Does OpenCV comes with TBB enabled by default?
If I download opencv from the default URL, does it comes with TBB enabled? Do I have to do any additional configuration?
http://sourceforge.net/projects/opencvlibrary/files/opencv-win/2.4.6/OpenCV-2.4.6.0.exe/download
no, it's not enabled by default.
you'll need to get the tbb binaries, and recompile opencv using cmake.