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Render Speed

PostPosted: Tue Sep 10, 2013 9:23 am
by Nubblet
Would like to know what contributes to render speeds.

just seems that each time i do a render it gets slower and slower. i did one a few days back with a fairly detailed car and a victoria figure with SSS etc, rendering at 3840 x 2160 resolution and it was rendering at between 4 and 5 msamples/sec. this scene had 12 emitters in it.

i am currently rendering another image that is just a portrait on a textured background, portrait of the same figure mentioned above, with only 2 emitters, at 3000 x 2250 resolution. this one is only rendering at 1.5 msamples/sec

curious as to why a much simpler image is taking so much longer

cheers

Re: Render Speed

PostPosted: Tue Sep 10, 2013 2:39 pm
by Pandarr
Is the 2nd render closer to the figure? As you get closer to the texture it has to show more detail would be my guess.

Re: Render Speed

PostPosted: Tue Sep 10, 2013 4:44 pm
by Witpapier
This is true, closer shots like face ect renders much slower. especially when using things like sss and specularity...