Richard Mills

  • Program Years: 2001-2004
  • Academic Institution: College of William and Mary
  • Field of Study: Computer Science
  • Academic Advisor: Andreas Stathopoulos
  • Practicum(s):
    Los Alamos National Laboratory (2003)
  • Degree(s):
    Ph.D. Computer Science, College of William & Mary, 2004
    M.S. Computer Science, College of William & Mary, 2001
    B.A. College Scholars Program (emphasis in geology and geophysics), University of Tennessee, 1999

Current Status

  • Status: Principal Computational Engineer
  • Research Area: Scientific Computing
  • Personal URL: http://www.climatemodeling.org/~rmills/
  • Contact Information: rtmills@anl.gov
  • Publications

    S. Sreepathi, J. Kumar, R. T. Mills, Forrest M. Hoffman, V. Sripathi, W. W. Hargrove, 2017. Parallel multivariate spatio-temporal clustering of large ecological datasets on hybrid supercomputers. To appear in the Proceedings of IEEE Cluster 2017.

    M. F. Adams, E. Hirvijoki, M. G. Knepley, J. Brown, T. Isaac, R. T. Mills, 2017. Landau collision integral solver with adaptive mesh refinement on emerging architectures. To appear in the SIAM Journal on Scientific Computing (SISC).

    Jitendra Kumar, Nathan Collier, Gautam Bisht, Richard T. Mills, Peter E. Thornton, Colleen M. Iversen, Vladimir Romanovsky, 2016. "Modeling the spatio-temporal variability in subsurface thermal regimes across a low-relief polygonal tundra landscape". The Cryosphere, 10, 2241-2274, doi:10.5194/tc-10-2241-2016.

    G. Tang, F. Yuan, G. Bisht, G. E. Hammond, P. C. Lichtner, J. Kumar, R. T. Mills, X. Xu, B. Andre, F. M. Hoffman, S. L. Painter, P. E. Thornton, 2016. "Addressing numerical challenges in introducing a reactive transport code into a land surface model: a biogeochemical modeling proof-of-concept with CLM-PFLOTRAN 1.0". Geoscientific Model Development, 9, 927-946. doi:10.5194/gmd-9-927-2016.

    R. Costanza, K. Chichakly, V. Dale, S. Farber, D. Finnigan, K. Grigg, S. Heckbert, I. Kubiszewski, H. Lee, S. Liu, P. Magnuszewski, S. Maynard, N. McDonald, R. Mills, S. Ogilvy, P.L. Pert, J. Renz, L. Wainger, M. Young, C.R. Ziegler, 2014. "Simulation games that integrate research, entertainment, and learning around ecosystem services". Ecosystem Services, v. 10, pp. 195-201. DOI: 10.1016/j.ecoser.2014.10.001.

    Glenn E. Hammond, Peter C. Lichtner, and Richard Tran Mills, 2014. "Evaluating the Performance of Parallel Subsurface Simulators: An Illustrative Example with PFLOTRAN". Water Resources Research, v.50 n.1, pp. 208-228. DOI: 10.1002/2012WR013483.

    Lois Curfman McInnes, Barry Smith, Hong Zhang, and Richard Tran Mills, 2014. "Hierarchical Krylov and Nested Krylov Methods for Extreme-Scale Computing". Parallel Computing, v.40 n.1, pp. 17-31, DOI: 10.1016/j.parco.2013.10.001. Also available as Technical Report ANL/MCS-P2097-0612.

    Sarat Sreepathi, Vamsi Sripathi, Richard Tran Mills, Glenn E. Hammond, G. Kumar Mahinthakumar, 2013. "SCORPIO: A Scalable Two-Phase Parallel I/O Library with Application to a Large Scale Subsurface Simulator". Proceedings of the 20th IEEE International Conference on High-Performance Computing (HiPC 2013).

    Richard Tran Mills, Jitendra Kumar, Forrest M. Hoffman, William W. Hargrove, Joseph P. Spruce, Steven P. Norman, 2013. "Identification and Visualization of Dominant Patterns and Anomalies in Remotely Sensed Vegetation Phenology Using a Parallel Tool for Principal Components Analysis". Procedia Computer Science, v. 18, pp. 2396-2405, 2013, DOI: 10.1016/j.procs.2013.05.411 (Proceedings of the 2013 International Conference on Computational Science.)

    Forrest M. Hoffman, Jitendra Kumar, Richard Tran Mills, and William W. Hargrove, 2013. "Representativeness-Based Sampling Network Design for the Arctic". Landscape Ecology, 28(8):1567-1586. DOI: 10.1007/s10980-013-9902-0. Recipient of 2014 Outstanding Paper in Landscape Ecology award from the U.S. Regional Association of the International Association for Landscape Ecology.

    Chu-Lin Cheng, Edmund Perfect, and Richard Tran Mills, 2013. "Forward Prediction of Height-Averaged Capillary Pressure-Saturation Parameters Using the BC_vG Upscaler". Vadose Zone Journal, DOI: 10.2136/vzj2012.0174

    Richard Tran Mills, Forrest M. Hoffman, Jitendra Kumar, and William W. Hargrove, 2011. "Cluster Analysis-based Approaches for Geospatiotemporal Data Mining of Massive Data Sets for Identification of Forest Threats". In Mitsuhisa Sato, Satoshi Matsuoka, Peter M. Sloot, G. Dick van Albada, and Jack Dongarra, editors, Proceedings of the International Conference on Computational Science (ICCS 2011), volume 4 of Procedia Comput. Sci., pages 1612–1621, Elsevier, Amsterdam. ISSN 1877-0509. DOI:10.1016/j.procs.2011.04.174

    Forrest M. Hoffman, J. Walter Larson, Richard Tran Mills, Bjørn-Gustaf J. Brooks, Auroop R. Ganguly, William W. Hargrove, Jian Huang, Jitendra Kumar, and Ranga R. Vatsavai, 2011. "Data Mining in Earth System Science (DMESS 2011)". In Mitsuhisa Sato, Satoshi Matsuoka, Peter M. Sloot, G. Dick van Albada, and Jack Dongarra, editors, Proceedings of the International Conference on Computational Science (ICCS 2011), volume 4 of Procedia Comput. Sci., pages 1450–1455, Elsevier, Amsterdam. ISSN 1877-0509. DOI:10.1016/j.procs.2011.04.157

    Jitendra Kumar, Richard Tran Mills, Forrest M. Hoffman, and William W. Hargrove, 2011. "Parallel k-Means Clustering for Quantitative Ecoregion Delineation Using Large Data Sets". In Mitsuhisa Sato, Satoshi Matsuoka, Peter M. Sloot, G. Dick van Albada, and Jack Dongarra, editors, Proceedings of the International Conference on Computational Science (ICCS 2011), volume 4 of Procedia Comput. Sci., pages 1602–1611, Elsevier, Amsterdam. ISSN 1877-0509. DOI:10.1016/j.procs.2011.04.173.

    Forrest M. Hoffman, Richard T. Mills, Jitendra Kumar, Srinivasa S. Vulli, and William W. Hargrove, 2010. "Geospatiotemporal Data Mining in an Early Warning System for Forest Threats in the United States". Proceedings of the 2010 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2010), July 25, 2010, Honolulu, Hawaii, USA. Invited paper.

    Richard T. Mills, Vamsi Sripathi, G. (Kumar) Mahinthakumar, Glenn E. Hammond, Peter C. Lichtner, Barry F. Smith, 2010. "Engineering PFLOTRAN for Scalable Performance on Cray XT and IBM BlueGene Architectures". Proceedings of SciDAC 2010, July 11-15, 2010, Chattanooga, TN, USA. Invited paper.

    Chuan Lu, Peter C. Lichtner, Glenn E. Hammond, and Richard T. Mills, 2010. "Evaluating variable switching and flash methods in modeling carbon sequestration in deep geologic formations using PFLOTRAN". Proceedings of SciDAC 2010, July 11-15, 2010, Chattanooga, TN, USA. Invited paper.

    R. T. Mills, G. E. Hammond, P. C. Lichtner, V. Sripathi, G. Mahinthakumar, and B. F. Smith, 2009. "Modeling subsurface reactive flows using leadership-class computing". Journal of Physics: Conference Series, v. 180 (Proceedings of SciDAC 2009), p. 012062. DOI: 10.1088/1742-6596/180/1/012062. Invited paper.

    G.E. Hammond, P.C. Lichtner, R.T. Mills, and C. Lu, 2008. "Towards petascale computing in geosciences: Application to the Hanford 300 Area". Journal of Physics: Conference Series, v. 125 (Proceedings of SciDAC 2008), p. 012051. DOI: 10.1088/1742-6596/125/1/012051. Invited paper.

    Forrest M. Hoffman, William W. Hargrove, Richard T. Mills, Salil Mahajan, David J. Erickson, and Robert J. Oglesby, 2008. "Multivariate Spatio-Temporal Clustering (MSTC) as a Data Mining Tool for Environmental Applications". Proceedings of the iEMSs Fourth Biennial Meeting: International Congress on Environmental Modelling and Software (iEMSs 2008), ISBN 978-84-7653-074-0, International Environmental Modelling and Software Society, Barcelona, Catalonia, Spain, July 2008.

    D. J. Erickson III, R. T. Mills, J. Gregg, T. J. Blasing, F. M. Hoffman, R. J. Andres, M. Devries, Z. Zhu, S. R. Kawa, 2008. "An estimate of monthly global emissions of anthropogenic CO2: Impact on the seasonal cycle of atmospheric CO2". Journal of Geophysical Research - Biogeosciences, v. 113, G01023. DOI 10.1029/2007JG000435.

    S. R. Alam, R. F. Barrett, M. R. Fahey, J. A. Kuehn, O. E. B. Messer, R. T. Mills, P. C. Roth, J. S. Vetter, P. H. Worley, 2008. "An evaluation of the Oak Ridge National Laboratory Cray XT3". International Journal of High Performance Computing Applications, February 2008, v. 22, no. 1, pp. 52-80.

    R. T. Mills, C. Lu, P. C. Lichtner, and G. E. Hammond, 2007. "Simulating subsurface flow and transport on ultrascale computers using PFLOTRAN". Journal of Physics: Conference Series, v. 78 (Proceedings of SciDAC 2007). DOI 10.1088/1742-6596/78/1/012051. Invited paper.

    R. T. Mills, C. Yue, A. Stathopoulos, and D. S. Nikolopoulos, 2007. "Runtime and programming support for memory adaptation in scientific applications via local disk and remote memory". Journal of Grid Computing, v. 5, no. 2, pp. 213-234. DOI 10.1007/s10723-007-9075-7.

    P. K. V. V. Nukala, S. Simunovic, and R. T. Mills, 2006. "Statistical physics of fracture: scientific discovery through high-performance computing". Journal of Physics: Conference Series, v. 46, pp. 278-291 (Proceedings of SciDAC 2006). DOI 10.1088/1742-6596/46/1/039. Invited paper.

    C. Yue, R. T. Mills, A. Stathopoulos, and D. S. Nikolopoulos, 2006. "Runtime support for memory adaptation in scientific workloads via local disk and remote memory". Proceedings of the 15th IEEE International Symposium on High Performance Distributed Computing. Paris, France, June 2006. Finalist for best paper award.

    E. F. D'Azevedo, M. R. Fahey, and R. T. Mills, 2005. "Vectorized sparse matrix multiply for compressed row storage format". Lecture Notes in Computer Science, 3514:99-106, 2005.

    R. T. Mills, A. Stathopoulos, and D. S. Nikolopoulos, 2004. "Adapting to memory pressure from within scientific applications on multiprogrammed clusters of workstations". Proceedings of the 18th IEEE International Parallel and Distributed Processing Symposium (IPDPS 2004).

    J. R. McCombs, R. T. Mills, and A. Stathopoulos, 2003. "Dynamic load balancing of an iterative eigensolver on networks of heterogeneous clusters". Proceedings of the 17th International Parallel and Distributed Processing Symposium (IPDPS 2003).

    H. H. Mills and R. T. Mills, 2001. "Evolution of undercut slopes on abandoned incised meanders in the Eastern Highland Rim of Tennessee, USA". Geomorphology 38, 317-336. DOI 10.1016/S0169-555X(00)00104-5.

    R. T. Mills, A. Stathopoulos and E. Smirni, 2001. "Algorithmic modifications to the Jacobi-Davidson parallel eigensolver to dynamically balance external CPU and memory load". Proceedings of the International Conference on Supercomputing (ICS 2001), Sorrento, Italy, June 18-22, (2001), 454--463.