Running parallel software, performance enhancement, and scalability testing
This chapter describes some techniques that are used to gain performance out of CPUs and GPUs in POWER8 systems.
We also provide the results of running some source codes that were presented in Chapter 2, “Compilation, execution, and application development” on page 23. These codes are run to demonstrate a few tips to the reader about how to enhance, test, and scale parallel programs in POWER8 systems.
This chapter includes the following topics: