gawd i dislike mental ray
On Thu, Feb 14, 2013 at 5:25 PM, Rob Chapman <tekano....@gmail.com> wrote: > ok heres 1/2 an hour in the classroom with Mental Ray. bit longer actually > because tried to go down the importons irradience route but did not have > much luck in the fiddle allocation so had to resort to GI. its > architectural materials just trying to get it to work with one big portal > light out of the window. > > http://tekano-bob.tumblr.com/image/43113666499 > > oh and yeah 10 minutes to render on an i7.. cpu. > > > > > > > On 15 February 2013 00:50, Leonard Koch <leonardkoch...@gmail.com> wrote: > >> This might not be 100% correct, but octane is I think simply optimized >> for cuda, and NVidia optimizes all their cards at least partly for cuda. >> On Feb 15, 2013 1:42 AM, "Leoung O'Young" <digim...@digimata.com> wrote: >> >>> Interesting thread, is Octane optimized for the GTX 600's series of >>> card? >>> >>> On 2/14/2013 2:52 PM, Toonafish wrote: >>> >>> oops, that was s typo. It's a GTX 680 with only 1536 cuda cores. >>> >>> - Ronald >>> >>> >>> On 2/14/2013 20:39, Steven Caron wrote: >>> >>> thats a nice machine! >>> >>> you said you had a geoforce GTX 960. do you mean 690? >>> >>> http://www.nvidia.com/object/graphics_cards_buy_now.html >>> >>> http://www.maximumpc.com/article/features/geforce_gtx_690_nvidias_dual-kepler_videocard_benchmarked >>> >>> if so, that is over 3000 cores! >>> >>> >>> On Thu, Feb 14, 2013 at 11:26 AM, Toonafish <ron...@toonafish.nl> wrote: >>> >>>> scene file : https://dl.dropbox.com/u/4271217/Arnold_Classroom.rar >>>> >>>> I'm rendering on a 6 core i7 3930 overclocked to 4 Ghz, so Arnold is >>>> using 12 threads. With AA set lower the DOF is very noisy. But you're >>>> right, maybe I could lower the diffuse samples a little. >>>> >>>> - Ronald >>>> >>>> >>>> On 2/14/2013 19:11, Steven Caron wrote: >>>> >>>> mind sharing that scene ronald? did you set the AA to 10 because of >>>> DOF? cause on a still image i wouldn't use that high of AA with that high >>>> of diffuse samples. >>>> >>>> as you knew, with more optimizing you probably can get better result. >>>> but octane is pretty awesome to be able to do what its doing for you, and >>>> with the graphics card having sooo many little gpu processors i think it >>>> will always outperform arnold in a scene like this. >>>> >>>> so, how many threads did arnold use? cause if you only have 2 core >>>> proc then i dont see that being entirely fair. i see the value of octane >>>> and a graphics card purchase over an arnold license and a machine with the >>>> same number of processors as in your graphics card. >>>> >>>> s >>>> >>>> >>>> On Thu, Feb 14, 2013 at 9:34 AM, Toonafish <ron...@toonafish.nl> wrote: >>>> >>>>> Arnold took 2 Hours and 10 minutes with 5 Diffuse bounces and AA set >>>>> to 10. Setting the diffuse bounces to 16 as in Octane was just slowing >>>>> Arnold down too much. >>>>> >>>>> >>>>> https://dl.dropbox.com/u/4271217/Arnold_Classroom_AA10_DiffSamples-7_DiffRays-5_2h-10min.png >>>>> >>>>> Still some fine noise in the DOF, and weird aliasing artifacts in the >>>>> high contrast areas around the windows and the lights. >>>>> >>>>> - Ronald >>>>> >>>>> >>>>> >>>> >>>> >>>> -- >>>> Ronald van Vemden >>>> ----------------------------------------------- >>>> 3D Graphics & Animation >>>> Cyberfish Laboratories | www.cyberfish.nl >>>> Toonafish | www.toonafish.nl >>>> tel. +31(0)20 5289291 >>>> fax +31(0)20 5289292 >>>> email: ron...@toonafish.nl >>>> >>>> >>> >>> >>> -- >>> Ronald van Vemden >>> ----------------------------------------------- >>> 3D Graphics & Animation >>> Cyberfish Laboratories | www.cyberfish.nl >>> Toonafish | www.toonafish.nl >>> tel. +31(0)20 5289291 >>> fax +31(0)20 5289292 >>> email: ron...@toonafish.nl >>> >>> >>> >
