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Tasks of the JSC • Operation of the supercomputers for local, national and European scientists. • User support in programming and optimization of applications • Support of research groups from different research domains by means of simulation laboratories • Research & Development 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 programs) 6
Integration of JSC in Networks and Alliances Jülich Aachen Research Alliance (JARA) • Initiative of RWTH Aachen and Forschungszentrum Jülich Gauss Centre for Supercomputing (GCS) • Alliance of 3 German centres • Höchstleistungsrechenzentrum Stuttgart (HLRS) • Jülich Supercomputing Centre (JSC) • Leibnitz-Rechenzentrum (LRZ) • German representative in PRACE John von Neumann Institute for Computing (NIC) • Joint foundation of 3 Helmholtz Centres • Deutsches Elektronensynchrotron (DESY) • Gesellschaft f. Schwerionenforschung (GSI) • Jülich Supercomputing Centre (JSC) 7
Page 1 and 2: JUQUEEN: Application Stack and Best
Page 3 and 4: Outline Supercomputing@JSC Jülich
Page 5: Jülich Supercomputing Centre (JSC)
Page 9 and 10: Supercomputer Systems@JSC: Dual Con
Page 11 and 12: User Support @ JSC - Overview Cross
Page 15 and 16: JUQUEEN - System Architecture IBM B
Page 19 and 20: Accounting Billing - Jobs charged f
Page 21 and 22: Module Environment Module concept -
Page 23 and 24: Module Environment Six module categ
Page 25 and 26: Module Environment $ module help ar
Page 27 and 28: JUQUEEN - Application Stack Mathema
Page 29 and 30: Running Simulations - Batch System
Page 31 and 32: LoadLeveler - Job Command File ASCI
Page 33 and 34: LoadLeveler - Blue Gene/Q Keywords
Page 35 and 36: Running Simulations - runjob Comman
Page 37 and 38: Running Simulations - MPI/OpenMP Co
Page 39 and 40: Monitoring of Jobs • LoadLeveler
Page 43 and 44: Compilers for CN Language Compiler
Page 45 and 46: Basic Compiler Options - XL Compile
Page 47 and 48: MPI Message-Passing Interface - Bas
Page 49 and 50: Creating static Libraries Preferred
Page 53 and 54: Example: Compilers Diagnostics subr
Page 55 and 56: Quad floating Point eXtension unit
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IBM XL Compiler Support for QPX Usa
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IBM XL QPX Intrinsics • New intri
Page 61 and 62:
Thread Level Speculation (TLS) •
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Thread Level Speculation Loop: save
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Transactional Memory • Enabling b
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Choosing Shape and Mapping • Shap
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MPI Tuning - BG/Q Extensions Blue G
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Time (s) File I/O - Task-local File
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SIONlib - An Alternative to Task-Lo
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SIONlib - An Alternative to Task-Lo
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Performance Analysis Goal: Detectio
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Scalasca Toolset for callpath and c
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Outline Supercomputing@JSC Jülich
Page 83 and 84:
Using Debuggers Prepare executable:
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Thank You! JSC user and application
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