1. 11 January 2005 High Performance Computing at NCAR Tom Bettge Deputy Director Scientific Computing Division National Center for Atmospheric Research Boulder, CO USA bettge@ucar.edu

2. 11 January 2005 Outline Current Events / News Current Computing Capacity at NCAR Future Computing Capacity at NCAR

3. 11 January 2005 Current Events / News IBM Power3 blackforest decommissioned Jan 10 (yesterday!) IBM e325 Linux Cluster lightning begins production Feb 1 Machine Room Shutdowns: –Feb 24-27:Chiller Upgrade Phase II –May (1 day):Chiller Upgrade Phase III Introduction of LSF to manage batch submissions, scheduling, and accounting (not bluesky).

4. 11 January 2005 Current HPC Environment….

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6. New Linux Cluster: lightning Linux Cluster –256 processors (128 dual node configuration) –2.2 GHz AMD Opteron processors –4 GB/node –Myricom Myrinet interconnect –6 TByte FastT500 RAID with GPFS Performance Characteristics –40% faster than bluesky (1.3 GHz POWER4) cluster on parallel POP and CAM simulations –75 Gflops on WRF benchmark (full system) Accounts –email consult1@ucar.educonsult1@ucar.edu –provide short description of tasks, codes, job sizes

7. 11 January 2005 Computing Demand Science Driving Demand for Scientific Computing Summer 2004: CSL Requests 1.5x Availability Sept 2004: NCARRequests 2x Availability Sept 2004: University Requests 3x Availability

8. 11 January 2005 Supercomputers are well utilized...... yet average job queue-wait times * are measured in minutes, not hours or days Sep ’ 04FY04 Bluesky 8-way LPARs 91%88% Bluesky 32-way LPARs 98%93% (Regular Queue) CSLCommunity Bluesky 8- way 86m31m Bluesky 32- way 40m34m Servicing the Demand * September 2004 average

9. 11 January 2005 Future HPC at NCAR……

10. 11 January 2005 NCAR/SCD 1 50 100 200 250 300 350 150 Position Year 1996 Procurement IBM Power3

11. 11 January 2005 SCD Strategic Plan: High-End Computing Within the current funding envelop, achieve a 25-fold increase over current sustained computing capacity in five years. SCD intends as well to pursue opportunities for substantial additional funding for computational equipment and infrastructure to support the realization of demanding institutional science objectives. SCD will continue to investigate and acquire experimental hardware and software systems. IBM Linux Cluster IBM BlueGene/L (~ 4+ fold in 1Q2006) 1Q2005

12. 11 January 2005 SCD Target Capacity

13. 11 January 2005 Mass Storage Archival…..

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15. Scientific Computing Division Strategic Plan 2005-2009 www.scd.ucar.edu to serve the computing, research and data management needs of atmospheric and related sciences.

16. 11 January 2005 Questions