Introduction to HPC Technologies

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Overview

Questions

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Objectives

• Differentiate at a high level between the features of OpenMP, MPI, CUDA and AI/ML approaches and what they are used for
• Briefly summarise the main OpenMP compiler directives and what they do
• Describe how to compile and run an OpenMP program
• Briefly summarise the main MPI message-passing features and how they are used
• Describe how to compile and run an MPI program
• Describe the advantages and drawbacks for using a hybrid OpenMP/MPI approach
• Briefly summarise how a CUDA program is written
• Describe why code scalability is important when using HPC resources
• Describe the differences between strong and weak scaling
• Summarise the dangers of premature optimisation

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Key Points

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