Programming

3 articles on programming.

From Serial to Supercomputer: Scaling Fourier Transforms with MPI and ARCHER2

Scaling Fourier transforms with MPI on ARCHER2 — Amdahl and Gustafson’s laws, strong and weak scaling, and real supercomputer measurements.

12 January 202520 min read

An introduction to MPI for distributed-memory parallel programming — process model, communication patterns and how it differs from OpenMP.

3 August 202319 min read

A practical introduction to OpenMP for shared-memory parallel programming on multicore systems — constructs, clauses and compilation.

14 May 202319 min read