This patch updates the thread management logic in the OS at the kernel level for the Bulldozer, and - interestingly - proclaims it as a multithreading feature. With this update, Windows sees each BD dual core block as A SINGLE MULTITHREADED CORE, contrary to AMD's official positioning. Therefore, BD is seen as a 4-core, 8-thread chip, rather than a fully 8-core processors. This update, nevertheless, brings a definite single-digit % performance jump in lightly threaded applications, but it is still good though as it helps the CPU fight higher speed grades of Intel processors in benchmarks. So, naming or no naming confusion, go ahead and have it, if you're one of the early Bulldozer users