ozzie wrote:Any suggestions for topics, or how it should be done?

Great idea
example topics:
1) very basics - installation in short, export just a cube (sucessfull means good installation)
2) materials - some not complicated mesh (but not a cube) with material
3) emitters

...

and TIA im a newbie

As dougal2 said, please check you are using the same number of threads in both tests. The speeds of the linux build and windows build should be pretty similar. You were right, on my ubuntu i have only one thread. And i found where to chage it ;) however vista is still faster ;) Display took 2,51314...

Well i can confirm problem with logging - i deleted log.txt, it reappeared but message was still the same - cant open for writing. And log.txt is always empty.

(checked only on vista )

funny that the speed difference is almost exactly a factor of two ... did you perhaps use 1 thread on linux and 2 on windows ? well, you may have right but... As dougal2 said, please check you are using the same number of threads in both tests. The speeds of the linux build and windows build should...

hi, everyone, it's my first post here ;) I did some little experiment about render speed at my computer, and tbh im really suprised: xubuntu 8.10, x64 Display took 2,46189 s Total render time elapsed: 10 m, 7 s Done 33770000,00000 samples (70,35417 samples per pixel) 55562,77562 samples / second (17...