Am 07.12.2013 13:46, schrieb def.gsus- <berke <bei> cymatrix:
> Just for your interest, here's the result of the Povray 3.7.0 benchmark on a
> tiny ARM device:
>
> CPU: Freescale i.MX6 Quad Cortex-A9 1.2GHz, 1MB L2-Cache, 2 GB RAM
> (http://www.wandboard.org)
>
> ----------------------------------------------------------------------------
> Render Time:
>    Photon Time:      0 hours  0 minutes 21 seconds (21.670 seconds)
>                using 7 thread(s) with 24.824 CPU-seconds total
>    Radiosity Time:   No radiosity
>    Trace Time:       0 hours 43 minutes 32 seconds (2612.173 seconds)
>                using 4 thread(s) with 10411.503 CPU-seconds total
>                      CPU vs. elapsed time ratio: 3.986 !!!
>
> It takes forever, but at a steady power consumption of about 5 Watts ;)
> Btw. compilation of Povray took about 10 minutes with make -j4

Sounds neat :-)

Did you check that there are no rendering artifacts? On the Raspberry 
Pi, last time I checked the single-precision floating point math was 
buggy there, leading to obvious artifacts in the biscuits.pov sample 
scene (and most probably any other scene, for that matter).

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