PDC05: Day Four (C++ Optimization Best Practices)

Kang Su Gatlin (blog) gave this presentation on "C++ Optimization Best Practices." The unmanaged code optimizations were largely the same as what I saw during the keynote, with a few additions:

• OpenMP helps with multithreaded programming, use it.
• Avoid Double-Thunks - you cannot dllexport managed calls without paying the double-thunk cost.
• Compiling managed C++ with /clr:pure or marking dllexported calls as _clrcall improves performance by a factor of seven.