1. Welcome – Glenn Bresnahan Scientific Computing and Visualization: Linux Clusters and Tiled Display Walls July 30 – August 1, 2002 Slide 1 Scientific Computing and Visualization: Linux Clusters and Tiled Display Walls Glenn Bresnahan glenn@bu.edu

2. Welcome – Glenn Bresnahan Scientific Computing and Visualization: Linux Clusters and Tiled Display Walls July 30 – August 1, 2002 Slide 2 BU Scientific Computing Environment DesktopDepartmental Computing High-end Visualization HPC ~1982Ascii terminalVAX w/ UnixVAX/PDP-11 RasterTech Mainframe w/ vector ~1989Xterminal, Sun workstation Unix server (Sun, etc) SGI mp workstation CM-2 ~1996SGI workstationSGI or Sun server SGI OnyxSGI Origin 2002+Intel-based PC (Win + Linux) Unix server, Linux cluster Linux clusterIBM P3/P4, Linux cluster

3. Welcome – Glenn Bresnahan Scientific Computing and Visualization: Linux Clusters and Tiled Display Walls July 30 – August 1, 2002 Slide 3 SCV Linux Clusters IBM cluster –56 dual processor compute nodes (1 GHz P3) –24 graphics nodes (1.7 GHz P4) –Myrinet interconnect GiB cluster –Grid-in-a-Box test-bed Atlas test cluster –Atlas/CMS test cluster

4. Welcome – Glenn Bresnahan Scientific Computing and Visualization: Linux Clusters and Tiled Display Walls July 30 – August 1, 2002 Slide 4 Linux on the Desktop Hardware Software Configuration Performance Applications and techniques

5. Welcome – Glenn Bresnahan Scientific Computing and Visualization: Linux Clusters and Tiled Display Walls July 30 – August 1, 2002 Slide 5 Linux in Visualization High-end visualization –Big data, high-resolution, immersion Clusters and tiled displays –Deep Vision Display Wall (stereoscopic, cluster driven, tiled display wall) –Tiled displays and the Access Grid VR/VE on the AG –http://scv.bu.edu/HiPArt/GoGrid/ AG on cluster-based, tiled display walls

6. Welcome – Glenn Bresnahan Scientific Computing and Visualization: Linux Clusters and Tiled Display Walls July 30 – August 1, 2002 Slide 6 VR/AG Bridging view renderer audio renderer AG node navigation video bridge DAFFIE Multicast viewer AG audio AG node

7. Welcome – Glenn Bresnahan Scientific Computing and Visualization: Linux Clusters and Tiled Display Walls July 30 – August 1, 2002 Slide 7 Linux in HPC Compilers Batch systems Performance tuning Multiprocessing on clusters

8. Welcome – Glenn Bresnahan Scientific Computing and Visualization: Linux Clusters and Tiled Display Walls July 30 – August 1, 2002 Slide 8 Agenda - Tuesday 1:00-1:20Welcome and Overview 1:20-2:20Graphics hardware and software under Linux 2:20-2:40Break 2:40-3:50Tiled display walls using Linux clusters - Building, using and maintaining a wall 3:50-4:20Tiled display walls - Integration of spatial audio 4:20-4:50Tiled display walls - Relation to the Access Grid and other systems 4:50-5:00Wrap up

9. Welcome – Glenn Bresnahan Scientific Computing and Visualization: Linux Clusters and Tiled Display Walls July 30 – August 1, 2002 Slide 9 Agenda - Wednesday 10:00-12:00Demonstration of Deep Vision Display Wall 12:00-1:00Lunch Break 1:00-2:00Overview of scientific computing and Linux clusters 2:00-3:00Visualization of scientific data under Linux - Techniques and data wrangling 3:00-3:15Break 3:15-3:35Visualization of scientific data - Domain-specific applications 3:35-4:05Visualization of scientific data - Case histories 4:05-4:15Wrap up

10. Welcome – Glenn Bresnahan Scientific Computing and Visualization: Linux Clusters and Tiled Display Walls July 30 – August 1, 2002 Slide 10 Agenda – Thursday 9:00-10:00High Performance Computing on Linux Clusters 10:00-12:00Introduction to MPI 12:00-2:00Lunch Break 2:00-3:15Intermediate MPI 3:15-3:30Break 3:30-5:00Intermediate MPI (continued) [Note: Thursday sessions not available on AG]