Advanced Computing Laboratory

Selected Publications



D. Kourounis, O. Schenk
Processing of Multiperiod Optimal Power Flow Problems using Structure-Exploiting Patent Interior Point Methods
US Patent number 11,080,362, July 2021

Refereed Conference Articles

T. A. Holt, J. Kardoš, V. Fazio, L. Fabietti, F. Spazzini, O. Schenk
High-Performance Data Analytics Techniques for Power Markets Simulation
2021 International Conference on Smart Energy Systems and Technologies (SEST) Mon, Sep 6, 2021 – Wed, Sep 8, 2021

Refereed Journal Articles

M. Bollhöfer, O. Schenk, F. Verbosio
High Performance Block Incomplete LU Factorization
Applied Numerical Mathematics, Volume 162, April 2021, Pages 265-282,
A. Eftekhari, D. Pasadakis, S. Scheidegger, M. Bollhöfer, O. Schenk
Block-Enhanced Precision Matrix Estimation for Large-Scale Datasets
Journal of Computational Science, Volume 53, July 2021, Pages 1-39,


Refereed Journal Articles

P. Arbenz, L. Giraud, O. Schenk.W. Vanroose
Guest editorial: Special Issue on Parallel Matrix Algorithms and Applications (PMAA’18)
Parallel Computing, Volume 84, December 2020, Pages 1-2
P. Sanan, D. May, B. Bollhöfer, O. Schenk
Pragmatic Solvers for 3D Stokes and Elasticity Problems with Heterogeneous Coefficients: Evaluating Modern Incomplete LDLT Preconditioners
Solid Earth Discussions, 1-23, 2020,
A. Klawonn, M. Lanser, M. Uran, O. Rheinbach, S. Köhler, J. Schröder, L. Scheunemann, D. Brands, D. Balzani, A. Gandhi, G. Wellein, M. Wittmann, O. Schenk, R. Janalík
Towards A Virtual Laboratory - Computation of Forming Limit Curves
In: Bungartz HJ., Reiz S., Uekermann B., Neumann P., Nagel W. (eds) Software for Exascale Computing - SPPEXA 2016-2019. Lecture Notes in Computational Science and Engineering, vol 136. Springer, Cham,
J. van Niekerk, H. Bakka, H. Rue, and O. Schenk
New frontiers in Bayesian modeling using the INLA package in R
Journal of Statistical Software, accepted, in press.
J. Kardos, D. Kourounis, and O. Schenk
Two-Level Parallel Augmented Schur Complement Interior-Point Algorithms for the Solution of Security Constrained Optimal Power Flow Problems
IEEE Transactions on Power Systems, 1340 - 1350, Volume: 35 , Issue: 2 , March 2020,
C. Alappat, G. Hager, O. Schenk, J. Thies, A. Basermann, A. Bischop, H. Fehske, G. Wellein
A Recursive Algebraic Coloring Technique for Hardware-Efficient Symmetric Sparse Matrix-Vector Multiplication
ACM Transactions on Parallel Computing, Vol. 7, No. 3, Article 19, June 2020


Refereed Journal Articles

M. Bollhoefer, A. Eftekhari, S. Scheidegger, and O. Schenk
Large-Scale Sparse Inverse Covariance Matrix Estimation
SIAM J. Sci. Comput., 41(1), A380–A401, January 2019, DOI:

Book Contributions

M. Bollhöfer, O. Schenk , R. Janalik, S. Hamm, and K. Gullapalli
State-of-The-Art Sparse Direct Solvers
In: Grama A., Sameh A. (eds) Parallel Algorithms in Computational Science and Engineering. Modeling and Simulation in Science, Engineering and Technology. pp 1-32, Birkhäuser, Cham.
J. Kardos, D. Kourounis, and O. Schenk
Parallel Structure Exploiting Interior Point Methods
In: Grama A., Sameh A. (eds) Parallel Algorithms in Computational Science and Engineering. Modeling and Simulation in Science, Engineering and Technology. pp 63-93, Birkhäuser, Cham.