[Bf-cycles] Collecting official benchmark results

[db4tech at yahoo.co.uk]

Hi Sergey,

Couple of questions

1) Are you mainly interested in results from newer graphics cards, 
NVIDIA 700 onwards, rather than older Fermi based cards (GTX 580 for 
example)?

2) Is there a reason the Cycles benchmark downloads do not contain all 
required files in one easy compressed archive (separate archive for each 
scene), consisting of blend file in a relevantly named folder with sub 
'Texture' folder/s (see below example)? Just an idea that may help 
prevent incorrect results due to a missing texture/s.

*/Classroom.zip/ example:*
/Classroom/classroom.blend
/Classroom/Textures/blackBoard.png
/Classroom/Textures/ceilingAirVent_AO.png
/Classroom/Textures/ceiling_AO.png
/Classroom/Textures/cork.jpg
/Classroom/Textures/europeMap.png
/Classroom/Textures/glass.jpg
/Classroom/Textures/woodPlanks.jpg
/Classroom/Textures/childDrawing/childDrawing_01.jpg
/Classroom/Textures/childDrawing/childDrawing_02.jpg
/Classroom/Textures/childDrawing/childDrawing_03.jpg
/Classroom/Textures/childDrawing/childDrawing_04.jpg
/Classroom/Textures/childDrawing/childDrawing_05.jpg
/Classroom/Textures/childDrawing/childDrawing_06.jpg
/Classroom/Textures/childDrawing/childDrawing_07.jpg
/Classroom/Textures/childDrawing/childDrawing_08.jpg

Thanks,
David


On 30/10/15 16:52, Sergey Sharybin wrote:
> Hey everyone,
>
> It appears that latest hardware from AMD in combination with latest 
> beta driver gives really good performance on OpenCL rendering, even 
> when using so called mega kernel. In fact, single Fiji card 
> outperforms double D700 cards from Mac Pro by a factor of 3 here in 
> the studio.
>
> We would like to investigate performance on various hardware and 
> systems further, including:
>
> - CPU performance
> - GPU CUDA performance
> - GPU OpenCL performance
>
> That's exactly where you can help us! :)
>
> Here are instructions how do a proper benchmark.
>
> First of all, you need to use officially approved benchmark scenes 
> from [1]. You can grab then using regular SVN command:
>
>   svn co 
> https://svn.blender.org/svnroot/bf-blender/trunk/lib/benchmarks/cycles/
>
> Tests are to be done with latest blender builds from our buildbot [2]. 
> This is crucial because we like to collect performance from both split 
> and mega kernels and switch between them is only possible with latest 
> builds.
>
> In order to make sure split kernel to use do the following console trick:
>
> Windows:
>
>   set CYCLES_OPENCL_SPLIT_KERNEL_TEST=1
>   path/to/blender.exe
>
> Linux / OSX:
>
>   CYCLES_OPENCL_SPLIT_KERNEL_TEST=1 path/to/blender
>
> In order to make sure mega kernel is used use the same console trick 
> but use CYCLES_OPENCL_MEGA_KERNEL_TEST instead of 
> CYCLES_OPENCL_SPLIT_KERNEL_TEST.
>
> Please always do final (F12) renders with the same resolution and 
> number of samples as stored in the file.
>
> Sometimes it's needed to tweak tile size tho, for CPU tile size of 
> 32x32 is a good setting, for GPU it's 256x256.
>
> For AMD OpenCL it's recommended to use latest 15.10beta driver.
>
> When reporting results please include:
>
> - Exact CPU model you used
> - Exact GPU model you used
> - Timing itself of the scenes you rendered
> - Any modifications you did to the file
>
> If some configuration failed to render properly it's also interesting 
> to know.
>
> For now please submit results here in a reply mail or mail directly to 
> me. Once we've got enough data we'll do a nice spreadsheet and share 
> all the results.
>
> Thanks in advance,
> Happy Cycling!
>
> [1] 
> https://svn.blender.org/svnroot/bf-blender/trunk/lib/benchmarks/cycles/
> [2] https://builder.blender.org/download/
>
> -- 
> With best regards, Sergey Sharybin
>
>
> _______________________________________________
> Bf-cycles mailing list
> Bf-cycles at blender.org
> http://lists.blender.org/mailman/listinfo/bf-cycles

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