Practical exercise 1: First use of HPC machine, Image sharpening code

In this practical exercise you will:

• Access ARCHER2 using SSH.

• Become familiar with linux and the command line.

• Compile and run serial code interactively.

• Submit serial and parallel programs to run using the batch system.

The case study code for this exercise is a image sharpening program. The source code we will use is on this Github repository.

• Introduction & Theory
  • Edge detection
  • Implementation
• Part 1: Logging in via SSH
  • SSH client
  • Connecting to ARCHER2
• Part 2: Download,Compile, Run
  • Downloading the source code
  • Compiling the source code
  • Running the serial program
  • Viewing the images
• Part 3: Parallel execution on compute nodes
  • Compile the parallel version of the code
  • Running on the ARCHER2 compute nodes
  • Investigating the parallel speed-up
  • Things to think about …