Domain Decomposition

https://en.wikipedia.org/wiki/Domain_decomposition_methods

https://www.osti.gov/servlets/purl/1806997#:~:text=Domain-Decomposition-generally-means-the,as-the-original-unpartitioned-problem.

Decomposition Techniques in HPC

Data
Recursive
Exploratory (puzzle game, run and split simultaneously)
Speculative (switch case)