[Bf-cycles] 3 way cuda performance comparison on sm_21 and sm_20 cards
Ton Roosendaal
ton at blender.org
Fri Jun 14 18:52:43 CEST 2013
Hi,
That's a very interesting and nice presented test, thanks!
I'll leave conclusions to the experts though :)
-Ton-
--------------------------------------------------------
Ton Roosendaal - ton at blender.org - www.blender.org
Chairman Blender Foundation - Producer Blender Institute
Entrepotdok 57A - 1018AD Amsterdam - The Netherlands
On 14 Jun, 2013, at 18:42, Jürgen Herrmann wrote:
> Hi,
>
> I did extensive tests on windows with different cuda toolkits and different builds (VS 2008, 2012 and MinGW) lately to see if I can find a reason why Cycles is so much slower on Windows/MSVC builds.
> My results can be reviewed here : http://download.shadowrom.de/Benchmark.pdf
> We could speed up CUDA performance on all OS if we use nvcc compiler optimization switches and some optimization in the cuda kernel code.
>
> I’ve also tried to profile cycles with “Very Sleepy” on Windows MSVC builds too. I am still experimenting on how to speed up the time critical parts for M$ compilers …
>
> /Jürgen
>
>
> _______________________________________________
> Bf-cycles mailing list
> Bf-cycles at blender.org
> http://lists.blender.org/mailman/listinfo/bf-cycles
More information about the Bf-cycles
mailing list