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Tentative schedule

DAY 1 - Wednesday 11/11/2026
09:00 CET
10:00 EET 		Welcome and Introduction
Presenters: Jonathan Vincent (LUST) and Harvey Richardson (HPE)
09:10 CET
10:10 EET 		LUMI Architecture, Programming and Execution Environment
Presenters: Harvey Richardson (HPE)
  • Recap of the LUMI architecture, programming, and execution environment.
09:50 CET
10:50 EET 		Exercises (session 1)
10:10 CET
11:10 EET 		Break (20 minutes)
10:30 CET
11:30 EET 		Compilers, libraries, runtime, single-core optimisations
Presenter: Harvey Richardson (HPE)
  • Topics relevant to performance and optimization.
11:20 CET
12:20 EET 		Introduction to Performance Analysis with Perftools
Presenter: Thierry Braconnier (HPE)
  • Overview of the Cray Performance and Analysis toolkit for profiling applications.
  • Demo: Visualization of performance data with Apprentice2/3.
12:00 CET
13:00 EET 		Lunch break (60 minutes)
13:00 CET
14:00 EET 		Advanced Performance Analysis
Presenters: Thierry Braconnier (HPE)
  • Automatic performance analysis and loop work estimated with perftools.
  • Communication Imbalance, Hardware Counters, Perftools API, OpenMP.
  • Compiler feedback.
13:50 CET
14:50 EET 		Exercises (session 2)
14:20 CET
15:20 EET 		Break (30 minutes)
14:50 CET
15:50 EET 		Interactive demo/Exercises 3: Strategies for code optimization
Presenters: Harvey Richardson and Alfio Lazzaro (HPE)
17:00 CET
18:00 EET 		Open Questions & Answers
Participants are encouraged to continue with the exercises in case there should be no questions.
17:30 CET
18:30 EET 		End of the workshop day
DAY 2 - Thursday 12/11/2026
09:00 CET
10:00 EET 		MPI Topics on the HPE Cray EX Supercomputer
Presenter: Harvey Richardson (HPE)
  • High level overview of Cray MPI on Slingshot.
  • Useful environment variable controls.
  • Rank reordering and MPMD application launch.
09:50 CET
10:50 EET 		Exercises (session 4)
10:20 CET
11:20 EET 		Break (30 minutes)
10:50 CET
11:50 EET 		IO Optimizations
Presenters: Harvey Richardson (HPE)
  • Tips for optimising parallel bandwidth for a variety of parallel I/O schemes.
  • Introduction to the Lustre filesystem, controls and being nice to Lustre.
  • Advanced Parallel I/O considerations: Further considerations of parallel I/O and other APIs.
11:30 CET
12:30 EET 		Exercises (session 5)
12:00 CET
13:00 EET 		Lunch break (60 minutes)
13:00 CET
14:00 EET 		AMD Profiling Tools and GPU optimisations 1
Presenter: Samuel Antão (AMD)
14:00 CET
15:00 EET 		Exercises (session 6)
14:30 CET
15:30 EET 		Break (20 minutes)
14:50 CET
15:50 EET 		AMD Profiling Tools and GPU optimisations 2
Presenters: Samuel Antão (AMD)
15:40 CET
16:40 EET 		Exercises (session 7)
17:00 CET
18:00 EET 		Open Questions & Answers
Participants are encouraged to continue with the exercises in case there should be no questions.
17:30 CET
18:30 EET 		End of the workshop day
DAY 3 - Friday 13/11/2026
09:00 CET
10:00 EET 		Best practices: GPU Optimization, tips & tricks / demo
Presenter: Samuel Antão (AMD)
10:30 CET
11:30 EET 		Break (30 minutes)
11:00 CET
12:00 EET 		Exercises (session 8)
12:00 CET
13:00 EET 		Open Questions & Answers
Participants are encouraged to continue with the exercises in case there should be no questions.
12:30 CET
13:30 EET 		End of the workshop