Multithreading in FreeCAD
- Some 3rd party libraries do some multi-threading like the CAD kernel OCC for boolean operations or the tessellation to create a display mesh from the model.
- The Eigen3 library which is heavily used for the Sketcher also supports multi-threading. (source)
- FreeCAD thread discussion on how there is partial mulitithreading support.
- FreeCAD and multicores - multithreads a forum thread on multicores - multithreads support.