High Performance Computing at CEA
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1 High Performance Computing at CEA Thierry Massard CEA-DAM Mascot 2012 Meeting 23/03/
2 www-hpc.cea.fr/en Paris CEA/DIF (Bruyères-Le-Châtel) Saclay CEA Supercomputing Complex Mascot 2012 Meeting 23/03/2012 2
3 Brief Presentation of CEA o CEA, namely Atomic and Alternative Energies Commission, is a French governmental research organization o employees o doctoral students o 3.9 B /year budget o scientific publications/year o 300+ European projects with CEA participation o Main focuses of CEA are: o Defense and global security o Energy o Information & Health technologies o Related and necessary fundamental research o Other outcomes o Teaching and knowledge dissemination o Technology transfer (patents, start-up/spin-off companies ) Mascot 2012 Meeting 23/03/2012 3
4 HPC a huge need for CEA Basic science and applied research for the Simulation program Applied research, industrial applications in the field of Energy and Health and Communication technology Fundamental research (Matter and Biology) ocomité Stratégique du Calcul Intensif 4/15 o22 octobre 2007 Mascot 2012 Meeting 23/03/2012 4
5 Fundamental Sciences of Matter Nanosciences Particles Physics Environmental risks tsunamis Global warming Fusion Structure of the Universe Mascot 2012 Meeting 23/03/2012 5
6 CEA Scientific Computing Complex Defense Computing Center TERA R&D on HPC Technologies Très Grand Centre de calcul du CEA TGCC CCRT Address the needs of CEA, French & European Research Communities and Industry in terms of High Performance Simulations While developing and assessing news technologies for more powerful and efficient HPC systems Joint Laboratories Extreme Computing Lab (BULL, CEA) Exascale Computing Research (INTEL, GENCI, CEA, UVSQ) Mascot 2012 Meeting 23/03/
7 Compute Complex Capacity Roadmap TERA TERA Tflops 100 TERA-10 TGCC 10 TERA-1 CCRT-B 1 CCRT-A 0, Mascot 2012 Meeting 23/03/
8 TERA Computing Centre Classified computing resources for the CEA/DAM Simulation Program Mascot 2012 Meeting 23/03/
9 TERA st european supercomputer in 2010 above the sustained Petaflops 1,25 Petaflop/s peak nodes coresintel Xeon Nehalem EX QDR Infiniband interconnect System software Open source 300 TB memory 20 PB storage disk 500 GB/s bandwidth toward the storage system High reliability machine to meet the strategic needs of CEA/DAM Mascot 2012 Meeting 23/03/2012 9
10 Grand Challenges on TERA 100 o We have taken advantage of the pre-production phase to «invite» a selection of frontier extreme computing cases : Part of the V&V process for the global system Reach the limit of the machine To observe the behavior of other software than those in CEA-DAM s portfolio o Sampling from the nov 2010 feb.2011 campaign : Massive parallellcalculation for the 3D transport of a sodium fast reactor using APOLLO3 R. Baron, C. Calvin, J. Dubois, J-J. Lautard, S. Salmons CEA/DEN/DANS/DM2S/SERMA up to cores Simulation of graphene growth on Silicon Carbibe (BigDFT) Thierry Deutsch, Luigi Genovese, Pascal Pochet, Eduardo Machado-Charry CEA/DSM/INAC Grenoble Classical Molecular Dynamics Simulations (STAMP) L. Soulard et al., CEA/DAM/DPTA up to cœurs Design of artiificial enzymes (STAMPS) G. Debret, M. Masella, P. Cuniasse, G. Collet CEA/DSV/iBiTecS Mascot 2012 Meeting 23/03/
11 Mascot 2012 Meeting 23/03/
12 Mascot 2012 Meeting 23/03/
13 Simulations de dynamique moléculaire TERA-100 La dynamique moléculaire résout l équation fondamentale de la dynamique pour un ensemble de N particules en interaction mutuelle. Pourvu que N soit suffisamment grand, elle peut permettre de faire le lien entre le calcul quantique et la mécanique des milieux continus. Performances du code Stamp sur TERA-100 entre 250 millions et un milliard d atomes, et jusqu à processeurs. Ejection de matière lors de la réflexion d un choc sur une surface libre. 125 millions d atomes, 4000 cœurs, potentiel interatomique assez simple mais temps physique de simulation très long (pour la dynamique moléculaire) : de l ordre de la nanoseconde. Plastification du diamant au passage d une onde de choc. Relativement peu d atomes (1,3 millions, 6400 cœurs) mais potentiel interatomique extrêmement complexe. Mascot 2012 Meeting 23/03/
14 TERA-100: Co-designed by BULL and CEA/DAM TERA-100 has been the first European computer to reach the Petaflops. General Purpose production system with a tremendous effectiveness and reliability (1.05 Pflops, 83,7% of the peak performance in a 22 hours run) Tera100 key figures : 220 racks in 650 m² 4370 servers interconnected with IB-QDR Intel X7560 processors compute cores 300 TB of memory 500 GB/s I/O bandwidth System software mostly based on Open source developments (Linux, LUSTRE, SLURM..) Mascot 2012 Meeting 23/03/
15 Supercomputers... A roadmap to Exaflops Joint Bull/CEA R&D to insure availability of supercomputers for the needs of the Simulation program EXA 1 N? Monde N? EU 1 Ef 2019 Ambitious goal : to maintain a european capabillity to design and build Supercomputers in Europe x30 TERA 1000 High ROI in technology and economy for the civilian applications x30 N? Monde N? EU 30Pf 2001 Closed DAM machines TERA N 5 monde N 1 EU 4,8 TF x10 TERA N 5 monde N 1 EU 63 TF x TERA 100 N 6 monde N 1 EU 1Pf TGCC Open CEA computing centers Mascot 2012 Meeting 23/03/2012 Direction 15 des
16 CCRT Computing Centre for Research and Technology A partnership approach to gather academic research and industrials high end simulation in the same computing centre Mascot 2012 Meeting 23/03/
17 Computing Center for Research and Technology o A successful business model since 2003 o CCRT major goals o Meet CEA & partners simulation needs for research o Synergy between research organizations, universities and industry Promoting exchanges and scientific collaborations between partners Usages of HPC, code scaling and optimization Centralized application support, workshops o Industrial partners o Multi-year agreements for a share based on total cost of ownership (sharing risk and opportunities) Mascot 2012 Meeting 23/03/
18 CCRT Partnership Overview (2011) ONERA 1,0% Techspace Aero 0,8% Snecma 8,9% INERIS* 1.5% Areva* Turbomeca 3% 8% Astrium 1,0% Cerfacs 0,7% DAM 12,2% DEN 17,2% EDF 22% DSV 5,5% DSM 18,2% Mascot 2012 Meeting 23/03/
19 Current CCRT Architecture (~200 Tflops) NEC Vector system Hybride (CPU/GPU) Bull Cluster BULL Itanium Cluster Extension CCRT Tflops 47.7 Tflops Mémoire 23.2 To Disques 420 To 6 * 10 Gb/s HP Post-processing Cluster 8 * 1Gb/s SX8 SX9 8 nodes 3 nodes 2 Tflops 4.8 Tflops 0.9 To 3 To 40 TB of Disk 8 * 10 Gb/s 8 * 10 Gb/s nœuds Bull 8736 Intel/Nehalem cores 3 GB/core 103 TFlops SGI Altix 450 DMF Level 1: 1 Po of DDN Sata disk 500 TB of disk 48serveurs Tesla S NVIDIA cores 4 GB/GPU 192 Tflops-SP 38 graphic nodes 3.2 TB of memory, 100 TB of disk Backbone Ethernet 10Gb/s Users 2 Gb/s NFS Server Level 2: SUN-SL8500 (9940 & T10000 tapes) Storage System Mascot 2012 Meeting 23/03/
20 TGCC Très Grand Centre de calcul du CEA A completely new computing centre built by CEA to host the French contribution to the PRACE Research Infrastructure and other high end HPC resources Mascot 2012 Meeting 23/03/
21 TGCC Overview Designed to host : o2nd system of the PRACE Research Infrastructure (European Tier0) o3rd generation of the CCRT (French - Tier1) ohigh speed network node (10+ GIGE links) Main characteristics of the infrastructure onew power line 225 kv / 60 MW oinitially configured for ~12 MW (7.5 MW of IT equipments) o2600 m² machine rooms floor space o Conference room for 200 people ooperated by CEA/DAM-Ile-de-France site teams Mascot 2012 Meeting 23/03/
22 Très Grand Centre de Calcul du CEA «in one glance» Mascot 2012 Meeting 23/03/
23 The European strategy for HPC Gouvernance européenne 21 pays membres dont la France représentée par GENCI Tier-0 European Centres Tier-1 National Centres > 1 Pflop/s Gouvernance nationale Tier-2 Regional Centres (Universities) < 50 Tflop/s Gouvernances régionales Equip@meso Mascot 2012 Meeting 23/03/
24 PRACE supercomputers JUGENE : IBM BG/P 1 PF GENCI@TGCC CURIE : BULL Bullx, 2 PF GSC@Juelich & CINECA IBM BG/Q systems (Fermi) GSC@HLRS Hermit : Cray XE6, 1 PF Mascot 2012 Meeting 23/03/2012 GSC@LRZ SuperMUC : IBM idataplex, 3 PF BSC IBM 24
25 Mai JUGENE : 360Mh PRACE : calls in progress Novembre 1st regular call JUGENE : 360Mh CURIE : 40Mh (nœuds larges) Mai Novembre Mai Novembre 2nd regular call JUGENE : 360 Mh CURIE : 30 Mh (NL), 125 Mh (NF) HERMIT : 160 Mh 3rd regular call JUGENE : 33 % PRACE CURIE : 80 % PRACE HERMIT : 33 % PRACE SUPERMUC : 50% PRACE FERMI :? MARENOSTRUM :? 1 er nov à mi janvier JUGENE : 300 Mh, HERMIT : 160 Mh, SuperMuc (LRZ) : 200Mh CURIE : 28Mh (NL), 188 Mh (NF), Marenostrum (BSC) : 135 Mh, FERMI (CINECA) : 300 Mh 4 th regular call Preparatory Access Call Appel à projets Mascot 2012 Meeting 23/03/2012 Allocation JUGENE : 10 Mh/an - CURIE : 5 Mh/an (NL), 20 Mh/an (NF) et 1.4 Mh/an (230kh en 2011) (NH) - HERMIT (tbd) Appel continu relevé tous les 3 mois 25
26 Curie: The BULL Tier0 System Mascot 2012 Meeting 23/03/
27 Curie configuration Fat nodes 360 BullX S6010 Intel NH EX 2,26 GHz cœurs 32 =>128 core/node 128 GB => 512 GB/node 4 GB/core 105 TFlops Thin nodes 5040 BullX B510 Intel Sandy Bridge 2,7 GHz cœurs 16 core/node 4 GB/core TFlops Hybrid nodes 144 Bullx B Nvidia M TFlops Interconnect Infiniband QDR 5 Po GB/s Lustre file system Mascot 2012 Meeting 23/03/
28 CEA Supercomputing Complex Summary A single operator mutualizing expertise developed at CEA/DAM A rich ecosystem connected from regional to worldwide scale Collaborations with academics and industry ranging from design of HPC system and their environment (I/O, storage..) to applications and usages through system and management software, algorithms and middleware TERATEC TGCC TERA CCRT Mascot 2012 Meeting 23/03/
29 ENJOY YOUR STAY AT TGCC! Mascot 2012 Meeting 23/03/
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