Opening Workshop DAS-2 (Distributed ASCI Supercomputer 2) Project vrije Universiteit Program 10.00 - 11.00 - Onno Boxma (NWO-GBE, Eindhoven Univ. of Technology) Opening - Ian Foster (Argonne National Laboratory) Open Grid Services Architecture 11.30 - 11.40 Henri Bal (VU) - Introduction DAS-2 11.40 - 12.00 John Romein (VU) - Retrograde analysis 12.00 - 12.30 Dick Epema (Delft) - Processor co-allocation 13.45 - 14.30 Daron Green (IBM) - IBM and Grid computing 14.30 - 15.00 Adam Belloum (Amsterdam) - Virtual laboratories 15.30 - 16.00 Herbert Bos & Lex Wolters (Leiden) - Education 16.00 - 16.30 Aad van der Steen (Utrecht) - Distributed data assimilation Distributed ASCI Supercomputer 2 (DAS-2) Henri Bal Vrije Universiteit Amsterdam Faculty of Sciences Distributed ASCI Supercomputer (1) • Shared testbed for research on parallel and distributed computing - Set up by ASCI research school in 1997 - Geographically distributed cluster-based system - 4 clusters with 200 nodes in total - Homogeneous (same processors, network, OS) • Opening workshop: 2 March 1998 - Carl Kesselman, Andrew Grimshaw Second testbed: DAS-2 • ASCI obtained funding from N.W.O. in June 2000 • ASCI committee to do detailed design and selection - Henri Bal, Bob Hertzberger, Henk Sips, Lex Wolters, Aad van der Steen, Cees de Laat • Decisions - Homogeneous architecture - Nodes: dual Pentium-IIIs (SMPs) - Network: Myrinet + Ethernet (OS) - OS (Linux) - Vendor (IBM), configuration, …. • Installation by IBM: November 2001 VU (72) Amsterdam (32) DAS-2 GigaPort Leiden (32) Delft (32) Utrecht (32) 200 SMP nodes (IBM xSeries) with two 1GHz Pentium-IIIs, 1 Gbyte memory Systems research in ASCI • • • • • • • • • • Distributed supercomputing (Albatross) Mapping data-parallel programs (AUTOMAP) Compilers for distributed/embedded systems (JOSES) High-performance Java (Manta) Middleware for scalable wide-area applications (Globe) Distributed web caching Dynamic task migration (Dynamite) Resource management in wide-area systems Quality of Service Authentication, Authorization, and Accounting (AAA) Applications research in ASCI • • • • • • • • Virtual laboratories (VL) Image processing (PILE) Weather forecasting (Hirlam) Search in large image databases Ubiquitous communications (UBICOM) N-body simulations (GRAPE) Web servers Autonomous interacting robots (AIR) DAS-2 Application performance • Case study: endgame databases for Awari • 1995 (Bal & Allis, Supercomputing’95): - Computed database with 5 108 entries on 80-node MicroSparc cluster (predecessor of DAS-1) • 2002 (Romein & Bal): - See how far we get on DAS-2 towards solving the entire game (9 1012 entries) ….