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Course 2011-Cray XE6 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 Cray XE6
Location Großer Seminarraum (big seminar-room), HLRS (Höchstleistungsrechenzentrum Stuttgart), Universität Stuttgart, Allmandring 30, D-70550 Stuttgart
Date 2011, Wednesday, February 2, 9:00 - Friday, February 4, 16:30
Content Cray XE6 Optimization Workshop
Abstract In Dec. 2010, HLRS has installed a first Cray XE6 system with a performance of 10 TFlop/s. The final XE6 system with a performance of 1 PFlop/s is expected to Be operational in Q3/2011. We strongly encourage you to use the already existing small system to port your applications to the new architecture as early as possible. To support such first effort we invite important users to participate in a special course Cray XE6 Optimization Workshop. With this course, we will give all necessary information to move applications from the current NEC SX-9 or Nehalem cluster to the upcoming Petaflop system. The Cray XE6 installed in 2011 will provide our users with a new level of performance. To harvest this potential will require all our efforts. We are looking forward to working with you on these opportunities.
Agenda see link to detailed program
Content Cray XE6 Architecture
The CRAY Programming Environment – Part I - Modules and Compiler
The CRAY Programming Environment – Part II - Programming considerations
Optimization I - Methodology
Optimization I - Using Craypat to profile applications
Optimization II - Memory, Vectorization, Caches
Optimization III - Shared Memory, OpenMP
Optimization IV - I/O
Optimization V - Gemini and Scaling
Co-array FORTRAN on Cray XE6
UPC on Cray XE6
Language English
Teachers Stefan Andersson, Jason J. Beech-Brandt, and Charles Henriet from Cray
Registration via online registration form
Deadline for registration is Jan. 19, 2010 (extended deadline)
Fee Members of German universities and public research institutes: none,
others: 300 EUR (includes food and drink at coffee breaks, will be collected on the first day of the course, cash only)
Prerequisites Programming experience in C or Fortran, some knowledge about parallel programming
Links Additional information can be found, e.g., at
Cray XE6 (Hermit) at HLRS
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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