Okay, so besides some normal fluctuations there is a significant speed gain for OpenSSL (+99%) and the OpenCL-backed Graphicsmagick (up to +73% and +80%) and a regression in 7-zip compression (-27%).
Wow - fascinating stuff. I wonder how much potential kernel code optimization has. I still remember the extreme difference between 2.4.x and 2.6.x. I had just bought a new computer because my old one was... getting old. And I felt completely cheated. The new kernel had brought me much more increase in responsiveness and "felt performance" than the new computer (AMD Duron 700 Mhz -> Athlon XP 2500+). If I could I probably would've brought it right back to the store. Well, they don't take returns on self-build computers here.
I really wonder how much difference the intel compiler compiled kernel makes in comparison to gcc. Maybe Phoronix could compare that one, too? Oh yeah "... boost up to 40% for certain kernel parts and an average boost of 8-9% possible" quotes LJ.
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