Roman Iakymchuk

Orcid: 0000-0003-2414-700X

Affiliations:
  • Uppsala University, Sweden
  • Umeå University, Sweden


According to our database1, Roman Iakymchuk authored at least 33 papers between 2010 and 2024.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.

Timeline

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Bibliography

2024
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., January, 2024

Verificarlo CI: continuous integration for numerical optimization and debugging.
CoRR, 2024

Enabling mixed-precision with the help of tools: A Nekbone case study.
CoRR, 2024

Robustness and Accuracy in Pipelined Bi-Conjugate Gradient Stabilized Method: A Comparative Study.
CoRR, 2024

Robustness and Accuracy in Pipelined Bi-conjugate Gradient Stabilized Methods.
Proceedings of the Computational Science - ICCS 2024, 2024

2023
General framework for re-assuring numerical reliability in parallel Krylov solvers: A case of BiCGStab methods.
CoRR, 2023

2022
General Framework for Deriving Reproducible Krylov Subspace Algorithms: BiCGStab Case.
Proceedings of the Parallel Processing and Applied Mathematics, 2022

2021
Gauss-Newton-Secant Method for Solving Nonlinear Least Squares Problems under Generalized Lipschitz Conditions.
Axioms, 2021

Efficient and Eventually Consistent Collective Operations.
Proceedings of the IEEE International Parallel and Distributed Processing Symposium Workshops, 2021

Conjugate Gradient Solvers with High Accuracy and Bit-wise Reproducibility between CPU and GPU using Ozaki scheme.
Proceedings of the HPC Asia 2021: The International Conference on High Performance Computing in Asia-Pacific Region, 2021

2020
Reproducibility strategies for parallel Preconditioned Conjugate Gradient.
J. Comput. Appl. Math., 2020

Reproducibility of parallel preconditioned conjugate gradient in hybrid programming environments.
Int. J. High Perform. Comput. Appl., 2020

AllScale toolchain pilot applications: PDE based solvers using a parallel development environment.
Comput. Phys. Commun., 2020

Reproducibility of Parallel Preconditioned Conjugate Gradient in Hybrid Programming Environments.
CoRR, 2020

White Paper from Workshop on Large-scale Parallel Numerical Computing Technology (LSPANC 2020): HPC and Computer Arithmetic toward Minimal-Precision Computing.
CoRR, 2020

Can We Avoid Rounding-Error Estimation in HPC Codes and Still Get Trustworthy Results?
Proceedings of the Software Verification - 12th International Conference, 2020

2019
Interoperability strategies for GASPI and MPI in large-scale scientific applications.
Int. J. High Perform. Comput. Appl., 2019

Hierarchical approach for deriving a reproducible unblocked LU factorization.
Int. J. High Perform. Comput. Appl., 2019

Reproducibility, accuracy and performance of the Feltor code and library on parallel computer architectures.
Comput. Phys. Commun., 2019

2018
A taxonomy of task-based parallel programming technologies for high-performance computing.
J. Supercomput., 2018

Efficient Algorithms for Collective Operations with Notified Communication in Shared Windows.
Proceedings of the 2018 IEEE/ACM Parallel Applications Workshop, Alternatives To MPI, 2018

2017
A Taxonomy of Task-Based Technologies for High-Performance Computing.
Proceedings of the Parallel Processing and Applied Mathematics, 2017

Interoperability of GASPI and MPI in Large Scale Scientific Applications.
Proceedings of the Parallel Processing and Applied Mathematics, 2017

Towards Reproducible Blocked LU Factorization.
Proceedings of the 2017 IEEE International Parallel and Distributed Processing Symposium Workshops, 2017

Performance Study of Multithreaded MPI and OpenMP Tasking in a Large Scientific Code.
Proceedings of the 2017 IEEE International Parallel and Distributed Processing Symposium Workshops, 2017

2016
A Performance Characterization of Streaming Computing on Supercomputers.
Proceedings of the International Conference on Computational Science 2016, 2016

2015
Numerical reproducibility for the parallel reduction on multi- and many-core architectures.
Parallel Comput., 2015

Reproducible Triangular Solvers for High-Performance Computing.
Proceedings of the 12th International Conference on Information Technology, 2015

2014
Reproducible and Accurate Matrix Multiplication.
Proceedings of the Scientific Computing, Computer Arithmetic, and Validated Numerics, 2014

2012
Performance modeling and prediction for linear algebra algorithms.
PhD thesis, 2012

Modeling performance through memory-stalls.
SIGMETRICS Perform. Evaluation Rev., 2012

2011
Improving high-performance computations on clouds through resource underutilization.
Proceedings of the 2011 ACM Symposium on Applied Computing (SAC), TaiChung, Taiwan, March 21, 2011

2010
HPC on Competitive Cloud Resources.
Proceedings of the Handbook of Cloud Computing., 2010


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