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Roman Iakymchuk

Contact

Dr. Roman Iakymchuk
Departement Informatique
Télécom SudParis
9 rue Charles Fourier (office B308)
91011 Evry Cedex
France

Phone: 0033(0)160 76 44 07
Fax: 0033 (0)160 76 47 80
Emails: iakymchuk (AT) aices (DOT) rwth-aachen (DOT) de; roman.iakymchuk (AT) telecom-sudparis (DOT) eu

Education

02/2009 - 08/2012
 Dr. rer. nat. in Computer Science, Aachen Institute for Advanced Study in Computations Engineering Science (AICES), RWTH Aachen University
09/2007 - 06/2008
 Master of Science (Hons) in Applied Mathematics and Informatics, Ivan Franko National University of Lviv, Ukraine
09/2003 - 06/2007
 Bachelor of Science (Hons) in Applied Mathematics and Informatics, Ivan Franko National University of Lviv, Ukraine

Professional Career

10/2013 - present
 Post-doctoral fellow at Télécom SudParis, Evry, France
10/2008 - 01/2009
 Assistant Researcher at Ivan Franko National University of Lviv, Ukraine
07/2007 - 01/2009
 Software engineer at SoftServe Inc., Lviv, Ukraine
09/2005 - 06/2007
 Engineer of Computer Equipment Laboratory at Ivan Franko National University of Lviv, Ukraine

Research Interests

Numerical linear algebra, Performance modeling & prediction, Parallel computing, Cloud computing.


Book Chapter

  • HPC on Competitive Cloud Resources. (pdf)
    Paolo Bientinesi, Roman Iakymchuk, and Jeff Napper.
    In Handbook of Cloud Computing. Springer, 2010.

Newspaper Articles

  • Crowded Clouds. (link)
    Jeff Napper, Roman Iakymchuk, and Paolo Bientinesi.
    HPCwire, August 12, 2010.
  • HPC Sharing in the Cloud. (link)
    Jeff Napper, Roman Iakymchuk, and Paolo Bientinesi.
    HPC in the Cloud, August 12, 2010.

Journal Publications

  • Modeling Performance through Memory-Stalls. (pdf)
    Roman Iakymchuk and Paolo Bientinesi.
    ACM SIGMETRICS Performance Evaluation Review. 2012. Vol. 40(2).
  • On a Secant Type Method for Nonlinear Least Squares Problems.
    Stepan Shakhno, Oleksandra Gnatyshyn, and Roman Iakymchuk.
    Journal of Numerical and Applied Mathematics. 2009. Vol. 97. PP. 112-121.
  • On an One-Step Modification of Gauss-Newton Method under Generalized Lipschitz Conditions for Solving the Nonlinear Least Squares Problem.
    Stepan Shakhno and Roman Iakymchuk.
    PAMM. Vol. 9. Special issue: 80th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM), Gdansk 2009. PP. 565-566.

Peer Reviewed Conference Publications

  • Execution-Less Performance Modeling. (pdf)
    Roman Iakymchuk and Paolo Bientinesi.
    In the Proceedings of the second international workshop on Performance Modeling, Benchmarking and Simulation of High-Performance Computing Systems (PMBS11) held as part of the Supercomputing Conference (SC11). Seattle, USA, November 13th, 2011.
  • Performance Prediction through Time Measurements.
    Roman Iakymchuk.
    In Proceedings of the 1st International Conference on High-Performance Computing (HPC-UA 2011). Kyiv, Ukraine, October 12-14, 2011.
  • Improving High-Performance Computations on Clouds Through Resource Underutilization. (pdf)
    Roman Iakymchuk, Jeff Napper, and Paolo Bientinesi.
    In Proceedings of ACM 26th Symposium on Applied Computing, special track on Cloud Computing. Taichung, Taiwan, March 21-25, 2011.

Technical Reports

  • Modeling Performance through Memory-Stalls. (preprint, bib)
    Roman Iakymchuk and Paolo Bientinesi.
    AICES-2011/07-1. July 2011.
  • Underutilizing Resources for HPC on Clouds. (preprint, bib)
    Roman Iakymchuk, Jeff Napper, and Paolo Bientinesi.
    AICES-2010/06-1. June 2010.
  • HPC on Competitive Cloud Resources. (preprint, bib)
    Paolo Bientinesi, Roman Iakymchuk, and Jeff Napper.
    AICES-2010/04-2. April 2010.

Talks

  • Performance Modeling and Prediction for Linear Algebra Algorithms. (pdf)
    Defence of the doctoral thesis. August 30th, 2012. Aachen, Germany.
  • Execution-Less Performance Modeling. (pdf)
    2nd International Workshop on Performance Modeling, Benchmarking and Simulation of High-Performance Computing Systems (PMBS11) held as part of the Supercomputing Conference (SC11). November 13th, 2011. Seattle, USA.
  • Performance Prediction through Time Measurements. (pdf)
    1st International Conference on High-Performance Computing (HPC-UA 2011). October 12-14, 2011. Kyiv, Ukraine.
  • Modeling Performance through Memory-Stalls. (pdf)
    Conference for Young Scientists "Facing the Multicore-Challenge II". September 28-30, 2011. Karlsruhe, Germany.