The boys over at Kubuntu has been working on a AMD Bulldozer fix that sort-of applies across several platforms. The idea came from ArchLinux that run ARM multiple processors. AMD FX-Bulldozer is neither 4 core or 8 core… that’s the problem. The ARM Cortex-A9 8 core processor had a similar problem that was overcome with a software patch. The problem right now is that the patch has to be re-registered with each Windows start. Look for a 40% performance boost if this works…. more to come.
There is most definitely a Windows 7 AMD FX – software patch in the works. By most estimates the AMD Bulldozer FX is underperforming by 40-70% in most Windows 7 benchmarks. By forcing Windows 7 to recognize 8 cpu cores a huge performance hit has happened. The Bulldozer FX-8xxx design… really isn’t 8 cores, it’s a 4 core CPU with an extra integer pipeline on each core. If the FX-8xxx series scale according to the 4 and 6 core Bulldozer design than there is a serious bug in Windows 7 that is crippling the FX-8150 performance.
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