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Literature • Megan Gilg. IBM System Blue Gene Solution: Blue Gene/Q Application Development. 1 st edition. March 2012. Copyright © 2012 International Business Machines Corporation. • JSC websites: http://www.fzjuelich.de/ias/jsc/EN/Expertise/Supercomputers/supercomputers_node.h tml • IBM ESSL documentation http://publib.boulder.ibm.com/infocenter/clresctr/vxrx/index.jsp?topic=/co m.ibm.cluster.essl.doc/esslbooks.html • Using the IBM XL Compilers for Blue Gene – Fortran: http://pic.dhe.ibm.com/infocenter/compbg/v121v141/nav/2 – C/C++: http://pic.dhe.ibm.com/infocenter/compbg/v121v141/nav/1 14
<strong>JUQUEEN</strong> – System Architecture IBM Blue Gene/Q <strong>JUQUEEN</strong> – IBM PowerPC A2 1.6 GHz, 16 cores/node, 4-way SMT, 64-bit – 4-wide (dbl) SIMD (FMA) – 16 GB RAM per node – Torus network – 8 racks, 131,072 cores – 1,6 Petaflop/s peak 1,37 Petaflop/s Linpack – Connected to a Global Parallel File System (GPFS) with 6 PByte online disk and up to 25 PByte offline tape capacity 15
Page 1 and 2: JUQUEEN: Application Stack and Best
Page 3 and 4: Outline Supercomputing@JSC Jülich
Page 5 and 6: Jülich Supercomputing Centre (JSC)
Page 7 and 8: Integration of JSC in Networks and
Page 9 and 10: Supercomputer Systems@JSC: Dual Con
Page 11 and 12: User Support @ JSC - Overview Cross
Page 13: Outline Supercomputing@JSC Jülich
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
Page 57 and 58: IBM XL Compiler Support for QPX Usa
Page 59 and 60: IBM XL QPX Intrinsics • New intri
Page 61 and 62: Thread Level Speculation (TLS) •
Page 63 and 64: Thread Level Speculation Loop: save
Page 65 and 66:
Transactional Memory • Enabling b
Page 67 and 68:
Choosing Shape and Mapping • Shap
Page 69 and 70:
MPI Tuning - BG/Q Extensions Blue G
Page 71 and 72:
Time (s) File I/O - Task-local File
Page 73 and 74:
SIONlib - An Alternative to Task-Lo
Page 75 and 76:
SIONlib - An Alternative to Task-Lo
Page 77 and 78:
Performance Analysis Goal: Detectio
Page 79 and 80:
Scalasca Toolset for callpath and c
Page 81 and 82:
Outline Supercomputing@JSC Jülich
Page 83 and 84:
Using Debuggers Prepare executable:
Page 85:
Thank You! JSC user and application
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