Microsoft pulls incomplete Bulldozer performance hotfix

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The hotfix for AMD's Bulldozer processors we wrote about yesterday is no longer available on Microsoft's website. The Bulldozer hotfix improves thread scheduling and should result in nice performance gains, but it turns out the patch that was released yesterday is only part one of two updates that are needed to optimize Windows XP, Vista and 7 for Bulldozer.

The final hotfix is expected sometime in Q1 2012, so Bulldozer owners will have to wait a bit longer until they can unlock the true potential of their chip.
AMD was surprised that Microsoft decided to post the patch in its current form, because:

"there are actually two updates needed for AMD Bulldozer CPU architecture. Microsoft posted just the first patch and we do not believe users would benefit in any way from it. The patch was originally scheduled for the first quarter 2012 and then the users will see tangible performance benefits when using Windows 7 and Windows Server 2008 R2 operating systems."

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