Alumni of Dr. Elster's HPC Research Group at IDI/NTNU On this page you will find photos and infomation on alumni of The High-Performance Computing (HPC) Research Group at IDI/NTNU. Our group is part of the Algorithms, HPC and Graphics Group at the Dept. of Computer Science and Engineering at the Norwegian Univ. of Science and Technology. The group's founder is Dr. Anne C. Elster who is also its current leader.

Most of the HPC group members, fall 2006

Previous Master students Supervised by Dr. Elster -- Chronological Order:

• Dr. Henrik R. Nagel (2005-2007) -- NTNU HPC Group at ITEA (Computing Center)
• Dr. John P. Ryan (2010) -- pursuing other venues ioback in Ireland

	John Paul Ryan -- Post Doc (RSO) Topic: Heterogenous computing Dr. Ryan joined HPC-Lab March 1, 2010. He previously has lots of experiece on Cluster and Grid computing from Dublin, Ireland. He helped us get starting in our Heterogeneous Cloud project THOR before deciding to pursue other oportunities back in Ireland, Summer 2010.
	Dr. Henrik R. Nagel -- Researcher Dr. Nagel finished his Ph.D. in Electronic Engineering, Laboratory of Computer Vision and Media Technology, Aalborg University, Denmark in 2005. He has an M.S. in Physics with a minor in Computer Science from University of Aarhus, Denmark in 1994. While at Allborg he worked as an Assistant Professor, and has also been an HPC student and teacher at Dept. of Supercomputing, DGSCA, Universidad Nacional Autonoma de Mexico, Mexico (1997-1999) and a Programer at SynergiData, Denmark (Dec. 1996- Aug 1997) He was a Post Doc with Dr. Elster 2005-2007 and continued as a Researcher joint with ITEA spring & summer 2007. As of Sept. 1, 2007, he will be full-time at ITEA. His research focus is on using grid technology to integrate visualization and computations. Dr. Nagel also helped out with the organization of the SIMS 2005 conference that was held at NTNU in October 2005 and is the co-editor of its proceedings.

• Cyril Banino-Rokones (supervised 2003-2006, PhD 2007 -- Yahoo!

• Gaojie He (5th year fall project 2009)
• Jostein Tveit ( 5th year project 2002) -- BBS
• Paul Sack (honors BS project 2000, UT Austin)@ -- Summer jobs at NTNU HPC Center, IBM Yorktown and Intel; @ MS U of Illinois at Urbana-Champaign (UIUC) 2005, current PhD student at UIUC>

Some HPC-Lab Photos

HPC-Lab meeting June 15, 2010

HPC-Lab members -- March 2010 (Photo by Kai Dragland)

HPC Group Photo -- Spring 2007

In back from left: Nils Magnus Larsgård , Erik Axel Nielsen , Idar Borlaug , Thorvald Natvig, and Dr. Anne C. Elster (group leader)
In front from left: Thibault Collet , Christan Larsen , Knut Imar Hagen , and Henrik R. Nagel.
Dr. Jørn Amundsen and Jan Christian Meyer were not present in this Spring 2007 photo.

Some IDI/NTNU HPC group members, fall 2006

Master Students supervized by Dr. Anne C. Elster -- more details (inverse chronological alphabetic order)

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	Ahmed Aqrawi -- Master of Science student, IDI, NTNU Master thesis topic: Large seismic data processing on GPUs, Advisor: Elster, Co-advisor: Christian Larsen (Schlumberger Stavanger an d HPC-Lab alumn) Master project: "Three Dimensional Convolution of Large Data Sets o n Modern GPUs", Advisor: Elster, Co-advisor: Victor Aarre (Schlumberger Stavange r) Ahmed is student assistant (und.ass.) for TDT 4200, fall 2009 Ahmed also works as and NTNU IDI Student Ambassador
	Aleksander Gjermundsen -- Master of Technology student, IDI, NTNU Master's thesis topic: Sound Pre-processing on GPUs Master project "LBM vs. SOR Solvers on GPUs and Real-Time Sn ow Simulations", Fall 2009, Advisor: Elster on GPU
	Andreas Hysing -- Master of Technology student, IDI, NTNU Master project topic: Seismic processing on GPUs in collaboration with Statoil
	Øystein Krog -- Master of Technology student, IDI, NTNU Master project: SPH fluid modeling on GPU Master thesis topic: Avelanche modeling on GPUs
	Holger Ludvigsen -- Master of Technology student, IDI, NTNU Master project:" Ray tracing using NVIDIA Opitix", Advisor: Anne C. Elster, Fall 2009 Holger is student assistant (und.ass.) for TDT 4200 Parallel Comput ing (Fall 2009) Holger is student assistant (und.ass.) for TDT 4205 Compilers (Spri ng 2010) Holger is student assistant (stud.ass.) for Image processing (bilde teknikk) (Spring 2010) Holger Ludvigsen and Anne Elster to give short-paper "Real-Time Ray Tracing Using NVIDIA OptiX" at EuroGraphics in Norrköping, May 3-7, 2010.
	Eirik Ola Aksnes -- Potential PhD Applicant, IDI, NTNU Master project: "GPU Techniques for Porous Rock Visualization" joint with Henrik Hesland in collaboration Center for Intergrated Operations in the Petroleum Industry Masters thesis "Computational and Visualizational Techniques for Fl ows Through Porous Rocks on GPUs" -- Main Advisor: Anne C. Elster, 2009 SC'08 HPC-Lab booth duties TA for TDT 4200 Parallell Computing, spring 2009 Poster "Processing of Porous Rocks on Modern GPUs" at NOTUR 2009 "IBM 2009 EMEA Best Student Recognition Award" recipient (one of 3 from Norway) ParCo 2009 paper "Porus Rock Simulations and Lattice Boltzmann on GPUs" (PDF pre-print for personal use) by Erik Ola Aksnes and Anne C. Elster (both NTNU, Norway) which looked at using the Lattice Boltzman Method on large 3D datasets on GPUs for fluid similations There is a hope Eirik Ola will continue with his PhD at NTNU later this fall. or in 2011.
	Daniel Haugen -- Master of Technology student, IDI, NTNU Master project:"Lapped Orthogonal Transform Using Multiple GPUs", Fall 2008, Advisor: Elster, Co-advisor: Tore Fevang, Schlumberger Master thesis: "Seismic Data Compression and GPU Memory Latency" Advisor: Elster. co-advisor: Tore Fevang, Schlumberger SC'08 HPC-Lab booth duties
	Åsmund Herikstad -- Master of Technology student, IDI, NTNU Master thesis: "Parallel Techniques for Estimation and Correction of Aberration in Medi cal Ultrasound Imaging" , July 2009, Advisor: Anne C. Elster; Co-Supervisor: Svein-Erik Måsøy (NTNU Med.Tech) Master project topic: Sound processing on GPU, Fall 2008 SC'08 HPC-Lab booth duties
	Henrik Hesland -- Master of Technology student, IDI, NTNU Master project: "GPU Techniques for Porous Rock Visualization" joint with Eirik Ola Aksnes in collaboration with Center for Intergrated Operations in the Petroleum Industry Masters thesis title: "Visualizational and Computational Techniques for Seismic Processing of Porous Rocks on GPUs" SC'08 HPC-Lab booth duties Joining Accenture in Oslo late August 2009.
	Rune Hovland -- Master of Technology student, IDI, NTNU Master project: CPU - GPU performance metrics -- how to biult the best possible system configurations with modern components. Master thesis title: "Throughput Computing on Future GPUs " -- co-supervized by Assoc. Prof. Magnus Lie Hetland in collaboration with Fast/Microsoft. SC'08 HPC-Lab booth duties Poster "High Data Volumes and Streaming on Future GPU Systems" at NOTUR 2009 ParCo 2009 paper Throughput Computing on Future GPUs (PDF pre-print for personal use) by Hovland and Elster based on Hovland's MS thesis. Joined Sirius IT in Oslo, late summer 2009.
	Owe Johansen M. Technolgy, IDI, NTNU, July 2009 Master thesis: "Seismic Shot Processing on GPU" < Currently Assistant prof./Lektor -- Høyskolen i Nesna (Nesna College), Mo i Rana
	Daniele Spampinato -- PhD student at ETH, Zürich, Switzerland Master thesis: "Modelling Communication on Multiple GPU Systems" Summer 2009, Advi sor: Elster Master project: "Linear Optimizations with CUDA" Fall 2008, Advisor: Elster SC'08 HPC-Lab booth duties paper w/ Elster accepted to MTAAS'09 at IPDPS'09 Poster "Communication Challenges on Multi-GPU Systems" at NOTUR 2009 "IBM 2009 EMEA Best Student Recognition Award" recipient (one of 3 from Norway) ParCo 2009 paper "Modeling Multi-GPU Systems" (PDF pre-print for personal use) by Daniele G. Spampinato, Anne C. Elster and Thorvald Natvig (all from NTNU, Norway). Currently continuing to PhD at ETH in Zürich Feb. 2010 after finish ing his degree in Italy
	Rune Erlend Jensen -- Master of Infomatics(May 2009), PhD Applicant , IDI, NTNU Masters thesis title: "Techniques and Tools for Optimizing Codes on Modern Architectures: A Low-Level Approach", May 2009; Advisor: Anne C. Elster Poster at NOTUR 2008 Gave Code Optimization Tutorial at PARA'08 Joining CERN's OpenLab this summer (2009) At CERN until Sept 2009 and may be joining the HPC group again as a PhD student shortly.
	Robin Eidissen -- Master of Technology student, IDI, NTNU Master thesis: "Utilizing GPUs for Real-Time Visualization of Snow" Poster "Comparing Cg and CUDA Implementations of Selected Transform Algorithms" accepted at SC'08. Robin graduated in February 2009 and is currently working part-time for the HPC-group
	Andreas Bach -- Master of Technology student, IDI, NTNU MS Thesis: "Profiling and Optimizing a Seismic Application on Modern Architectures" Graduated Septemer 2008 and is now with Uninett Sigma
	Atle Rudshaug -- Master of Technology student, IDI, NTNU Masters thesis: "Profiling and Optimizing a Seismic Application" Master project topic (Fall 2007): Utilizing Grid Tools for Distributed Computing Supervised in colaboration with Yggdrasil AS Graduated June 2008 and is now working for Numerical Rocks, Trondheim.
	Idar Borlaug -- Master of Technology student, IDI, 2007 Master thesis: "Seismic Processing Using Parallel 3D FMM" Master project topic:" Parallelization of an Open Source Game" (with Knut Imar Hagen) Mr. Borlaug did his MS thesis in collaboration with Tore Fevang at Schlumberger, Trondheim. He graduated in June 2007 and is currently with Abeo.
	Thibault Collet -- Master of Technology student, IDI, 2007 Master thesis:"Massively Online Games with Food Chains" Mr. Collet holds a B.Sc. from France. He finished his MS thesis in July 2007.
	Knut Imar Hagen -- Master of Technology student, IDI, NTNU Master thesis: Fault-tolerance for MPI Codes on Computation Clusters, Master project topic:" Parallelization of of an Open Source Game" (with Idar Borlaug) Mr. Hagen did his project in collaboration with Statoil Reseach in Trondheim. He graduated in June 2007 and is currently at Abeo.
	Nils Magnus Larsgård -- Master of Technology student, IDI, 2007 Masters thesis: Framework for Converting MPI Codes to Hybrid OpenMP/MPI Codes Master project topic:"Benchmarking of Modern Supercomputers" Mr. Larsgård did his thesis in collaboration with IBM and the NTNU HPC group at ITEA (Computing Center). He graduated in June 2007 and is currently with IBM Sevices in Norway. >
	Christian Larsen -- Master of Technology student, IDI, NTNU Masters thesis: "Framework for Polygonial Structures Computations on Clusters" Master project (Fall 2006): "Utilizing GPUs on Cluster Computers" pdf Mr. Larsen was supervised in colaboration with Tore Fevang, Schlumberger Trondheim. He gave a poster at Stanford 50: State of the Art and Future Directions of Computational Mathematic s and Numerical Computing , March 29-31, Stanford, California, USA, and a seminar talk at UT Austin ECE in April 2007 related to his thesis work. He graduated in June 2007 and is currently working at Roxar in Stavanger on their Irap RMS product.
	Erik Axel Nielsen -- Master of Technology student, IDI, NTNU Masters thesis: "Realt-time Wavelet Filtering on the GPU" (May 2007) Master project (Fall 2006) was done with Prof. Bjørn Olstad as main advisor. The project and MS thesis were supervised in colaboration with Dr. Erik Steen, GE Healtcare. The methods developed in Mr. Nielsen's thesis have been incorporated into the next generation of ultrasound scanner from GE Healthcare to be released later this year (2007). He graduated in May 2007 and is currently working as a consultant in Oslo.
	Øystein Borg -- Master of Technology student, IDI, NTNU Master Thesis topic: "Dynamic Selction of MPI Intra-copy Routines Based on Program Characteristics" Mr. Borg received honorable mention for his thesis-related poster with Elster and Østvold (SCALI) and Bugge (SCALI) at the NOTUR 2006 conference. Mr. Borg is currently a Software Engineer at Western Geco. Master Report: "Dynamic Selection of MPI Intra-copy Routines Based on Program Characteristics"
	Ingar Saltvik -- Master of Technology student, IDI, NTNU Master Thesis:" Parallel Methods for Real-Time Visualization of Snow" Mr. Saltvik presented a paper with Elster and Nagel based on his MS thesis at PARA'06 which will be published in its LNCS proceedings. Mr. Saltvik is currently working for Fast Search & Transfer ASA
	Rune Johan Andresen -- Master of Tech. student, IDI, NTNU Master Thesis title: "HPC File Server Monitoring and Tuning" His thesis designed methods and scripts for intergrating the AFS HPC file server at CERN with a Oracle database that was used to enable analysis of volume accesses etc. for system tuning across file servers. Mr. Andresen was co-supervised by Rainer Toebbicke, IT-Division, CERN. His work was featured on a poster at NOTUR 2005.
	Håvard Bjerke -- Master of Techology student, IDI, NTNU Master Thesis: HPC Virtulization with Xen on Itanium Employer (fall 2006): CERN Mr. Bjerke was co-supervised by Sverre Jarp, CTO of Computing, CERN. His work was featured on a poster at NOTUR 2005.
	Andreas Braathen -- Master of Technology student, IDI, NTNU Master Thesis topic: Surveilance of Cluster Nodes Using Lemon During the summer of 2004, Mr. Braathen worked on a project that provided automatic software installation through using SmartFrog framework. His masters thesis Was co-supervised by Alastair Bland (CERN) and Jørn Amundsen (IDI). His work was featured on a poster at NOTUR 2005.
	Snorre Boasson -- MS Student, IDI, NTNU Master Thesis title: "Parallel I/O Issues" Pre-MS Project: Parallel Programming Modules Employer(2005): NTNIU's HPC Center (ITEA) Mr. Boasson has worked part-time for the CSE project as a webdesigner (2003). He completed his Masters thesis in June 2004 and is currently working as a staff member at NTNUs HPC center.
	Glenn Hisdal -- MS Student, IDI, NTNU Masters thesis: Service Discovery Techniques for Distributetd Systems using SmartFrog Mr. Hisdal received a grant from CERN to do part of Masters thesis there and was co-supervised by CTO of computing at CERN, Sverre Jarp. Mr. Hisdal was part of the CERN Openlab project summer 2003, co-sponsored by CERN and the Nordic Data Grid Facilities (NDGF). A report on his CERN work entitled "10Gb Ethernet Back-To-Back tests" is available at: link
	Tor Arvid Lund -- MS Student Masters thesis: Porting a Monte Carlo Code fom Shared Memory to Computational Cluster Computational Clusters Project: HPC benchmarking (with Morten Rodal) Mr. Lunds project was strongly related to the NOTURs ET Compentency project on Cluster Technologies. His project was done in collaborations with the Physics Department at NTNU. Mr. Lund is currently a Software Engineer at QSystems Retail AS.
	Jan Christian Meyer -- MS Student Master Thesis title: "Load-Balancing Visualization Servers" co-supervized with Dan Vasaru, Schlumberger VoxelVision. Project: Auto-tunable bit-reversal Mr. Meyer was on exchange to Estonia in 2001/2002. He was during fall 2003 doing work for the NOTUR Cluster project on merging technologies. He finished his MS thesis Summer 2004 and thereafter worked as a staff member at NTNUs HPC facility as well as the Dept of Computer and Info. Science. He is currently a Ph.D.-track student with Elster.
	Frode Nilsen -- MS Student Project: Grid/cluster technologies Masters thesis: Portal Development for Grid Computing His thesis was part of the NOTUR ET project on Grid computing. Mr. Nilsen did his B.S. at Oslo College and finished his Masters thesis June 2004.
	Morten Rodal -- MS Student Masters thesis topic: Scalability of Seismic Codes on Computational Clusters Project: HPC benchmarking (with Tor Arvid Lund) Mr. Rodals thesis work was done in collaboration with Statoil. He finished his thesis summer 2004.
	Einar Råberg Rosenvinge -- MS Student, IDI, NTNU Masteres thesis: "On-line Task Scheduling on Heterogeneous Clusters: An Experimental Study" pdf Project: Grid computing (co-supervised with Cyril Banino) Mr. Rosenvinges work was co-supervised with Ph.D. student Cyril Banino.An article based on some of this work was presented at PARA 2004, Lyngby, Denmark in June 2004. Einar finished his Masters thesis the same month. He is currently (2006) working for Yahoo! in Trondheim.
	Robin Holtet -- MS Student, IDI, NTNU Master Thesis: Communications-reducing Stencil-based Algorithms and Methods pdf Pre-MS Project: Parallel Program Modules (incl. Parallel Game of Life) Mr. Holtet was on exchange to Germany Spring 2002 where he worked with MPI. He completed his M.S. thesis in July 2003 and with Elster presented a poster at SC 2003 (SC 2003 has an almost 70% rejection rate for posters that year!) He was working half-time for the NTNU Computer Center which runs the main supercomputer systems in Norway, and half-time as a cluster sys. admin. for our department from summer 2003 until spring 2005. He is currently working in Oslo.
	Torbjørn Vik -- MS Student, IDI, NTNU Master Thesis: Real-Time Visualization of Smoke Pre-MS Project: Visualization of Smoke Torbjørn Vik was co-supervised with Torbjørn Hallgren (Elster was main advisor) Mr. Vik graduated with his M.S. degree in June 2003 and continued working with Dr. Elster on her Cluster project on a part-time basis as he explored his more artistic sides in the movie/graphics business during the fall 2003 semester. He has since Jan. 2004 been working at Schlumbeger's visualization group in Oslo.
	Åsmund Østvold -- MS Student, IDI, NTNU Masters Theis: "Tidsmåleteknikker for MPI kollektive kommunikasjonsoperasjoner Project: Benchmarking of HPC clusters Pre-MS Project: Benchmarking of HPC clusters His work was co-supervied by Dr. Elster and Håkon Bugge, SCALI , a high-performance clustering vendor. Mr. Østvold graduated with his M.S. degree in July 2003, and received a fellowship from the University of Minnesota for the 2003/2004 school year. Current Employer: SCALI

Other Students with strong connection to Dr. Elster:

	Gaojie He -- Master of Science student, IDI, NTNU Master project:" GPU Parallelization of the Gomoku Game Engine", Fall 2009, supervized by Elster Gaojie is currently doing his MS thesis with Prof. Kjetil Nørvåg
	Olav Fagerlund -- Master of Technology student, IDI, NTNU Master project: OpenCL vs. CUDA, Fall 2008, Advisor: Elster Master thesis topic: OpenCL -- with Prof. Lasse Natvig in collaborations with Japan, Fall 2009 SC'08 HPC-Lab booth duties Attending Apple Developer Conference in San Francisco, June 2009
	Åsumund Eldhuset -- Master of Technology student, IDI, NTNU Master project: "Edge Detection on GPUs Using CUDA" (supervized by Elster in collaboration with Schlumberger), Fall 2008 National IT-student (Årets IT-student) 2008 Åsmund did his MS thesis under Prof. Lasse Natvig as an honorary HPC-Lab member SC'08 booth duties for HPC-Lab
	Jostein Tveit -- MS project Student, IDI, NTNU Project: Secure MPI Employer (2005): BBS Trusted Services Mr. Tveit worked at BBS Trusted Services (Norwegian central electronic warehouse for banking) Summers 2002 and 2003, and did his MS thesis with them (contact: Tor Rustad, IT security at BBS) and Prof. Stig Frode Mjølsnes, Dept. of Telematics, NTNU. He completed his M.S. thesis by Jan 2004.
	Paul Sack -- Honor Thesis project, Univ. of Texas at Austin (summer 2001) Honors Project: MPI Multicasting Mr. Sack was working on HPC Benchmarking at NTNU sponsored by ITEA (May 27 through Sept. 20, 2002). He joined the MS/PhD program in C.S. at the Univ. of Illinois, Urbana-Champaign in January 2003. He now has a new hair cut:
	Rolv Inge Seehuus -- MS Student, IDI, NTNU (Co-advised with Torbjørn Hallgren (main advisor), IDI and Morten Eriksen, Systems in Motion) Project/MS Thesis topic: "Fysiskkbasert animasjon av fluider" (Physics-based Animation of Fluids) -- graduated Summer 2002 Mr. Seehus is currently a PhD student at NTNU on leave at Kongsberg SIM (Systems in Motion).

This page is maintained by : elster-at-idi.ntnu.no

It was last updated on August 16, 2007. Comments welcome.