Jan Westerholm

28 papers C 9Journal 15Unranked 3
YearRankTypeTitle / Venue / Authors
2021 J jnl
Partition of Marine Environment Dynamics According to Remote Sensing Reflectance and Relations of Dynamics to Physical Factors.
Remote. Sens.
Tapio Suominen, Jan Westerholm, Risto Kalliola, Jenni Attila
2020 J jnl
Dating flowering cycles of Amazonian bamboo-dominated forests by supervised Landsat time series segmentation.
Int. J. Appl. Earth Obs. Geoinformation
Jasper Van doninck, Jan Westerholm, Kalle Ruokolainen, Hanna Tuomisto, Risto Kalliola
2019 J jnl
High-performance SIMD implementation of the lattice-Boltzmann method on the Xeon Phi processor.
Concurr. Comput. Pract. Exp.
Fredrik Robertsen, Keijo Mattila, Jan Westerholm
2018 J jnl
A compiler approach to map algebra: automatic parallelization, locality optimization, and GPU acceleration of raster spatial analysis.
GeoInformatica
Jesús Carabaño, Jan Westerholm, Tapani Sarjakoski
2018 J jnl
Online Fault Identification of Digital Hydraulic Valves Using a Combined Model-Based and Data-Driven Approach.
CoRR
Johan Ersfolk, Miika Ahopelto, Wictor Lund, Jonatan Wiik, Marina Waldén, Matti Linjama, Jan Westerholm
2017 J jnl
Designing a graphics processing unit accelerated petaflop capable lattice Boltzmann solver: Read aligned data layouts and asynchronous communication.
Int. J. High Perform. Comput. Appl.
Fredrik Robertsen, Jan Westerholm, Keijo Mattila
2017 C conf
From Python Scripting to Parallel Spatial Modeling: Cellular Automata Simulations of Land Use, Hydrology and Pest Dynamics.
PDP
Jesús Carabaño, Jan Westerholm
2016 J jnl
A prospect for computing in porous materials research: Very large fluid flow simulations.
J. Comput. Sci.
Keijo Mattila, Tuomas Puurtinen, Jari Hyväluoma, Rodrigo Surmas, Markko Myllys, Tuomas Turpeinen, Fredrik Robertsen, Jan Westerholm, Jussi Timonen
2016 J jnl
Parallel flow accumulation algorithms for graphical processing units with application to RUSLE model.
Comput. Geosci.
Johan Sten, Harri Lilja, Jari Hyväluoma, Jan Westerholm, Mats Aspnäs
2015 C conf
Efficient Implementation of a Fast Viewshed Algorithm on SIMD Architectures.
PDP
Jesús Carabaño Bravo, Tapani Sarjakoski, Jan Westerholm
2015 J jnl
Generating Heat Maps of Popular Routes Online from Massive Mobile Sports Tracking Application Data in Milliseconds While Respecting Privacy.
ISPRS Int. J. Geo Inf.
Jani Sainio, Jan Westerholm, Juha Oksanen
2015 C conf
Lattice Boltzmann Simulations at Petascale on Multi-GPU Systems with Asynchronous Data Transfer and Strictly Enforced Memory Read Alignment.
PDP
Fredrik Robertsen, Jan Westerholm, Keijo Mattila
2014 J jnl
A full graphics processing unit implementation of uncertainty-aware drainage basin delineation.
Comput. Geosci.
David Eränen, Juha Oksanen, Jan Westerholm, Tapani Sarjakoski
2012 — conf
Preparing Scientific Application Software for Exascale Computing.
PARA
J. A. Åström, Adam C. Carter, James Hetherington, K. Ioakimidis, Erik Lindahl, G. Mozdzynski, Rupert W. Nash, Philipp Schlatter, Artur Signell, Jan Westerholm
2011 C conf
Parallel Optimisation Strategies for Fusion Codes.
PDP
Adrian Jackson, Fiona Reid, Stephen Booth, Joachim Hein, Jan Westerholm, Mats Aspnäs, Miquel Catala, Alejandro Soba
2011 C conf
SSE Vectorized and GPU Implementations of Arakawa's Formula for Numerical Integration of Equations of Fluid Motion.
PDP
Evren Yurtesen, Matti Ropo, Mats Aspnäs, Jan Westerholm
2010 C conf
A European Infrastructure for Fusion Simulations.
PDP
Per Strand, Bernard Guillerminet, Isabel Campos Plasencia, José M. Cela, Rui Coelho, David Coster, Lars-Goran Eriksson, Matthieu Haefele, Francesco Iannone, Frederic Imbeaux, Adrian Jackson, Gabriele Manduchi, Michal Owsiak, Marcin Plóciennik, Alejandro Soba, Eric Sonnendrücker, Jan Westerholm
2010 J jnl
Code Optimization of the Subroutine to Remove Near Identical Matches in the Sequence Database Homology Search Tool PSI-BLAST.
J. Comput. Biol.
Mats Aspnäs, Kimmo Mattila, Kristoffer Osowski, Jan Westerholm
2010 C conf
EUFORIA HPC: Massive Parallelisation for Fusion Community.
PDP
Adrian Jackson, Adam C. Carter, Joachim Hein, Jan Westerholm, Mats Aspnäs, Matti Ropo, Alejandro Soba
2010 C conf
PIC/MC Code BIT1 for Plasma Simulations on HPC.
PDP
David Tskhakaya, Alejandro Soba, Ralf Schneider, Matthias Borchardt, Evren Yurtesen, Jan Westerholm
2010 J jnl
Parallelization, Spatial Decomposition and Load Balancing of a Single Tree Level Forest Dynamics Simulator.
Math. Comput. For. Nat. Resour. Sci.
Artur Signell, Johan Schöring, Mats Aspnäs, Jan Westerholm
2010 J jnl
Scalable Height Field Self-Shadowing.
Comput. Graph. Forum
Ville Timonen, Jan Westerholm
2009 — ed.
Recent Advances in Parallel Virtual Machine and Message Passing Interface, 16th European PVM/MPI Users' Group Meeting, Espoo, Finland, September 7-10, 2009. Proceedings
PVM/MPI
Matti Ropo, Jan Westerholm, Jack J. Dongarra
2008 J jnl
Scalable plasma simulation with ELMFIRE using efficient data structures for process communication.
Comput. Phys. Commun.
Artur Signell, Francisco Ogando, Mats Aspnäs, Jan Westerholm
2007 J jnl
An efficient swap algorithm for the lattice Boltzmann method.
Comput. Phys. Commun.
Keijo Mattila, Jari Hyväluoma, Tuomo Rossi, Mats Aspnäs, Jan Westerholm
2006 — conf
Efficient Assembly of Sparse Matrices Using Hashing.
PARA
Mats Aspnäs, Artur Signell, Jan Westerholm
2004 — conf
Hardware Accelerated Soft Shadows using Penumbra Quads.
WSCG
Jukka Arvo, Jan Westerholm
2002 C conf
Symbolic Simulation of Hybrid Systems.
APSEC
Ralph-Johan Back, Cristina Cerschi Seceleanu, Jan Westerholm