Skip to content

Course schedule

DAY 1 - Tuesday 23/04
09:00 EEST
08:00 CEST 		Welcome and introduction
Presenters: Heidi Reiman (LUST), Harvey Richardson (HPE)
09:15 EEST
08:15 CEST 		HPE Cray EX architecture
Presenter: Harvey Richardson (HPE)
10:15 EEST
09:15 CEST 		Programming Environment and Modules
Presenter: Harvey Richardson (HPE)
10:45 EEST
09:15 CEST 		Break (15 minutes)
11:00 EEST
10:00 CEST 		Running Applications
  • Examples of using the Slurm Batch system, launching jobs on the front end and basic controls for job placement (CPU/GPU/NIC)
Presenter: Harvey Richardson (HPE)
11:20 EEST
10:20 CEST 		Exercises (session #1)
12:00 EEST
11:00 CEST 		Lunch break (90 minutes)
13:30 EEST
12:30 CEST 		Compilers and Parallel Programming Models
  • An introduction to the compiler suites available, including examples of how to get additional information about the compilation process.
  • Cray Compilation Environment (CCE) and options relevant to porting and performance. CCE classic to Clang transition.
  • Description of the Parallel Programming models.
Presenter: Alfio Lazzaro (HPE)
14:30 EEST
13:30 CEST 		Exercises (session #2)
15:00 EEST
14:00 CEST 		Break (15 minutes)
15:15 EEST
14:15 CEST 		Cray Scientific Libraries
  • The Cray Scientific Libraries for CPU and GPU execution.
Presenter: Alfio Lazzaro (HPE)
15:45 EEST
14:45 CEST 		Exercises (session #3)
16:15 EEST
15:15 CEST 		CCE Offloading Models
  • Directive-based approach for GPU offloading execution with the Cray Compilation Environment.
Presenter: Alfio Lazzaro (HPE)
17:00 EEST
16:00 CEST 		Open Questions & Answers
Participants are encouraged to continue with exercises in case there should be no questions.
17:30 EEST
16:30 CEST 		End of the course day
DAY 2 - Wednesday 24/04
09:00 EEST
08:00 CEST 		Introduction to HIP Programming
  • The AMD ROCmTM ecosystem
  • HIP programming

Presenter: George Markomanolis (AMD)
10:00 EEST
9:00 CEST 		Exercises (session #4)
10:30 EEST
09:30 CEST 		Break (15 minutes)
10:45 EEST
09:45 CEST 		Debugging at Scale – gdb4hpc, valgrind4hpc, ATP, stat
Presenter: Thierry Braconnier (HPE)
11:30 EEST
10:30 CEST 		Exercises (session #4)
12:00 EEST
11:00 CEST 		Lunch break (80 minutes)
13:20 EEST
12:20 CEST 		Advanced Placement
  • More detailed treatment of Slurm binding technology and OpenMP controls.
Presenter: Jean-Yves Vet (HPE)
14:20 EEST
13:20 CEST 		Exercises (session #5)
14:50 EEST
13:50 CEST 		Break (20 minutes)
15:10 EEST
14:10 CEST 		LUMI Software Stacks
  • Software policy.
  • Software environment on LUMI.
  • Installing software with EasyBuild (concepts, contributed recipes)
  • Containers for Python, R, VNC (container wrappers)
Presenter: Kurt Lust (LUST)
17:00 EEST
16:00 CEST 		Open Questions & Answers
Participants are encouraged to continue with exercises in case there should be no questions.
17:30 EEST
16:30 CEST 		End of the course day
DAY 3 - Thursday 25/04
09:00 EEST
08:00 CEST 		Introduction to Perftools
  • Overview of the Cray Performance and Analysis toolkit for profiling applications.
  • Demo: Visualization of performance data with Apprentice2
Presenter: Thierry Braconnier (HPE)
09:40 EEST
08:40 CEST 		Exercises (session #7)
10:10 EEST
09:10 CEST 		Break (20 minutes)
10:30 EEST
09:30 CEST 		Advanced Performance Analysis
  • Automatic performance analysis and loop work estimated with perftools
  • Communication Imbalance, Hardware Counters, Perftools API, OpenMP
  • Compiler feedback and variable scoping with Reveal
Presenter: Thierry Braconnier (HPE)
11:30 EEST
10:30 CEST 		Exercises (session #8)
12:00 EEST
11:00 CEST 		Lunch break
13:15 EEST
12:15 CEST 		MPI Topics on the HPE Cray EX Supercomputer
  • High level overview of Cray MPI on Slingshot
  • Useful environment variable controls
  • Rank reordering and MPMD application launch
Presenter: Harvey Richardson (HPE)
14:15 EEST
13:15 CEST 		Exercises (session #9)
14:45 EEST
13:45 CEST 		Break
15:00 EEST
14:00 CEST 		AMD Debugger: ROCgdb
Presenter: George Markomanolis (AMD)
15:30 EEST
14:30 CEST 		Exercises (session #10)
15:45 EEST
14:45 CEST 		Introduction to ROC-Profiler (rocprof)
Presenter: George Markomanolis (AMD)
16:25 EEST
15:25 CEST 		Exercises (session #11)
17:00 EEST
16:00 CEST 		Open Questions & Answers
Participants are encouraged to continue with exercises in case there should be no questions.
17:30 EEST
16:30 CEST 		End of the course day
DAY 4 - Friday 26/04
09:00 EEST
08:00 CEST 		Introduction to Python on Cray EX
  • Cray Python for the Cray EX
Presenter: Alfio Lazzaro (HPE)
09:10 EEST
08:10 CEST 		Porting Applications to GPU
Presenter: Alfio Lazzaro (HPE)
09:35 EEST
08:35 CEST 		Performance Optimization: Improving Single-core Efficiency
Presenter: Jean-Yves Vet (HPE)
10:00 EEST
09:00 CEST 		Exercises (session #12)
10:15 EEST
09:15 CEST 		Break
10:30 EEST
09:30 CEST 		Optimizing Large Scale I/O
  • Introduction into the structure of the Lustre Parallel file system.
  • Tips for optimising parallel bandwidth for a variety of parallel I/O schemes.
  • Examples of using MPI-IO to improve overall application performance.
  • Advanced Parallel I/O considerations
  • Further considerations of parallel I/O and other APIs.
  • Being nice to Lustre
  • Consideration of how to avoid certain situations in I/O usage that don’t specifically relate to data movement.
Presenter: Harvey Richardson (HPE)
11:30 EEST
10:30 CEST 		Exercises (session #13)
12:00 EEST
11:00 CEST 		Lunch break (60 minutes)
13:00 EEST
12:00 CEST 		Introduction to OmniTrace
Presenter: George Markomanolis (AMD)
13:25 EEST
12:25 CEST 		Exercises (session #14)
13:45 EEST
12:45 CEST 		Introduction to Omniperf
Presenter: George Markomanolis (AMD)
14:10 EEST
13:10 CEST 		Exercises (session #15)
14:30 EEST
13:30 CEST 		Break
14:45 EEST
13:45 CEST 		Best practices: GPU Optimization, tips & tricks / demo
Presenter: George Markomanolis (AMD) and Samuel Antao (AMD)
16:15 EEST
15:15 CEST 		LUMI User Support
  • What can we help you with and what not? How to get help, how to write good support requests.
  • Some typical/frequent support questions of users on LUMI?
Presenter: Kurt Lust (LUST)
16:45 EEST
15:45 CEST 		Open Questions & Answers
Participants are encouraged to continue with exercises in case there should be no questions.
17:15 EEST
16:15 CEST 		End of the course