Status of the US LQCD Infrastructure Project

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1 Status of the US LQCD Infrastructure Project Bob Sugar Allhands Meeting, April 6-7, 2006 p.1/15

2 Overview SciDAC-2 Proposal The LQCD Computing Project Allhands Meeting, April 6-7, 2006 p.2/15

3 SciDAC-2 Proposal Two areas of emphasis Software Hardware Research and Development Fourteen participating institutions Three national laboratories Eleven universities Allhands Meeting, April 6-7, 2006 p.3/15

4 Major Components of SciDAC-2 Software Machine specific software Infrastructure for physics applications Uniform computing environment Allhands Meeting, April 6-7, 2006 p.4/15

5 SciDAC Software Level 4 QCD Physics Toolbox Shared Algorithms, Building Blocks, Visualization, Performance Tools Workflow and Data Analysis tools Level 3 QOP (Optimized in asm) Dirac operators, inverters, force terms, etc. Uniform User Environment Runtime, accounting, grid tools Level 2 QDP (QCD Data Parallel) Lattice wide operations, Data shifts. Hides message passing/layout QIO (QCD IO) Binary/XML files & ILDG tools Level 1 QLA (QCD Linear Algebra) C, C++ and asm QMP (QCD Message Passing) MPI, native QCDOC, GigE, etc QMC (QCD multi core) Threaded interface and SMP lib Allhands Meeting, April 6-7, 2006 p.5/15

Uniform User Environment Runtime, accounting, grid tools Level 2 QDP (QCD Data Parallel) Lattice wide operations, Data shifts.

6 Increased Participation of Computer Scientists Ted Bapty (Vanderbilt): Monitoring and controlling large computers Massimo DiPierro (DePaul): Visualization Dan Reed and Ying Zheng (North Carolina): Performance analysis Xien-He Sun (IIT): Workflow for large physics analysis projects Allhands Meeting, April 6-7, 2006 p.6/15

Visualization Dan Reed and Ying Zheng (North Carolina): Performance analysis

7 Hardware Research and Development Investigation of Cluster Components Investigation of a specialized computer for lattice QCD Allhands Meeting, April 6-7, 2006 p.7/15

8 DOE Strategic Timelines High Energy Physics Program (2009): Use computer simulations to calculate strong interactions between particles so precisely that theoretical uncertainties no longer limit our understanding of their interactions. Nuclear Physics Program (2017): Provide precise lattice calculations to compare with established nucleon properties. Allhands Meeting, April 6-7, 2006 p.8/15

our understanding of their interactions.

9 Lattice QCD Computing Project Objectives Acquire the most capable and cost-effective hardware for lattice QCD on a yearly basis Operate the SciDAC Prototype clusters, QCDOC and hardware acquired in the Project Budget FY 2006 FY 2007 FY 2008 FY 2009 Hardware 1,850 1,694 1, Operations Total 2,500 2,500 2,500 1,700 Budget figures are in thousands of dollars. Allhands Meeting, April 6-7, 2006 p.9/15

Budget FY 2006 FY 2007 FY 2008 FY 2009 Hardware 1,850 1,694 1,630 798 Operations 650 806 870 902 Total

10 Plan for FY 2006 Baseline: October, 2005 SciDAC Prototype Clusters 1.7 Tflop/s QCDOC 4.2 Tflop/s FY 2006 JLab Cluster dual core Pentium 830-D Nodes Infiniband interconnect 0.6 Tflop/s $0.86 per Mflop/s FY 2006 FNAL Cluster 450 dual-core, dual-processor nodes Infiniband interconnect = 2.0 Tflop/s Allhands Meeting, April 6-7, 2006 p.10/15

11 Plan for FY 2007 Baseline: October 2006 Clusters 4.3 Tflop/s QCDOC 4.2 Tflop/s Large cluster at JLab Multi-core, multi-processor nodes Infiniband interconnect Milestone is 3.1 Tflop/s Allhands Meeting, April 6-7, 2006 p.11/15

12 Project Management Federal Project Manager: John Kogut Contract Project Manager: Don Holmgren Associate Contract Project Manger: Bakul Banerjee Site Mangers BNL: Tom Schlagel FNAL: Amitoj Singh JLab: Chip Watson Allhands Meeting, April 6-7, 2006 p.12/15

Manger: Bakul Banerjee Site Mangers BNL: Tom Schlagel FNAL:

13 Project with a Capitol P Well defined work responsibilities and budgets Regular reporting on progress in all aspects of the work Milestones which must be met Hardware acquisition Hardware operation Science Yearly submission of Exhibit 300 to the Office of Management and Budget Yearly project review Allhands Meeting, April 6-7, 2006 p.13/15

Hardware acquisition Hardware operation Science Yearly submission of Exhibit 300 to

14 Our Responsibilities Perform calculations that will have major impacts on research in high energy and nuclear physics Raise the visibility of our field in the broader physics community Provide data on our scientific progress in a timely fashion Enable Don Holmgren to report progress in meeting science milestones Enable John Kogut to keep interested parties within the DOE up to date on our progress Provide input on user needs to the project management Allhands Meeting, April 6-7, 2006 p.14/15

Enable Don Holmgren to report progress in meeting science milestones Enable John Kogut to keep interested parties within

15 HAPPY RETIREMENT JEFF Allhands Meeting, April 6-7, 2006 p.15/15

SciDAC Software Infrastructure for Lattice Gauge Theory

SciDAC Software Infrastructure for Lattice Gauge Theory DOE meeting on Strategic Plan --- April 15, 2002 Software Co-ordinating Committee Rich Brower --- --- Boston University Carleton DeTar --- --- University