Section 5: Concepts needed to understand and leverage HPX

General Programming Concepts

• Typesafety

• Serialization

• RPC

• Operating System Threads and Userspace Threads (a.k.a. “Green Threads”, “Fibers” etc.). Not to be confused with “Tasks” (Small units of work), “Coroutines” (Yield-and-Resumable Subroutines) or “Strands” (Sequentially ordered units of execution).

• Concurrency and Parallelism

C++ Concepts

• Declaration versus Definition. See also here for a newbie friendly explanation of the difference.

• C++ Template language basics

• CRTP

• Function Local Static Variables combined with Thread Local Storage

• Building and using dynamic libraries on your system(s)

HPX Concepts

• How does it work?

• HPX Actions

• HPX Components, “Server” and “Client” Components

• HPX Serialization Implementation

• HPX Migration, Parcel

• HPX Macros

• AGAS

• Executor

• Launch Policy