Here is the article link and the reported issue it fixes...
http://support.microsoft.com/kb/2592546/
Someone test this plzzzzzzzzzz!
This article introduces an update that optimizes the performance of AMD Bulldozer CPUs that are used by Windows 7-based or Windows Server 2008 R2-based computers. Currently, the performance of AMD Bulldozer CPUs is slower than expected. This behavior occurs because the threading logic in Windows 7 and in Windows Server 2008 R2 is not optimized to use the Simultaneous Multithreading (SMT) scheduling feature. This feature was introduced in the Bulldozer family of AMD CPUs.
http://support.microsoft.com/kb/2592546/
Someone test this plzzzzzzzzzz!
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