Vasileios Karakasis

According to our database, Vasileios Karakasis authored at least 22 papers between 2006 and 2021.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2021

An optimisation of allreduce communication in message-passing systems.

Andreas Jocksch, Noé Ohana, Emmanuel Lanti, Eirini Koutsaniti, Vasileios Karakasis, Laurent Villard

Parallel Comput., 2021

2020

Optimised allgatherv, reduce_scatter and allreduce communication in message-passing systems.

Andreas Jocksch, Noé Ohana, Emmanuel Lanti, Vasileios Karakasis, Laurent Villard

CoRR, 2020

Cray programming environments within containers on Cray XC systems.

Maxime Martinasso, Miguel Gila, William Sawyer, Rafael Sarmiento-Pérez, Guilherme Peretti-Pezzi, Vasileios Karakasis

Concurr. Comput. Pract. Exp., 2020

2019

Enabling Continuous Testing of HPC Systems Using ReFrame.

Vasileios Karakasis, Theofilos Manitaras, Victor Holanda Rusu, Rafael Sarmiento-Pérez, Christopher Bignamini, Matthias Kraushaar, Andreas Jocksch, Samuel Omlin, Guilherme Peretti-Pezzi, João P. S. C. Augusto, Brian Friesen, Yun (Helen) He, Lisa Gerhardt, Brandon Cook, Zhi-Qiang You, Samuel Khuvis, Karen Tomko

Proceedings of the Tools and Techniques for High Performance Computing, 2019

Arbor - A Morphologically-Detailed Neural Network Simulation Library for Contemporary High-Performance Computing Architectures.

Nora Abi Akar, Ben Cumming, Vasileios Karakasis, Anne Küsters, Wouter Klijn, Alexander Peyser, Stuart Yates

Proceedings of the 27th Euromicro International Conference on Parallel, 2019

2018

SparseX: A Library for High-Performance Sparse Matrix-Vector Multiplication on Multicore Platforms.

Athena Elafrou, Vasileios Karakasis, Theodoros Gkountouvas, Kornilios Kourtis, Georgios I. Goumas, Nectarios Koziris

ACM Trans. Math. Softw., 2018

2017

Performance Optimisation of Smoothed Particle Hydrodynamics Algorithms for Multi/Many-Core Architectures.

Fabio Baruffa, Luigi Iapichino, Nicolay J. Hammer, Vasileios Karakasis

Proceedings of the 2017 International Conference on High Performance Computing & Simulation, 2017

2015

Extreme Scale-out SuperMUC Phase 2 - lessons learned.

Nicolay Hammer, Ferdinand Jamitzky, Helmut Satzger, Momme Allalen, Alexander Block, Anupam Karmakar, Matthias Brehm, Reinhold Bader, Luigi Iapichino, Antonio Ragagnin, Vasilios Karakasis, Dieter Kranzlmüller, Arndt Bode, Herbert Huber, Martin Kühn, Rui Machado, Daniel Grünewald, Philipp V. F. Edelmann, Friedrich K. Röpke, Markus Wittmann, Thomas Zeiser, Gerhard Wellein, Gerald Mathias, Magnus Schwörer, Konstantin Lorenzen, Christoph Federrath, Ralf Klessen, Karl-Ulrich Bamberg, Hartmut Ruhl, Florian Schornbaum, Martin Bauer, Anand Nikhil, Jiaxing Qi, Harald Klimach, Hinnerk Stüben, Abhishek Deshmukh, Tobias Falkenstein, Klaus Dolag, Margarita Petkova

Proceedings of the Parallel Computing: On the Road to Exascale, 2015

2013

An Extended Compression Format for the Optimization of Sparse Matrix-Vector Multiplication.

Vasileios Karakasis, Theodoros Gkountouvas, Kornilios Kourtis, Georgios I. Goumas, Nectarios Koziris

IEEE Trans. Parallel Distributed Syst., 2013

Energy-Efficient Sparse Matrix Autotuning with CSX - A Trade-off Study.

Jan Christian Meyer, Juan M. Cebrian, Lasse Natvig, Vasileios Karakasis, Dimitris Siakavaras, Konstantinos Nikas

Proceedings of the 2013 IEEE International Symposium on Parallel & Distributed Processing, 2013

Improving the Performance of the Symmetric Sparse Matrix-Vector Multiplication in Multicore.

Theodoros Gkountouvas, Vasileios Karakasis, Kornilios Kourtis, Georgios I. Goumas, Nectarios Koziris

Proceedings of the 27th IEEE International Symposium on Parallel and Distributed Processing, 2013

2012

Using State-of-the-Art Sparse Matrix Optimizations for Accelerating the Performance of Multiphysics Simulations.

Vasileios Karakasis, Georgios I. Goumas, Konstantinos Nikas, Nectarios Koziris, Juha Ruokolainen, Peter Råback

Proceedings of the Applied Parallel and Scientific Computing, 2012

2011

CSX: an extended compression format for spmv on shared memory systems.

Kornilios Kourtis, Vasileios Karakasis, Georgios I. Goumas, Nectarios Koziris

Proceedings of the 16th ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming, 2011

2009

Performance evaluation of the sparse matrix-vector multiplication on modern architectures.

Georgios I. Goumas, Kornilios Kourtis, Nikos Anastopoulos, Vasileios Karakasis, Nectarios Koziris

J. Supercomput., 2009

Exploring the effect of block shapes on the performance of sparse kernels.

Vasileios Karakasis, Georgios I. Goumas, Nectarios Koziris

Proceedings of the 23rd IEEE International Symposium on Parallel and Distributed Processing, 2009

Perfomance Models for Blocked Sparse Matrix-Vector Multiplication Kernels.

Vasileios Karakasis, Georgios I. Goumas, Nectarios Koziris

Proceedings of the ICPP 2009, 2009

A Comparative Study of Blocking Storage Methods for Sparse Matrices on Multicore Architectures.

Vasileios Karakasis, Georgios I. Goumas, Nectarios Koziris

Proceedings of the 12th IEEE International Conference on Computational Science and Engineering, 2009

2008

Efficient Evolution of Accurate Classification Rules Using a Combination of Gene Expression Programming and Clonal Selection.

Vasileios Karakasis, Andreas Stafylopatis

IEEE Trans. Evol. Comput., 2008

Understanding the Performance of Sparse Matrix-Vector Multiplication.

Georgios I. Goumas, Kornilios Kourtis, Nikos Anastopoulos, Vasileios Karakasis, Nectarios Koziris

Proceedings of the 16th Euromicro International Conference on Parallel, 2008

Clonal Selection-Based Neural Classifier.

Aris Lanaridis, Vasileios Karakasis, Andreas Stafylopatis

Proceedings of the 8th International Conference on Hybrid Intelligent Systems (HIS 2008), 2008

2007

Coarse-grain Parallel Execution for 2-dimensional PDE Problems.

Georgios I. Goumas, Nikolaos Drosinos, Vasileios Karakasis, Nectarios Koziris

Proceedings of the 21th International Parallel and Distributed Processing Symposium (IPDPS 2007), 2007

2006

Data Mining based on Gene Expression Programming and Clonal Selection.

Vasileios Karakasis, Andreas Stafylopatis

Proceedings of the IEEE International Conference on Evolutionary Computation, 2006