parallel_for implemention using STL c++/stl implementation of parallel_for. Intel TBB version 4/update 4 has issues with c++ v20/v23. Intel oneTBB does not have a static lib version ( could probably build github oneTBB codebase into a static lib ), therefore wrote my own parallel_for implementation. This out performed Intel and Parallel Patterns Library parallel_for implementations for my case usage, more details can be found here: