The patch, created by Linux kernel developer Mike Galbraith, is 233 lines long and tweaks the kernel scheduler and cutting down latency by a whopping factor of ten.
Phoronix has some demo videos showing the improvements the patch offers. Here is the video:
Below is the video of the Linux desktop when running the Linux Git kernel and the patch in question was applied but the auto-group scheduler was disabled via its sysfs interface.
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source:http://linuxpoison.blogspot.com/2010/11/135781677514624.html