Profile of Roman Iakymchuk

Fields of Activity / Competences

  • GaspiLS
  • GASPI
  • Numerical linear algebra
  • Computer arithmetic: minimal-precision, accuracy and reproducibility

 

Publications

Major Publications

  • Iakymchuk, R.; Barreda, M.; Wiesenberger, M.; Aliaga, J. I.; Quintana-Ortí, E. S.:
    Reproducibility strategies for parallel Preconditioned Conjugate Gradient:
    In: Journal of Computational and Applied Mathematics 371, Article 112697.
    Link to publication

  • Iakymchuk, R.; Barreda, M.; Graillat, S.; Aliaga, J.; Quintana- Ortí, E. S.:
    Reproducibility of Parallel Preconditioned Conjugate Gradient in Hybrid Programming Environments
    In: International Journal of High Performance Computing Applications IJHPCA,
    Link to publication
  • Simmendinger, C.; Iakymchuk, R.; Akhmetova, D.; Cebamanos, L.; Bartsch, V.; Rotaru, T.:
    Interoperability Strategies For Gaspi And Mpi In Large Scale Scientific Applications.
    International Journal of High Performance Computing Applications, Volume 33, Issue 3, 1 May 2019, Pages 554-568.
  • Al Ahad, M. Abd.; Simmendinger, C.; Iakymchuk, R.; Laure, E.; Markidis, S.
    Efficient algorithms for collective operations with notified communication in shared windows
    Proceedings of PAW-ATM 2018: Parallel Applications Workshop, Alternatives to MPI, Held in conjunction with SC 2018: The International Conference for High Performance Computing, Networking, Storage and Analysis
    Link to publication

 

A collection of publications by Roman Iakymchuk in the Fraunhofer-Publica

Fraunhofer-Publica

A collection of publications by Roman Iakymchuk in the Fraunhofer-Publica

YearTitle/AuthorDocument Type
2021Conjugate Gradient Solvers with High Accuracy and Bit-wise Reproducibility between CPU and GPU using Ozaki scheme
Mukunoki, D.; Ozaki, K.; Ogita, T.; Iakymchuk, R.
Conference Paper
2021Efficient and Eventually Consistent Collective Operations: Published on Zenodo
Iakymchuk, Roman; Faustino, Amandio; Emerson, Andrew; Barreto, Joao; Bartsch, Valeria; Rodrigues, Rodrigo; Monteiro, Jose
Internet Contribution
2020Can we avoid rounding-error estimation in HPC codes and still get trustful results?
Jézéquel, Fabienne; Graillat, Stef; Mukunoki, Daichi; Imamura, Toshiyuki; Iakymchuk, Roman
Report
2020Can we Avoid Rounding-Error Estimation in HPC Codes and Still Get Trustworthy Results?
Jézéquel, F.; Graillat, S.; Mukunoki, D.; Imamura, T.; Iakymchuk, R.
Conference Paper
2020Conjugate Gradient Solvers with High Accuracy and Bit-wise Reproducibility between CPU and GPU using Ozaki Scheme
Mukunoki, Daichi; Ozaki, Katsuhisa; Ogita, Takeshi; Iakymchuk, Roman
Report
2020On an improved convergence analysis of a two-step Gauss-Newton type method under generalized Lipschitz conditions
Argyros, Ioannis Konstantinos; Iakymchuk, Roman; Shakhno, Stepan M.; Yarmola, Halyna P.
Journal Article
2020Reproducibility of parallel preconditioned conjugate gradient in hybrid programming environments
Iakymchuk, R.; Barreda Vayá, M.; Graillat, S.; Aliaga, J.I.; Quintana-Ortí­, E.S.
Journal Article
2020Reproducibility strategies for parallel Preconditioned Conjugate Gradient
Iakymchuk, R.; Barreda, M.; Wiesenberger, M.; Aliaga, J.I.; Quintana-Ortí­, E.S.
Journal Article
2019Interoperability strategies for GASPI and MPI in large-scale scientific applications
Simmendinger, C.; Iakymchuk, R.; Cebamanos, L.; Akhmetova, D.; Bartsch, V.; Rotaru, T.; Rahn, M.; Laure, E.; Markidis, S.
Journal Article
2018Interoperability of GASPI and MPI in large scale scientific applications
Akhmetova, D.; Cebamanos, L.; Iakymchuk, R.; Rotaru, T.; Rahn, M.; Markidis, S.; Laure, E.; Bartsch, V.; Simmendinger, C.
Conference Paper
2018Interoperability strategies for GASPI and MPI in large scale scientific applications: Published on Zenodo
Simmendinger, Christian; Iakymchuk, Roman; Akhmetova, Dana; Cebamanos, Luis; Bartsch, Valeria; Rotaru, Tiberiu; Rahn, Mirko; Laure, Erwin; Markidis, Stefano
Internet Contribution
This publication list has been generated from the publication database Fraunhofer-Publica.