1. Grid Research in Ireland Brian Coghlan, Trinity College Dublin John Morrison, University College Cork Andy Shearer, NUI Galway Michael Manzke, Trinity College Dublin PDPTA 27-JUN-2001

2. Grid-Ireland; Page 2 Grid Research in Europe Now merged with: The major European Grid project led by CERN Grid for Industrial Use of European Networks Large numerical applications

3. PDPTA 27-JUN-2001 Grid-Ireland; Page 3 Grid-Ireland [www.grid-ireland.org] Pilot OCT-1999 : Dublin-----Cork Funding approved APR-2000 : TCD / UCC / NUIG Formally started 1-OCT-2000 Funded to establish Irish grid And to start fundamental research: system models execution models algorithms Informally associated with Informally associated with: Dublin Galway Cork

4. PDPTA 27-JUN-2001 Grid-Ireland; Page 4 Understanding the grid is a very dynamic system its behaviour is poorly understood effective control requires knowledge need: monitoring analysis models prediction focus of Trinity College Dublin

5. PDPTA 27-JUN-2001 Grid-Ireland; Page 5 Evolution Grid programming execution models are control-driven shared memory inefficient && convenient evolution: hybrid memory grid SHM for weak data flows grid MPI for strong data flows focus of Trinity College Dublin message passing: efficient && inconvenient

6. PDPTA 27-JUN-2001 Grid-Ireland; Page 6 Revolution Condensed Graphs Implementation Spectrum FPGAs Workstation Linux Kernel WebCom Grid Cyclone PVM Move away from control-driven models S cc s c s Condensed Graphs on grids superset of dataflow & demand-driven models easy transformation from other models focus of University College Cork

7. PDPTA 27-JUN-2001 Grid-Ireland; Page 7 Algorithms explore via medical imaging two applications: Present algorithms are unsuited to Grid adaptive mesh simulation focus of NUI Galway Monte-Carlo for radiotherapy

8. PDPTA 27-JUN-2001 Grid-Ireland; Page 8 Grid-Ireland June 2001: 3 institutions 4 research themes By December 2001: 9 institutions 15 research themes computer science medical imaging astrophysics meteorology geophysics ….

9. PDPTA 27-JUN-2001 Grid-Ireland; Page 9 The Future Collaborative applications Computing portals Inter-domain ultra-large compute engines Inter-domain data fusion Inter-domain data dissemination Inter-domain process control ….