 | Calvin J. RibbensProfessor and Associate Department Head for Undergraduate Studies
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Research Interests
Cal Ribbens is a professor in the Department of Computer Science at Virginia Tech. He also serves as Associate Department Head for Undergraduate Studies. His research interests include parallel and high performance computing, mathematical software and computational science. Ribbens holds an MS and PhD in computer science from Purdue University and a BS in mathematics from Calvin College.
Laboratory for Advanced Scientific Computing and ApplicationsURL: http://research.cs.vt.edu/~lasca/ The goal of the Laboratory for Advanced Scientific Computing and Applications (LASCA) is to provide expertise and leadership in high-end scientific computing research and education at Virginia Tech. Located in Torgersen Hall, the laboratory is a visible and strategic center of activity in applied high-computation and assist scientists and engineers in applying high-end computing resources to their problems. By bringing together experts in scientific cp\omputing and its applications, LASCA helps build the kind of multidisciplinary teams needed to address today's most challenging computational science problems. |
2013
Duggirala, V., C. J. Ribbens, and S. Varadarajan,
"Distributed ONE: scalable parallel network simulation",
6th International Conference on Simulation Tools and Techniques (SIMUTools 2013), 2013.
2012
Kang, P., M. F. Heffner, N. Ramakrishnan, C. J. Ribbens, and S. Varadarajan,
"Adaptive code collage: a framework to transparently modify scientific codes",
Computing in Science & Engineering, vol. 14, pp. 52-63, 2012.
Kang, P., N. Selvarasu, N. Ramakrishnan, C. J. Ribbens, D. Tafti, Y. Cao, and S. Varadarajan,
"Implementing modular adaptation of scientific software",
Jnl. of Computational Science, vol. 3, pp. 28-45, 2012.
2011
Belgin, M., G. Back, and C. J. Ribbens,
"A library for pattern-based sparse matrix vector multiply",
Intl. Jnl. of Parallel Programming, vol. 39, pp. 62-87, 2011.
Kim, D. K., E. Tilevich, and C. J. Ribbens,
"Dynamic software updates for parallel high-performance applications",
Concurrency & Computation: Practice & Experience, vol. 23, pp. 415-434, 2011.
Mateescu, G., W. Gentzsch, and C. J. Ribbens,
"Hybrid Computing: where HPC meets Grid and Cloud Computing",
Future Generation Computer Systems, vol. 27, pp. 440-453, 2011.
Pyla, H. K., C. J. Ribbens, and S. Varadarajan,
"Exploiting coarse-grain speculative parallelism",
26th Annual ACM SIGPLAN Conference on Object-Oriented Programming, Systems, Languages & Applications, OOPSLA/SPLASH 2011: ACM, pp. 555-574, 2011.
Abstract
Ramesh, B., C. J. Ribbens, and S. Varadarajan,
"Is it time to rethink distributed shared memory systems?",
17th IEEE International Conference on Parallel & Distributed Systems (ICPADS 2011): IEEE Computer Society, pp. 212-219, 2011.
2010
Sudarsan, R., and C. J. Ribbens,
"Design and performance of a scheduling framework for resizable parallel applications",
Parallel Computing, vol. 36, pp. 48-64, 2010.
Belgin, M., G. Back, and C. J. Ribbens,
"Operation stacking for ensemble computations with variable convergence",
Intl. Jnl. of High Performance Computing Applications, vol. 24, pp. 194-212, 2010.
Belgin, M., G. Back, and C. J. Ribbens,
"Applicability of pattern-based sparse matrix representation for real applications",
International Conference on Computational Science (ICCS 2010), Amsterdam, Elsevier, pp. 203-211, 2010.
Kang, P., N. Selvarasu, N. Ramakrishnan, C. J. Ribbens, D. Tafti, and S. Varadarajan,
"Dynamic tuning of algorithmic parameters of parallel scientific codes",
International Conference on Computational Science (ICCS 2010), Amsterdam, Elsevier, pp. 145-153, 2010.
2009
Belgin, M., G. Back, and C. J. Ribbens,
"A Pattern-based Sparse Matrix Representation for Memory-efficient SMVM Kernels",
ICS '09: Proceedings of the 23rd international conference on Supercomputing: ACM, New York, pp. 100-109, 2009.
Akhtar, I., A. H. Nayfeh, and C. J. Ribbens,
"On the stability and extension of reduced-order galerkin models in incompressible flows: a numerical study of vortex shedding",
Theoretical & Computational Fluid Dynamics, vol. 23, pp. 213-237, 2009.
Sudarsan, R., and C. J. Ribbens,
"Scheduling Resizable Parallel Applications",
IPDPS'09: the 2009 IEEE International Symposium on Parallel & Distributed Processing: IEEE Computer Society, Washington, DC, 2009.
Sudarsan, R., C. J. Ribbens, and D. Farkas,
"Dynamic Resizing of Parallel Scientific Simulations: A Case Study Using LAMMPS",
International Conference on Computational Science (ICCS 2009): Springer, Heidelberg, pp. 175-184, 2009.
Abstract
Kim, D. K., M. Song, E. Tilevich, C. J. Ribbens, and S. A. Bohner,
"Dynamic Software Updates for Accelerating Scientific Discovery",
International Conference on Computational Science (ICCS 2009): Springer, Heidelberg, pp. 237-247, 2009.
Kang, P., N. Selvarusu, N. Ramakrishnan, C. J. Ribbens, D. Tafti, and S. Varadarajan,
"Modular, Fine-grained Adaptation of Parallel Programs",
International Conference on Computational Science (ICCS 2009): Springer, Heidelberg, pp. 269-279, 2009.
Kang, P., Y. Cao, N. Ramakrishnan, C. J. Ribbens, and S. Varadarajan,
"Modular Implementation of Adaptive Decisions in Stochastic Simulations",
Proceedings of the 24th Annual ACM Symposium on Applied Computing (SAC'09): ACM, New York, pp. 995-1001, 2009.
Akhtar, I., J. Borggaard, T. Iliescu, and C. J. Ribbens,
"Modeling high frequency modes for accurate low-dimensional galerkin models",
39th AIAA Fluid Dynamics Conference, San Antonio, TX, 2009.
2008
Akhtar, I., A. H. Nayfeh, and C. J. Ribbens,
"A galerkin model of the pressure field in incompressible flows",
46th AIAA Aerospace Sciences Meeting and Exhibit, Reno, NV, January, 2008.
Abstract
2007
Sudarsan, R., and C. J. Ribbens,
"“ReSHAPE: A framework for dynamic resizing and scheduling of homogeneous applications in a parallel environment",
Proceedings of the International Conference on Parallel Processing (ICPP-2007), Washington, DC, IEEE Computer Society, pp. 44, 2007.
Sudarsan, R., and C. J. Ribbens,
"Efficient multidimensional data redistribution for resizable parallel computations",
Proceedings, Fifth International Symposium on Parallel and Distributed Processing and Applications (ISPA-07), Berlin, Springer-Verlag, pp. 182–194, 2007.
Belgin, M., C. J. Ribbens, and G. Back,
"An operation stacking framework for large ensemble computations",
Proceedings of the 21st ACM International Conference on Supercomputing (ICS07), New York, B. Smith (ed.), 2007, ACM, pp. 83–92, 2007.
2005
Belgin, M., and C. J. Ribbens,
"Improving the performance of HPC applications by using operation stacking",
Proceedings of ICCSE2005, The International Conference on Computational Science and Engineering, H. Dag and Y. Deng (eds.), Istanbul Technical University, pp. 183–190, 2005.
Ribbens, C. J., S. Varadarajan, M. Chinnusamy, and G. Swaminathan,
"Balancing computational science and computer science research on a terascale computing facility",
Proceedings of ICCS 2005, the 5th International Conference on Computational Science, Berlin, V. Sunderam, G. van Albada, P. Sloot, J. Dongarra (eds.), Springer-Verlag, pp. 60–67, 2005.
2004
Griffen, O. H., E. A. Fox, C. J. Ribbens, T. D. Walker, N. J. Davis, R. M. Goff, J. L. Lo, V. K. Lohani, M. I. H. Gregg, and N. D. Barnette,
"Work in Progress-A Freshman Course for Engineering and Computer Science Students",
Proceedings of the 2004 Frontiers in Education Conference, Savannah, GA, October 2004.
Heath, L. S., C. J. Ribbens, and S. V. Pemmaraju,
"Processor-Efficient Sparse Matrix-Vector Multiplication",
Computers and Mathematics with Applications , vol. 48, pp. pp. 589-608. , 2004.
Griffin, O. H., E. A. Fox, C. J. Ribbens, T. D. Walker, N. J. Davis, R. M. Goff, J. L. Lo, V. K. Lohani, M. I. H. Gregg, and N. D. Barnette,
"A Freshman Course for Engineering and Compuer Science Students",
Proceedings in Frontiers in Education 34th Annual Conference FIE 2004, Savannah, GA, October 2004.
Tadepalli, S., C. J. Ribbens, and S. Varadarajan,
"GEMS: A job management system for fault tolerant grid computing",
Proceedings High Performance Computing Symposium 2004, San Diego, CA, J. Meyer (ed.), Soc. for Modeling and Simulation Internat., pp. 59-66, 2004.
2003
Ribbens, C. J.,
"High performance computing",
Virginia Tech Scholarly Review, pp. 11-15, 2003.
Mateescu, G., C. J. Ribbens, and L. T. Watson,
"A domain decomposition preconditioner for hermite collocation problems",
Num. Meth. PDEs, vol. 19, pp. 135-151, 2003.
Bora, P., C. J. Ribbens, S. Prabhakar, G. Swaminathan, M. Chinnusamy, A. Jeyakumar, and B. Diaz-Acosta,
"Issues in runtime algorithm selection for grid environments",
Proceedings of the International Workshop on Challenges of Large Applications in Distributed Environments, Los Alamitos, CA, I. Banicescu (ed.), IEEE Press, pp. 80–87, 2003.
Ribbens, C. J., P. Bora, D. M. Ventra, J. Hauck, S. Prabhakar, and C. Taylor,
"From cluster to Grid: a case study in scaling-up a molecular electronics simulation code",
Proceedings of the High Performance Computing Symposium 2003, San Diego, I. Banicescu (ed.), Society for Modeling and Simulation International, pp. 54-62, 2003.
2002
Ramakrishnan, N., L. T. Watson, D. G. Kafura, C. J. Ribbens, and C. A. Shaffer,
"Programming Environments for Multidisciplinary Grid Communities",
Concurrency and Computation: Practice and Experience, vol. 13–15, pp. 1241–1273, Nov–December, 2002.
Prabhakar, S., C. J. Ribbens, and P. Bora,
"Multifaceted web services: an approach to secure and scalable grid scheduling",
The Web and the GRID: from e-science to e-business, Proceedings of Euroweb 2002, Swindon, UK, B. Matthews, B. Hopgood, M. Wilson (eds.) British Computer Society, pp. 116–125, 2002.
2001
Farkas, D., M. Duranduru, W. A. Curtin, and C. J. Ribbens,
"Multiple-dislocation emission from the crack tip in the ductile fracture of Al",
Philosophical Magazine A, vol. 81, pp. 1241–1255, 2001.
Kohn, S., G. Kumfert, J. Painter, and C. J. Ribbens,
"Divorcing language dependencies from a scientific software library",
Proceedings of the Tenth SIAM Conference on Parallel Processing for Scientific Computing, Philadelphia, PA, C. Koelbel and J. Meza (eds.), SIAM, 2001.
2000
Ramakrishnan, N., and C. J. Ribbens,
"Mining and visualizing recommendation spaces for elliptic PDEs with continuous attributes",
ACM Trans. Math. Softw., vol. 26, pp. 254–273, 2000.
Goel, A., C. Phanouriou, F. A. Kamke, C. J. Ribbens, C. A. Shaffer, and L. T. Watson,
"WBCSim: A prototype PSE for wood-based composites simulations",
Enabling Technologies for Computational Science: Frameworks, Middleware and Environments, pp. 187-196, 2000.
1999
Goel, A., C. Phanouriou, F. A. Kamke, C. J. Ribbens, C. A. Shaffer, and L. T. Watson,
"WBCSim: A Prototype Problem Solving Environment for Wood-Based Composites Simulations",
Engineering with Computers, vol. 15, no. 2, pp. 198–210, 1999.
Mateescu, G., C. J. Ribbens, L. T. Watson, and C. - Y. Wang,
"Effect of a sawtooth boundary on Couette flow",
Computers & Fluids, vol. 28, pp. 801–813, 1999.
Mateescu, G., and C. J. Ribbens,
"An Iterative Substructuring Preconditioner for Collocation with Hermite Bicubics",
Proceedings of the Eleventh International Conference on Domain Decomposition Methods, Bergen,, C-H Lai, P. E. Bjorstad, M. Cross, and O. Widlund, (eds.), DDM.org, pp. 73–81, 1999.
1998
Pilkey, D. F., C. J. Ribbens, and D. J. Inman,
"High performance computing issues for model reduction/expansion",
Advances in Engineering Software, vol. 29, pp. 389–393, 1998.
Mateescu, G., and C. J. Ribbens,
"Parallel algorithm for the solution of high order discretization of elliptic PDEs",
Proceedings of the ASME Fluids Engineering Division—1998: ASME, New York, pp. 105–112, 1998.
1997
Embree, M., and C. J. Ribbens,
"On the scalability of parallel Krylov subspace methods",
Proceedings of the Eighth SIAM Conference on Parallel Processing for Scientific Computing, Philadelphia, SIAM, 1997.
1994
McQuain, W. D., C. J. Ribbens, L. T. Watson, and R. C. Melville,
"Preconditioned iterative methods for sparse linear algebra problems arising in circuit simulation",
Computers Math. Applic., vol. 27, pp. 25-45, 1994.
McQuain, W. D., C. J. Ribbens, C. - Y. Wang, and L. T. Watson,
"Steady viscous flow in a trapezoidal cavity",
Comput. & Fluids, vol. 23, pp. 613–626, 1994.
1993
Ribbens, C. J., G. G. Pitts, and L. T. Watson,
"Parallel ELLPACK for shared memory multiprocessors",
Comput. Systems Engrg., vol. 4, pp. 531-540, 1993.
Chakraborty, A., D. C. S. Allison, C. J. Ribbens, and L. T. Watson,
"The parallel complexity of embedding algorithms for the solution of systems of nonlinear equations",
IEEE Trans. Parallel Distrib. Sys., vol. 4, pp. 458–465, 1993.
Shankar, J., C. J. Ribbens, R. T. Haftka, and L. T. Watson,
"Computational study of a nonhierarchical decomposition algorithm",
Comput. Optim. Appl., vol. 2, pp. 273–293, 1993.
Ribbens, C. J., L. T. Watson, and C. deSa,
"Toward parallel mathematical software for elliptic partial differential equations",
ACM Trans. Math. Softw., vol. 13, pp. 30-46, 1993.
1992
deSa, C., K. M. Irani, C. J. Ribbens, L. T. Watson, and H. F. Walker,
"Preconditioned iterative methods for homotopy curve tracking",
SIAM J. Sci. Stat. Comput., vol. 13, pp. 30–46, 1992.
Ribbens, C. J.,
"A moving mesh scheme for adaptive domain decomposition",
Unstructured Scientific Computation on Scalable Multiprocessors, Cambridge, MA, P. Mehrotra, J. Saltz, and R. Voigt (eds.), MIT Press, 1992.
Ribbens, C. J.,
"On adaptive domain decomposition with moving subdomains",
Fifth International Symposium on Domain Decomposition Methods for Partial Differential Equations, Philadelphia, D. Keyes, et al. (eds.), SIAM, 1992.
Beattie, C., and C. J. Ribbens,
"Parallel solution of a generalized symmetric eigenvalue problem",
Parallel Processing for Scientific Computing, Philadelphia, J. Dongarra, et al. (eds.), SIAM, 1992.
Ribbens, C. J., and G. G. Pitts,
"Strategies for parallelizing PDE software",
Advances in Computer Methods for Partial Differential Equations VII, R. Vichnevetsky, New Brunswick, N.J., D. Knight, and G. Richter (eds.), IMACS, 1992.
1991
Irani, K. M., M. P. Kamat, C. J. Ribbens, H. F. Walker, and L. T. Watson,
"Experiments with conjugate gradient algorithms for homotopy curve tracking",
SIAM J. Optim., vol. 1, pp. 222–251, 1991.
Chakraborty, A., D. C. S. Allison, C. J. Ribbens, and L. T. Watson,
"Note on unit tangent vector computation for homotopy curve tracking on a hypercube",
Parallel Comput., vol. 17, pp. 1385–1395, 1991.
Allison, D. C. S., K. M. Irani, C. J. Ribbens, and L. T. Watson,
"High dimensional homotopy curve tracking on a shared memory multiprocessor",
J. Supercomputing, vol. 5, pp. 347–366, 1991.
1989
Ribbens, C. J.,
"A fast adaptive grid scheme for elliptic partial differential equations",
ACM Trans. Math. Softw., vol. 15, pp. 179–197, 1989.
Ribbens, C. J.,
"Parallelization of adaptive grid domain mappings",
Parallel Processing for Scientific Computing, Philadelphia, G. Rodrigue (ed.), SIAM, 1989.
1988
Dyksen, W. R., C. J. Ribbens, and J. R. Rice,
"The performance of numerical methods for elliptic problems with mixed boundary conditions",
Num. Meth. PDEs, vol. 4, pp. 347–361, 1988.
1987
Dyksen, W. R., and C. J. Ribbens,
"Interactive ELLPACK: an interactive problem-solving environment for elliptic partial differential equations",
ACM Trans. Math. Softw., vol. 13, pp. 113–132, 1987.
Ribbens, C. J.,
"A priori grid adaption strategies for elliptic PDEs",
Advances in Computer Methods for Partial Differential Equations VI, R., New Brunswick, N.J., Vichnevetsky and R.S. Stepleman (eds.), IMACS,, 1987.
1984
Rice, J. R., C. J. Ribbens, and W. A. Ward,
"A simple macro processor",
ACM Trans. Math. Softw., vol. 10, pp. 410–416, 1984.
Please see projects at: http://people.cs.vt.edu/~ribbens/
Collaborative Research: ITR/NGS: Deja Vu: Transparent Checkpointing and Migration of Parallel Codes Over Grid Infrastructures
Granting Institution: National Science Foundation
Amount:
Déjà Vu: Transparent Checkpointing And Migration Of Parallel Codes Over Grid Infrastructures
Granting Institution: National Science Foundation
Amount: $715,000
The Adaptive Code Kitchen & Flexible Tools for Dynamic Application Composition
Granting Institution: National Science Foundation
Amount: $470,047