Update on the DOE SciDAC Program Vicky White, DOE/HENP Lattice QCD Collaboration Meeting Jefferson Lab, Feb

Slide 2 2/1/2002SciDAC Lattice All-Hands Meeting, Jlab The SciDAC Program is alive and well and needs you to …  Present some scientific results - “tied” to SciDAC  Demonstrate the benefits of working collaboratively (together and with the Computer Scientists)  Help make the case for increased funding for the next stage of the program, Hardware and Networking Infrastructure (Topical Computing centers in your terms)

Slide 3 2/1/2002SciDAC Lattice All-Hands Meeting, Jlab SciDAC is an integrated program Across all the program offices of the Office of Science  Focus on large collaborative efforts  Interdisciplinary teams  Science through computation  Assistant Head of Office of Science for SciDAC

Slide 4 2/1/2002SciDAC Lattice All-Hands Meeting, Jlab Program Offices of the Office of Science 1)High Energy and Nuclear Physics (HENP) (Rosen) Division of High Energy Physics (O’Fallon) Division of Nuclear Physics (Kovar) 2)Basic Energy Sciences (BES) (Dehmer) Combustion, Computational chemistry, Materials, Geo ….. 3)Biological and Environment Research (BER) (Patrinos) Global Climate, Environment, Medical, Human genome…. 4)Fusion Energy Sciences (FES) (Davies) 5)Advanced Scientific Computing Research (ASCR) (Oliver) Computer Science, Applied Math, Facilities & Networks, Collaborative tools

Slide 5 2/1/2002SciDAC Lattice All-Hands Meeting, Jlab Office of Science (SC) Acting Head of SC – Jim Decker  Very positive and supportive of SciDAC  Wants to put it on the top-10 list Recent Previous SC heads  Mildred Dresselhaus  Martha Krebs Acting SciDAC Head – Dave Bader (BER) Recent Previous ScidDAC heads  Steve Eckstrand (FES) – acting  Thom Dunning --- the guy who got the program started

Slide 6 2/1/2002SciDAC Lattice All-Hands Meeting, Jlab Looking forward to new leadership Ray Orbach – nominated for Director of Office of Science  Awaiting confirmation Person identified (Computer Science) to take on SciDAC (March/April?)

Slide 7 2/1/2002SciDAC Lattice All-Hands Meeting, Jlab SciDAC Program Objective To make a step-function leap in our ability to use computation for scientific discovery in Theory Experiment Simulation and Computational Science 3-pronged integrated approach to scientific discovery the exploration of the fundamental processes of nature.

BES, BER FES, HENP ASCR Hardware Infrastructure Software Infrastructure SCIENTIFICSCIENTIFIC CODESCODES SIMULATIONSIMULATION OPERATINGOPERATING SYSTEMSYSTEM Data Analysis & Visualization Scientific Data Management Problem-solving Environments Programming Environments DATAGRIDSDATAGRIDS COLLABORATORIESCOLLABORATORIES MATHEMATICSMATHEMATICS COMPUTING SYSTEMS SOFTWARE Scientific Computing Infrastructure

Slide 9 2/1/2002SciDAC Lattice All-Hands Meeting, Jlab Budgets across Office of Science In FY2000 request was for $60M growing rapidly to $120M/ year FY2001 actual budget – total of $57.3M  ASCR $37.4 M (~ $3.15M -> HENP)  BES $ 1.9 M  BER $ 8.0 M  FES $ 3.0 M  HENP $ 6.9 M FY2002 pretty much flat-flat

Slide 10 2/1/2002SciDAC Lattice All-Hands Meeting, Jlab High Energy and Nuclear Physics SciDAC Program The HENP SciDAC program consists of 5 projects  Science and Simulation of Particle Accelerators complex and expensive tools used throughout DOE for scientific discovery  Supernova Science (2 projects) to discover the fundamental mechanisms of these complex natural systems  Lattice Gauge Theory calculations to test and explore the Standard Model (QCD) and to interpret NP and HEP experiment results  Particle Physics Data Grid (joint with ASCR) Collaborative tools for large geographical dispersed researchers needing access to data and computing resources

Slide 11 2/1/2002SciDAC Lattice All-Hands Meeting, Jlab High Energy and Nuclear Physics SciDAC Yearly Budgets The HENP SciDAC projects  Science and Simulation of Particle Accelerators $1.8M + $0.8M ASCR  Supernova Science (2 projects) $1.25M/year + $0.4 M ASCR $ 0.52M/year + $0.12M ASCR  Lattice Gauge Theory calculations $1.85M/year + $0.13M ASCR  Particle Physics Data Grid (joint with ASCR) $1.44 M + $1.7M ASCR

Slide 12 2/1/2002SciDAC Lattice All-Hands Meeting, Jlab SciDAC Project Portfolio – other offices Basic Energy Sciences ($2M)  Bunch (~ 11 ) of small awards Biological and Environmental ($8M)  Climate (~15 sub- awards) Fusion ($3M)  5 projects (1 carry-over) ASCR ($37M)  6 Grids & Portals  5 Networking  7 Integrated Software Infrastructure Centers (ISIC)  “Glue” money for integrating science projects with the ISIC and helping with other Computer Science holes  Some hardware

Slide 13 2/1/2002SciDAC Lattice All-Hands Meeting, Jlab Recent Principal Investigator (PI) meeting Was to be a grand kickoff meeting in Sep.  9/11 derailed that Held Jan 16/17 in Washington DC area Chance for  Support and interest of Jim Decker  Foster collaboration – use ISICs, cross fertilization

Slide 14 2/1/2002SciDAC Lattice All-Hands Meeting, Jlab Challenges for HENP SciDAC Extend our traditions of huge international collaborations for experimental science into Theory and Computational Science  work in multi-disciplinary teams, build community codes to deal with the size and complexity of the problems  apply innovative math and computing techniques and algorithms to problems  work effectively together (Collaborative Tools/Grid) Strive for science deliverables soon and harness all the human and computing resources to meet the science goals

Slide 15 2/1/2002SciDAC Lattice All-Hands Meeting, Jlab Challenges for HENP SciDAC Evolve the scientific codes to run on the multi-Teraflop computers of tomorrow  Portable, scalable codes that can use today’s resources for scientific discovery and be prepared for the next generation of computing resources  Well layered, structured and supported community-wide codes  Instrumented codes to optimize performance and understand the type of computers that will meet the needs in the most cost effective manner

Slide 16 2/1/2002SciDAC Lattice All-Hands Meeting, Jlab Presentations from 2 of the HENP SciDAC projects Both have gone a long way in forming true multi- disciplinary collaborations with strong ties to applied mathematicians and computer scientists Both have scientific goals with some short-term results expected, that they will tell you about  Shedding New Light on Exploding Stars: Terascale Simulations of Neutrino-Driven Supernovae and their Nucleosynthesis (Mezzacappa – PI)  Advanced Computing for 21 st Century Accelerator Science and Technology (Ryne, Ko – PIs)

Slide 17 2/1/2002SciDAC Lattice All-Hands Meeting, Jlab SciDAC center for Supernova Research (Woosley – PI) Funding for 2 labs and 2 universities Good start on multi- disciplinary team  Many applied math and computing challenges  Synergy with other projects? Impact of a supernova on an adjacent star

Slide 18 2/1/2002SciDAC Lattice All-Hands Meeting, Jlab National Computational Infrastructure for Lattice Gauge Theory (Sugar- PI) Huge strides made in collaborative approach  + starting to work with computer scientists on performance metrics and optimization of code Accurate computations of important scientific constants requires tens of Tflop years  Need highly cost-effective Topical Computing Centers for Lattice QCD – aiming at below $1/Mflop and targeting two different machine architectures – (1) Custom built for QCD and (2) Commodity PC Clusters with low latency networking

Slide 19 2/1/2002SciDAC Lattice All-Hands Meeting, Jlab Results from PI meeting HENP Posters were a great success HENP Presentations went down very well  Material from Mezzacappa presentation used by senior ASCR person in recent talk Very good HENP visibility  Many mentions in others talks. Every ISIC effort strongly driven by an HENP application  Many connections to Computer Science efforts Nice words from Ed Oliver

Slide 20 2/1/2002SciDAC Lattice All-Hands Meeting, Jlab Budgets across Office of Science In FY2000 request was for $60M growing rapidly to $120M/ year FY2001 actual budget – total of $57.3M  ASCR $37.4 M (~ $3.15M -> HENP)  BES $ 1.9 M  BER $ 8.0 M  FES $ 3.0 M  HENP $ 6.9 M FY2002 pretty much flat-flat

Slide 21 2/1/2002SciDAC Lattice All-Hands Meeting, Jlab The SciDAC Program is alive and well and needs you to …  Present some scientific results - “tied” to SciDAC  Demonstrate the benefits of working collaboratively (together and with the Computer Scientists)  Help make the case for increased funding for the next stage of the program, Hardware and Networking Infrastructure (Topical Computing centers in your terms)