Jülich Supercomputing Centre

Transcription

1 Mitglied der Helmholtz-Gemeinschaft Jülich Supercomputing Centre Norbert Attig Jülich Supercomputing Centre (JSC)

2 Forschungszentrum Jülich (FZJ) Aug 26, 2009 DOAG Regionaltreffen NRW 2

3 Supercomputing at Forschungszentrum Jülich Supercomputing is being supported by the Jülich Supercomputing Centre (JSC) The main tasks of JSC are: Operation of the supercomputers for local, national and European scientists. User support in programming and optimisation of applications, support of research groups from different research domains by means of simulation laboratories R&D work on new computer architectures, algorithms, performance analysis and tools, GRID computing, etc. Education and training of users, education of students (bachelor and master courses, PhD programmes) Aug 26, 2009 DOAG Regionaltreffen NRW 3

4 Jülich Supercomputing Centre (JSC) Aug 26, 2009 DOAG Regionaltreffen NRW 4

5 Part 1 Supercomputers Aug 26, 2009 DOAG Regionaltreffen NRW 5

6 Supercomputer Systems: Dual Concept 2004 IBM Power 4+ JUMP, 9 TFlop/s 2005/6 IBM Blue Gene/L JUBL, 45 TFlop/s 2007/8 File Server GPFS IBM Blue Gene/P JUGENE, 223 TFlop/s 2009 File Server GPFS, Lustre General-Purpose Highly-Scalable Aug 26, 2009 DOAG Regionaltreffen NRW 6

7 JUGENE: Jülich s Scalable Petaflop System IBM Blue Gene/P JUGENE 32-bit PowerPC 450 core 850 MHz, 4-way SMP 72 racks, 294,912 procs 1,00 Petaflop/s peak 0,82 Petaflop/s Linpack 144 TByte main memory connected to a Global Parallel File System (GPFS) with 5 PByte online disk capacity and up to 25 PByte offline tape capacity Torus network First Petaflop system in Europe, no 3 in Top500 (June 2009) Aug 26, 2009 DOAG Regionaltreffen NRW 7

8 JUROPA: Jülich s General-Purpose Supercomputer JUROPA, an Intel-based cluster 2 Intel Nehalem quad-core processors, 2.93 GHz, SMT 2,208 compute nodes, 17,664 cores 207 Teraflop/s peak 184 Teraflop/s Linpack 52 TByte memory Mellanox Infiniband QDR with non-blocking Fat Tree topology 500 TByte disk storage on Lustre file system, connected to GPFS JUROPA designed in co-development with HPC companies JUROPA serves as prototype for HPC-FF, U. of Cambridge, CHPC (Cape Town), PRACE Aug 26, 2009 DOAG Regionaltreffen NRW 8

9 HPC-FF High-Performance Computer for Fusion Intel-based Linux cluster identical in construction with JUROPA 1,080 compute nodes 101 Teraflop/s peak 87 Teraflop/s Linpack funded by EU, EFDA and FZJ dedicated to European fusion community HPC-FF and JUROPA can be used as a single system 308 Teraflop/s peak 275 Teraflop/s Linpack, no 10 in Top500 (June 2009) Aug 26, 2009 DOAG Regionaltreffen NRW 9

10 Supercomputer Installation Aug 26, 2009 DOAG Regionaltreffen NRW 10

11 Part 2 Users and Applications Aug 26, 2009 DOAG Regionaltreffen NRW 11

12 National and European User Groups Chemistry Many Particle Physics Elementary Particle Physics Biology/Biophysics Biophysics Material Science Soft Matter Other Soft Matter Composites DEISA I3HP Jülich Initiative Other Proposals for computer time accepted from Germany and Europe Peer review by international referees Allocated by an independent Scientific Council (NIC) Aug 26, 2009 DOAG Regionaltreffen NRW 12

13 Use by Science Field Leadership-Class System General-Purpose Supercomputer Granting period 07/ /2010 JUGENE ~40 Projects JUROPA ~85 Projects Oversubscription factor of about 5 Astrophysics Biophysics Chemistry Earth & Environment Plasma Physics Soft Matter Fluid Dynamics Elementary Particle Physics Computer Science Condensed Matter Material Science Aug 26, 2009 DOAG Regionaltreffen NRW 13

14 Application Highlight Spin forces on surfaces know about left and right St. Blügel et al., Nature 447, (10 May 2007) Upper configuration can exist Mirrored configuration is unstable Aug 26, 2009 DOAG Regionaltreffen NRW 14

15 Application Highlight Activated amino acids form peptides outside cells D. Marx et al., J. Am. Chem. Soc. ( Three-Page Communication to the Editor), ASAP Article /ja S (71) (7 February 2008) Aug 26, 2009 DOAG Regionaltreffen NRW 15

16 Application Highlight First precise ab-initio determination of hadron masses S. Dürr, Z. Fodor et al., Ab Initio Determination of Light Hadron Masses, Science Vol. 322, no. 5905, pp (2008) Elected by Science as one of the ten Scientific Breakthroughs in 2008 Aug 26, 2009 DOAG Regionaltreffen NRW 16

17 Part 3 Local, Regional, National and European Infrastructures Aug 26, 2009 DOAG Regionaltreffen NRW 17

18 Integration of JSC in Networks and Alliances Aug 26, 2009 DOAG Regionaltreffen NRW 24