Personal profile
Research interests
His research interests focus on accurate calculations on large systems and heavy elements using advanced numerical and computational techniques.
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Collaborations and top research areas from the last five years
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Category I: AMA27: Sustainable Cyber-Infrastructure for Expanding Participation
Harrison, R. (PI), Calder, A. (CoPI), Jones, M. (CoI) & Simakov, N. (CoI)
08/1/25 → 01/31/27
Project: Research
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Numerically-Exact Relativistic Many-Body Electronic Structure of Heavy Elements
Harrison, R. (PI)
09/1/21 → 08/31/26
Project: Research
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S212: Impl: The Molecular Sciences Software Institute
Harrison, R. (PI)
08/1/21 → 07/31/26
Project: Research
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Category II: Ookami: A High-Productivity Path to Frontiers of Scientific Discovery Enabled by Exascale Systems Technologies
Harrison, R. (PI), Calder, A. (CoPI), Chapman, B. (CoPI) & Jones, M. (CoI)
10/1/19 → 09/30/26
Project: Research
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Constraints and Mutexflows for Scalable Block-Sparse Matrix Multiplication Using Template Task Graphs
Schuchart, J., Bouteiller, A., Herault, T., Valeev, E., Bosilca, G. & Harrison, R., Feb 2026, In: SN Computer Science. 7, 2, 133.Research output: Contribution to journal › Article › peer-review
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Scalable Block-Sparse Matrix Multiplication Using Template Task Graphs
Schuchart, J., Bouteiller, A., Herault, T., Valeev, E., Bosilca, G. & Harrison, R. J., 2026, Asynchronous Many-Task Systems and Applications - 3rd International Workshop, WAMTA 2025, Proceedings. Diehl, P., Cao, Q., Herault, T. & Bosilca, G. (eds.). Springer Science and Business Media Deutschland GmbH, p. 120-132 13 p. (Lecture Notes in Computer Science; vol. 15690 LNCS).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
Open Access -
What Time Taught Us: Monitoring a Computing Technology Testbed Across Multiple Years
Siegmann, E., Carlson, D., Simakov, N. A., Curtis, A., Calder, A. & Harrison, R., 2026, High Performance Computing - ISC High Performance 2025 International Workshops, Revised Selected Papers. Neuwirth, S., Paul, A. K., Weinzierl, T. & Carson, E. C. (eds.). Springer Science and Business Media Deutschland GmbH, p. 52-63 12 p. (Lecture Notes in Computer Science; vol. 16091 LNCS).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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Concurrent Collections: An Overview
Knobe, K., Budimlić, Z., Harrison, R. J., Javanmard, M. M. & Pouchet, L. N., 2025, Lecture Notes in Computer Science. Springer Science and Business Media Deutschland GmbH, p. 50-54 5 p. (Lecture Notes in Computer Science; vol. LNCS 14564).Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review
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The AmpereOne A192-32X in Perspective: Benchmarking a New Standard
Carlson, D., Simakov, N., Hadlich, R. R., Curtis, A., Martin, J., Verma, G., Chheda, S., Coskun, F., Gonzalez, R., Wood, D., Zhang, F., Harrison, R. & Siegmann, E., Apr 19 2025, Proceedings of International Conference on High Performance Computing in Asia-Pacific Region Workshops, HPC Asia 2025 Workshops. Association for Computing Machinery, Inc, p. 23-35 13 p. (Proceedings of International Conference on High Performance Computing in Asia-Pacific Region Workshops, HPC Asia 2025 Workshops).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
Open Access1 Scopus citations