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Course 2011-D at HLRS, Stuttgart

See also

List of all HLRS Parallel Programming Workshops and Programming Language Courses 2011 in Stuttgart, Dresden, Hamburg-Harburg, Aachen, Munich, Jülich.
List of all HLRS Training, Courses, and Tutorials.
Courses and events organized by the Gauss Centres for Supercomputing in Germany.

Course D
Location Großer Seminarraum, HLRS (Höchstleistungsrechenzentrum Stuttgart), Universität Stuttgart, Allmandring 30, D-70550 Stuttgart
Date 2011, Monday Apr. 18, 9:00 - Tuesday Apr. 19, 17:30
Content Platforms at HLRS, Usage and Programming
Abstract The course will focus on the major platforms at HLRS:
  • Cray XE6 (preliminary system for the next petascale system)
  • NEC LX-2400 (Nehalem Cluster, 62 TFlop/s, 5600 cores)
  • IBM bwGrid Cluster (46 TFlop/s)
  • NEC SX-9 (19 TFlop/s, 192 vector processor cores)
  • Cray XT5m (8.5 TFlop/s, 892 cores)
  • CUSS (Common Ulm Stuttgart Server)
The course has two days.
  • The first day gives an overview on all platforms of HLRS.
  • The second day is dedicated to the new Cray XE6 platform.
Seperate registration of individual days is possible. Especially, if one is interested only in the new and upcoming Cray XE6 petascale installation at HLRS, all necessary information is presented on the second day.
Agenda Monday, April 18, 2011

Overview on HLRS Platforms -- Access, Usage and Programming

9:00 Introduction (R. Rabenseifner, HLRS)
9:15 HPC Infrastructure Evolution at HLRS (M. Resch, HLRS)
9:45 Platforms at HLRS (M. Hecht, HLRS)
              Hardware overview on
              Cray XE6, NEC SX-9, Nehalem-Cluster, bwGRID Cluster, Cray XT5
10:15 Coffee
10:30 Access to the Platforms at HLRS (Th. Bönisch, HLRS)
10:45 Cray XE6 and XT5m - Usage and Programming (Chr. Niethammer, HLRS)
              (a short overview)
11:30 Preparation for grid usage on bwGrid resources (talk) (M. Hecht, HLRS)
              (includes remarks on gsissh)
12:00 Coffee
12:15 bwGrid - Usage and Programming (M. Hecht, HLRS)
              (includes also remarks on visualization nodes)
13:00 Lunch
14:00 NEC Nehalem Cluster - Usage and Programming (H. Berger, NEC)
              (includes also remarks on NVIDIA/Tesla)
14:45 Coffee
15:00 NEC SX-9 at HLRS - Usage and Programming (St. Haberhauer, NEC)
15:30 Filesystems and HPSS at HLRS (Th. B÷nisch, HLRS)
16:00 Coffee
16:20 ISV-Codes and Licenses at HLRS (M. Bernreuther, HLRS)
17:00 Guided tour (HLRS)
18:15 End

Tuesday, April 19, 2011

Cray XE6 Optimization Workshop (S. Andersson, Cray)

9:00 Cray XE6 Architecture
              Architecture of Cray XE6
              Socket 34 architecture
              Gemini Interconnect
9:40 The CRAY Programming Environment - Part I
              Compiler options and flags
10:30 Coffee
10:45 The CRAY Programming Environment - Part II
              Aprun options
              Batch jobs - How to use the HLRS XE6
11:45 Coffee
12:00 Optimization I
              Optimization methodology
              Using Craypat to profile applications
12:45 Lunch
13:45 Optimization II
              Scaling applications to thousands of processors
              MPI optimization
              Task placement
15:15 Coffee
15:30 Optimization III
              Memory understanding and optimization
              Cache blocking examples
16:00 Coffee
16:15 Optimization IV: I/O
              Lustre basics
              MPI-IO Environment variables
              MPI-IO Example
17:30 End
Language German
Teachers Thomas Beisel, Katharina Benkert, Jochen Buchholz, Thomas Boenisch, Christoph Niethammer, Martin Bernreuther, Martin Hecht from HLRS, and TBA from Cray and NEC
Registration via online registration form
Deadline for registration is Apr. 03, 2011 (extended deadline)
Fee Members of German universities and public research institutes: none,
others: 150 EUR (includes food and drink at coffee breaks, will be collected on the first day of the course, cash only)
Prerequisites Programming experience, and partially MPI-1
See HLRS-travel-info. The next public transport stations are: "Universität, Stuttgart" (S-Bahn station, 15 min on foot) and "Lauchhau, Stuttgart" (Bus station, 4 min on foot to HLRS, bus lines 84, 92, 746, 747, 748, but not 82! from S-Bahn station "Universität, Stuttgart" and bus line 81 from S-Bahn station "Stuttgart-Vaihingen").
Accomodation: see also additional hotel list and HLRS-travel-info. Private Bed&Breakfast is also available (might be cheaper than the hotels), see, e.g., or A youth hostel is also available.
See also campus map (HLRS, see Rechenzentrum Universität Stuttgart on the map), or HLRS, Allmandring 30, nearby crossroads Allmandring x Nobelstr., at coordinates 25.G on Stuttgart city map HLRS and University Campus or HLRS and Stuttgart-Vaihingen (or you can use Online-Stadtplan des Stadtmessungsamtes Stuttgart or
Local Organizer Rolf Rabenseifner phone 0711 685 65530,
Cancelation policy If you cannot come to the course, please send an email to the organizer as soon as possible. This would allow us to accept additional participants from the waiting-list. There is no cancelation fee.
NO-SHOW: Registered persons that do not cancel and do not show up without any reasons are blocked for the next year on any of our workshops (because it is to expensive to produce unused copies of the slides for them).
Limit maximum of 42 participants in Stuttgart and Kassel, 35 in Dresden and Aachen, 34 in Garching, 26 in Jülich, 20 an der TUHH (according to the seats in the rooms).
Handouts Each participant will get a paper copy of all slides.
The MPI-1 part of the course is based on the MPI course developed by the EPCC Training and Education Centre, Edinburgh Parallel Computing Centre.
If you want, you may also buy copies of the standards MPI-2.2 (Hardcover, 17 Euro) and OpenMP 3.0 (about 8 Euro).
Most material of the course (including the audio information) can also be viewed in the ONLINE Parallel Programming Workshop.

Organizer of the HLRS courses:

Rolf Rabenseifner
Phone: 0711 685 65530

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