OS X Mavericks
Posted: Tue Oct 29, 2013 10:58 pm
http://www.apple.com/osx/whats-new/features.html#core
Clearly the only important bullet point.Expanded OpenCL support
OpenCL in OS X Mavericks supports Intel HD Graphics 4000, Intel HD Graphics 5000, and Intel Iris Pro integrated graphics processors, letting apps tap into the parallel computing power of even more Mac systems.