# oneAPI Threading Building Blocks (oneTBB)

This document contains information about oneTBB. It is a flexible performance library that let you break computation into parallel running tasks.

The following are some important topics for the `novice user`:

- Get Started with oneAPI Threading Building Blocks (oneTBB) gives you a brief explanation of what oneTBB is.

- oneTBB Benefits describes how oneTBB differs from typical threading packages.

- Package Contents describes dynamic library files and header files for Windows*, Linux*, and macOS* operating systems used in oneTBB.

The following is an important topic for the `experienced user`:

Migrating from Threading Building Blocks (TBB) describes how to migrate from TBB to oneTBB.