ramygad/node-level-optimization

Material for Node Level Performance Optimization course

Node Level Performance Optimization

Course material for the CSC course "Node Level Performance Optimization". The course is part of PRACE Training Center (PTC) activity at CSC. The most recent version of the course is found in the master branch, previous versions can be found in Tags.

Lecture slides

Lecture slides are found in the course web page

Information about compilers

Selected options

Exercises

• General instructions

Performance limits

• Performance limits

Getting started with Puhti and Mahti

• Getting started with CSC supercomputers

Performance tools

• Using Intel VTune
• Using Intel Advisor

Vectorization

• Improving performance through vectorization

Memory optimization

• Loop interchange
• Cache blocking

Miscallenous optimizations

• Fast mathematics
• Branch prediction

OpenMP tasks

• Simple tasking
• Parallelizing Mandelbrot with tasks
• Parallel Fibonacci
• Tasks and loops
• Task dependencies in matrix multiplication
• (Bonus) Parallel Sudoku

Threading optimization

• NUMA aware memory usage
• Simple thread affinity
• Thread affinity in heat equation