[POSTPONED] Alpaka Parallel Programming - Taster Session and Basic Tutorial

Monday 27 Apr 2020, 09:00 → 17:00 Europe/Zurich

31/3-004 - IT Amphitheatre (CERN)

Graeme A Stewart (CERN), Maria Girone (CERN), Stefan Roiser (CERN)

!!! The training has been postponed to 29.6 - 3.7, new agenda at  https://indico.cern.ch/e/alpaka-tutorial, please register there!

1 Starting up with Alpaka

Finding the Alpaka Resources, Installing Alpaka, Taking care of
Dependencies, Introduction to the Tutorial Workflow

10:00 Coffee, Tea, ...

2 Introduction to the Alpaka Programming Model

A portable "Hello World", Understanding Alpaka Threads, Mapping Threads to Cores, 1D Work Division, Grids/Blocks/Threads, Understanding Parallelism

12:00 Lunch

3 Thread Parallelism in Alpaka

2D Work Division, Doing something: "Am I in the circle?", Doing
Computation: "Parallel computation of Pi", Measuring Performance

15:00 Coffee, Tea, ...

4 Portability with Alpaka

Introducing and using Alpaka Accelerators/Alpaka Devices/Alpaka Queues, Compiling and running on various Hardware, How to program heterogeneously with Alpaka

Outlook: Parallel Patterns (Reduction), Domain Decomposition, From CUDA to Alpaka with CUPLA