencka and Amanda Bienz. 28th Annual IEEE High Performance Extreme Computing Virtual Conference
2024 Persistent and Partitioned MPI for Stencil Communication, Gerald Collom, Jason Burmark, Olga Pearce, and Amanda Bienz. 28th Annual IEEE High Performance Extreme Computing Virtual Conference
2024 Optimizing Neighbor Collectives with Topology Objects, Gerald Collom, Derek Schafer, Amanda Bienz, Patrick Bridges, Galen Shipman. 2024 IEEE International Conference on Cluster Computing (CLUSTER)
2023 Characterizing the performance of node-aware strategies for irregular point-to-point communication on heterogeneous architectures, S. Lockhart, A. Bienz, W. Gropp, and L. Olson. Parallel Computing, Vol. 116, 2023
2023 Performance analysis and optimal node-aware communication for enlarged conjugate gradient methods, S. Lockhart, A. Bienz, W. Gropp, and L. Olson. ACM Transactions on Parallel Computing 10 (1), 1-25
2023 Optimizing Irregular Communication with Neighborhood Collectives and Locality-Aware Parallelism, Gerald Collom, Rui Peng Li, Amanda Bienz. SC-W ’23: Proceedings of the SC ’23 Workshops of The International Conference on High Performance Computing, Network, Storage, and Analysis
2023 MPI Advance: Open-Source Message Passing Optimizations, Amanda Bienz, Derek Schafer, Anthony Skjellum. EuroMPI 2023
2023 Evaluating the Viability of LogGP for Modeling MPI Performance with Non-contiguous Datatypes on Modern Architectures, Nicholas H Bacon, Patrick Bridges, Scott Levy, Kurt Ferreira, Amanda Bienz. Proceedings of the 30th European MPI Users’ Group Meeting
2023 Invited Paper: Benchmarking and Optimizing Data Movement on Emerging Heterogeneous Architectures, A. Bienz. 2023 IEEE International Parallel and Distributed Processing Symposium Workshops (IPDPSW)
2022 Tausch: A halo exchange library for large heterogeneous systems using MPI, OpenCL and CUDA, L. Spies, L. N. Olson, A. Reisner, A. Bienz, and D. Moulton. Parallel Computing, Vol. 114, 2022
2022 A Locality-Aware Allgather, A. Bienz, S. Gautam, and A. Kharel Eu- roMPI/USA’22: 29th European MPI Users’ Group Meeting, Chattanooga, TN, USA, September 2022
2021 Partitioned Collective Communication, D. J Holmes, A. Skjellum, J. Jaeger, R. E. Grant, P. V. Bangalore, M. GF Dosanjh, A. Bienz, D. Schafer
2021 Modeling Data Movement Performance on Heterogeneous Architectures, A. Bienz, L. N. Olson, and W. D. Gropp, and S. Lockhart. 2021 IEEE High Performance Extreme Computing Conference (HPEC), 2021, pp. 1-7
2020 Reducing Communication in Algebraic Multigrid with Multi-step Node-Aware Communication, A. Bienz, L. N. Olson, and W. D. Gropp. The International Journal of High Performance Computing Applications, 34(5), pp. 547–561.
2019 Node-Aware Sparse Matrix Vector Multiplication, A. Bienz, L. N. Olson, and W. D. Gropp. Journal of Parallel and Distributed Computing, vol. 130, pg 166-178.
2019 Node-Aware Improvements to Allreduce, A. Bienz, L. N. Olson, and W. D. Gropp. Proceedings of 2019 IEEE/ACM Workshop on Exascale MPI (ExaMPI), Denver, CO, November 17, 2019
2018 Improving Performance Models for Irregular Point-to-Point Communication, A. Bienz, L. N. Olson, and W. D. Gropp. Proceedings of the 25th European MPI Users’ Group Meeting, Barcelona, Spain, September 23-26, 2018.
2016 Reducing Parallel Communication in Algebraic Multigrid through Sparsification, A. Bienz, R. Falgout, W. D. Gropp, L. N. Olson, and J. B. Schroder. Siam Journal on Scientific Computing, vol. 38, no. 5, pg. S332-S357
2013 Magic Polygrams, A. Bienz, K. A. Yokley, and C. Arangala. Involve: A Journal of Mathematics, vol. 6, no. 2, pg. 169-189.
2011 A Generalized Parallel Genetic Algorithm in Erlang, A. Bienz, K. Fokle, Z. Keller, E. Zulkoski, and S. Thede. MCURCSM, Granville, OH, September 2011.

Scalable Solvers Lab Posters and Presentations

Year Citation Links
2024 Persistent and Partitioned MPI for Stencil Communication, Gerald Collom and Amanda Bienz. ACM Student Research Competition at SC24