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Roman Iakymchuk
Person information
- affiliation: Uppsala University, Sweden
- affiliation: Umeå University, Sweden
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2020 – today
- 2024
- [j11]Roman Iakymchuk
, Stef Graillat, José Ignacio Aliaga
:
General framework for re-assuring numerical reliability in parallel Krylov solvers: A case of bi-conjugate gradient stabilized methods. Int. J. High Perform. Comput. Appl. 38(1): 17-33 (2024) - [c14]Mykhailo Havdiak, José Ignacio Aliaga, Roman Iakymchuk:
Robustness and Accuracy in Pipelined Bi-conjugate Gradient Stabilized Methods. ICCS (3) 2024: 311-319 - [i7]Mykhailo Havdiak, Jose I. Aliaga, Roman Iakymchuk:
Robustness and Accuracy in Pipelined Bi-Conjugate Gradient Stabilized Method: A Comparative Study. CoRR abs/2404.13216 (2024) - [i6]Yanxiang Chen, Pablo de Oliveira Castro, Paolo Bientinesi, Roman Iakymchuk:
Enabling mixed-precision with the help of tools: A Nekbone case study. CoRR abs/2405.11065 (2024) - [i5]Aurélien Delval, François Coppens, Eric Petit, Roman Iakymchuk, Pablo de Oliveira Castro:
Verificarlo CI: continuous integration for numerical optimization and debugging. CoRR abs/2407.08262 (2024) - 2023
- [i4]Roman Iakymchuk, José Ignacio Aliaga:
General framework for re-assuring numerical reliability in parallel Krylov solvers: A case of BiCGStab methods. CoRR abs/2302.04180 (2023) - 2022
- [c13]Roman Iakymchuk
, Stef Graillat, José Ignacio Aliaga:
General Framework for Deriving Reproducible Krylov Subspace Algorithms: BiCGStab Case. PPAM (1) 2022: 16-29 - [i3]Roman Iakymchuk, Amândio Faustino, Andrew P. J. Emerson, João Barreto, Valeria Bartsch, Rodrigo Rodrigues, José C. Monteiro:
Efficient and Eventually Consistent Collective Operations. CoRR abs/2203.17063 (2022) - 2021
- [j10]Ioannis K. Argyros, Stepan Shakhno
, Roman Iakymchuk, Halyna Yarmola
, Michael I. Argyros:
Gauss-Newton-Secant Method for Solving Nonlinear Least Squares Problems under Generalized Lipschitz Conditions. Axioms 10(3): 158 (2021) - [c12]Daichi Mukunoki
, Katsuhisa Ozaki, Takeshi Ogita, Roman Iakymchuk:
Conjugate Gradient Solvers with High Accuracy and Bit-wise Reproducibility between CPU and GPU using Ozaki scheme. HPC Asia 2021: 100-109 - [c11]Roman Iakymchuk, Amândio Faustino, Andrew P. J. Emerson
, João Barreto
, Valeria Bartsch, Rodrigo Rodrigues, José C. Monteiro:
Efficient and Eventually Consistent Collective Operations. IPDPS Workshops 2021: 621-630 - 2020
- [j9]Fearghal O'Donncha
, Roman Iakymchuk
, Albert Akhriev, Philipp Gschwandtner
, Peter Thoman, Thomas Heller, Xavier Aguilar, Kiril Dichev, Charles Gillan, Stefano Markidis, Erwin Laure, Emanuele Ragnoli
, Vassilis Vassiliadis, Michael A. Johnston
, Herbert Jordan, Thomas Fahringer
:
AllScale toolchain pilot applications: PDE based solvers using a parallel development environment. Comput. Phys. Commun. 251: 107089 (2020) - [j8]Roman Iakymchuk, María Barreda Vayá, Stef Graillat, José Ignacio Aliaga
, Enrique S. Quintana-Ortí:
Reproducibility of parallel preconditioned conjugate gradient in hybrid programming environments. Int. J. High Perform. Comput. Appl. 34(5) (2020) - [j7]Roman Iakymchuk
, Maria Barreda, Matthias Wiesenberger
, José Ignacio Aliaga
, Enrique S. Quintana-Ortí:
Reproducibility strategies for parallel Preconditioned Conjugate Gradient. J. Comput. Appl. Math. 371: 112697 (2020) - [c10]Fabienne Jézéquel, Stef Graillat, Daichi Mukunoki
, Toshiyuki Imamura, Roman Iakymchuk:
Can We Avoid Rounding-Error Estimation in HPC Codes and Still Get Trustworthy Results? VSTTE 2020: 163-177 - [i2]Roman Iakymchuk
, Daichi Mukunoki
, Artur Podobas, Fabienne Jézéquel, Toshiyuki Imamura, Norihisa Fujita, Jens Huthmann, Shuhei Kudo, Yiyu Tan, Jens Domke, Kai Torben Ohlhus, Takeshi Fukaya, Takeo Hoshi, Yuki Murakami, Maho Nakata, Takeshi Ogita, Kentaro Sano, Taisuke Boku:
White Paper from Workshop on Large-scale Parallel Numerical Computing Technology (LSPANC 2020): HPC and Computer Arithmetic toward Minimal-Precision Computing. CoRR abs/2004.04628 (2020) - [i1]Roman Iakymchuk
, Maria Barreda, Stef Graillat, José Ignacio Aliaga, Enrique S. Quintana-Ortí:
Reproducibility of Parallel Preconditioned Conjugate Gradient in Hybrid Programming Environments. CoRR abs/2005.07282 (2020)
2010 – 2019
- 2019
- [j6]Matthias Wiesenberger
, Lukas Einkemmer
, Markus Held
, Albert Gutierrez-Milla, Xavier Saez, Roman Iakymchuk
:
Reproducibility, accuracy and performance of the Feltor code and library on parallel computer architectures. Comput. Phys. Commun. 238: 145-156 (2019) - [j5]Christian Simmendinger, Roman Iakymchuk
, Luis Cebamanos, Dana Akhmetova, Valeria Bartsch, Tiberiu Rotaru, Mirko Rahn, Erwin Laure, Stefano Markidis:
Interoperability strategies for GASPI and MPI in large-scale scientific applications. Int. J. High Perform. Comput. Appl. 33(3) (2019) - [j4]Roman Iakymchuk
, Stef Graillat, David Defour, Enrique S. Quintana-Ortí:
Hierarchical approach for deriving a reproducible unblocked LU factorization. Int. J. High Perform. Comput. Appl. 33(5) (2019) - 2018
- [j3]Peter Thoman, Kiril Dichev
, Thomas Heller
, Roman Iakymchuk
, Xavier Aguilar, Khalid Hasanov, Philipp Gschwandtner
, Pierre Lemarinier
, Stefano Markidis, Herbert Jordan, Thomas Fahringer
, Kostas Katrinis, Erwin Laure, Dimitrios S. Nikolopoulos
:
A taxonomy of task-based parallel programming technologies for high-performance computing. J. Supercomput. 74(4): 1422-1434 (2018) - [c9]Muhammed Abdullah Al Ahad, Christian Simmendinger, Roman Iakymchuk
, Erwin Laure, Stefano Markidis:
Efficient Algorithms for Collective Operations with Notified Communication in Shared Windows. PAW-ATM@SC 2018: 1-10 - 2017
- [c8]Dana Akhmetova, Roman Iakymchuk
, Örjan Ekeberg, Erwin Laure:
Performance Study of Multithreaded MPI and OpenMP Tasking in a Large Scientific Code. IPDPS Workshops 2017: 756-765 - [c7]Roman Iakymchuk
, Enrique S. Quintana-Ortí
, Erwin Laure, Stef Graillat:
Towards Reproducible Blocked LU Factorization. IPDPS Workshops 2017: 1598-1607 - [c6]Peter Thoman, Khalid Hasanov, Kiril Dichev, Roman Iakymchuk
, Xavier Aguilar, Philipp Gschwandtner
, Pierre Lemarinier
, Stefano Markidis, Herbert Jordan, Erwin Laure, Kostas Katrinis, Dimitrios S. Nikolopoulos
, Thomas Fahringer
:
A Taxonomy of Task-Based Technologies for High-Performance Computing. PPAM (2) 2017: 264-274 - [c5]Dana Akhmetova, Luis Cebamanos
, Roman Iakymchuk
, Tiberiu Rotaru, Mirko Rahn, Stefano Markidis, Erwin Laure
, Valeria Bartsch, Christian Simmendinger:
Interoperability of GASPI and MPI in Large Scale Scientific Applications. PPAM (2) 2017: 277-287 - 2016
- [c4]Stefano Markidis, Ivy Bo Peng
, Roman Iakymchuk
, Erwin Laure, Gokcen Kestor
, Roberto Gioiosa:
A Performance Characterization of Streaming Computing on Supercomputers. ICCS 2016: 98-107 - 2015
- [j2]Caroline Collange, David Defour, Stef Graillat, Roman Iakymchuk
:
Numerical reproducibility for the parallel reduction on multi- and many-core architectures. Parallel Comput. 49: 83-97 (2015) - [c3]Roman Iakymchuk
, David Defour, Caroline Collange, Stef Graillat:
Reproducible Triangular Solvers for High-Performance Computing. ITNG 2015: 353-358 - 2014
- [c2]Roman Iakymchuk
, David Defour, Caroline Collange, Stef Graillat:
Reproducible and Accurate Matrix Multiplication. SCAN 2014: 126-137 - 2012
- [b1]Roman Iakymchuk:
Performance modeling and prediction for linear algebra algorithms. RWTH Aachen University, 2012, pp. 1-117 - [j1]Roman Iakymchuk, Paolo Bientinesi:
Modeling performance through memory-stalls. SIGMETRICS Perform. Evaluation Rev. 40(2): 86-91 (2012) - 2011
- [c1]Roman Iakymchuk
, Jeff Napper, Paolo Bientinesi:
Improving high-performance computations on clouds through resource underutilization. SAC 2011: 119-126 - 2010
- [p1]Paolo Bientinesi, Roman Iakymchuk, Jeff Napper:
HPC on Competitive Cloud Resources. Handbook of Cloud Computing 2010: 493-516
Coauthor Index
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last updated on 2024-08-17 23:41 CEST by the dblp team
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