Vasileios Karakasis

22 papers A 3B 3C 3Journal 8Unranked 5
YearRankTypeTitle / Venue / Authors
2021 J jnl
An optimisation of allreduce communication in message-passing systems.
Parallel Comput.
Andreas Jocksch, Noé Ohana, Emmanuel Lanti, Eirini Koutsaniti, Vasileios Karakasis, Laurent Villard
2020 J jnl
Cray programming environments within containers on Cray XC systems.
Concurr. Comput. Pract. Exp.
Maxime Martinasso, Miguel Gila, William Sawyer, Rafael Sarmiento-Pérez, Guilherme Peretti-Pezzi, Vasileios Karakasis
2020 J jnl
Optimised allgatherv, reduce_scatter and allreduce communication in message-passing systems.
CoRR
Andreas Jocksch, Noé Ohana, Emmanuel Lanti, Vasileios Karakasis, Laurent Villard
2019 C conf
Arbor - A Morphologically-Detailed Neural Network Simulation Library for Contemporary High-Performance Computing Architectures.
PDP
Nora Abi Akar, Ben Cumming, Vasileios Karakasis, Anne Küsters, Wouter Klijn, Alexander Peyser, Stuart Yates
2019 — conf
Enabling Continuous Testing of HPC Systems Using ReFrame.
HUST/SE-HER/WIHPC@SC
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
2018 J jnl
SparseX: A Library for High-Performance Sparse Matrix-Vector Multiplication on Multicore Platforms.
ACM Trans. Math. Softw.
Athena Elafrou, Vasileios Karakasis, Theodoros Gkountouvas, Kornilios Kourtis, Georgios I. Goumas, Nectarios Koziris
2017 — conf
Performance Optimisation of Smoothed Particle Hydrodynamics Algorithms for Multi/Many-Core Architectures.
HPCS
Fabio Baruffa, Luigi Iapichino, Nicolay J. Hammer, Vasileios Karakasis
2016 J jnl
Performance Optimisation of Smoothed Particle Hydrodynamics Algorithms for Multi/Many-Core Architectures.
CoRR
Fabio Baruffa, Luigi Iapichino, Nicolay J. Hammer, Vasileios Karakasis
2013 J jnl
An Extended Compression Format for the Optimization of Sparse Matrix-Vector Multiplication.
IEEE Trans. Parallel Distributed Syst.
Vasileios Karakasis, Theodoros Gkountouvas, Kornilios Kourtis, Georgios I. Goumas, Nectarios Koziris
2013 — conf
Energy-Efficient Sparse Matrix Autotuning with CSX - A Trade-off Study.
IPDPS Workshops
Jan Christian Meyer, Juan M. Cebrian, Lasse Natvig, Vasileios Karakasis, Dimitris Siakavaras, Konstantinos Nikas
2013 A conf
Improving the Performance of the Symmetric Sparse Matrix-Vector Multiplication in Multicore.
IPDPS
Theodoros Gkountouvas, Vasileios Karakasis, Kornilios Kourtis, Georgios I. Goumas, Nectarios Koziris
2012 — conf
Using State-of-the-Art Sparse Matrix Optimizations for Accelerating the Performance of Multiphysics Simulations.
PARA
Vasileios Karakasis, Georgios I. Goumas, Konstantinos Nikas, Nectarios Koziris, Juha Ruokolainen, Peter Råback
2011 B conf
CSX: an extended compression format for spmv on shared memory systems.
PPoPP
Kornilios Kourtis, Vasileios Karakasis, Georgios I. Goumas, Nectarios Koziris
2009 — conf
A Comparative Study of Blocking Storage Methods for Sparse Matrices on Multicore Architectures.
CSE (1)
Vasileios Karakasis, Georgios I. Goumas, Nectarios Koziris
2009 A conf
Exploring the effect of block shapes on the performance of sparse kernels.
IPDPS
Vasileios Karakasis, Georgios I. Goumas, Nectarios Koziris
2009 B conf
Perfomance Models for Blocked Sparse Matrix-Vector Multiplication Kernels.
ICPP
Vasileios Karakasis, Georgios I. Goumas, Nectarios Koziris
2009 J jnl
Performance evaluation of the sparse matrix-vector multiplication on modern architectures.
J. Supercomput.
Georgios I. Goumas, Kornilios Kourtis, Nikos Anastopoulos, Vasileios Karakasis, Nectarios Koziris
2008 C conf
Clonal Selection-Based Neural Classifier.
HIS
Aris Lanaridis, Vasileios Karakasis, Andreas Stafylopatis
2008 J jnl
Efficient Evolution of Accurate Classification Rules Using a Combination of Gene Expression Programming and Clonal Selection.
IEEE Trans. Evol. Comput.
Vasileios Karakasis, Andreas Stafylopatis
2008 C conf
Understanding the Performance of Sparse Matrix-Vector Multiplication.
PDP
Georgios I. Goumas, Kornilios Kourtis, Nikos Anastopoulos, Vasileios Karakasis, Nectarios Koziris
2007 A conf
Coarse-grain Parallel Execution for 2-dimensional PDE Problems.
IPDPS
Georgios I. Goumas, Nikolaos Drosinos, Vasileios Karakasis, Nectarios Koziris
2006 B conf
Data Mining based on Gene Expression Programming and Clonal Selection.
IEEE Congress on Evolutionary Computation
Vasileios Karakasis, Andreas Stafylopatis