[Bf-cycles] Cycles: Add an experimental CUDA kernel.

[David Black]

Hi Carlo,

Ah, yes, memory usage statistics provided were from Cycles reported usage.

David

3d-designs-davidblack.blogspot.com 
<http://www.3d-designs-davidblack.blogspot.com>

On 28/08/2014 05:08, Carlo Andreacchio wrote:
> Just tested the memory usage, there still is a massive increase in 
> memory usage when using experimental vs supported kernels...
>
> Generic Test scene:
> Supported - 850mb
> Experimental - 1408mb
>
> Tried to run Mike Pans BMW benchmark but I could not get it to load 
> under experimental kernel (1500mb ram limit, kernel was too big)
>
> Are you using a external program to report the memory usage for the 
> GPU? Cycles does not report GPU memory correctly to blender.
>
> Carlo
>
> >Hi Thomas and Sergey,
> >
> >http://lists.blender.org/pipermail/bf-blender-cvs/2014-August/067323.html
> >
> >Firstly, thank you kindly for adding experimental GPU SSS cubin files,
> >what an exciting, unexpected, surprise!
> >
> >Amazed to find Experimental cubin using exactly same amount of memory as
> >Supported cubin in a complex scene containing SSS. Also, less memory
> >than Blender 2.70a and 2.69.1 (GPU SSS test version).
> >Understandably Experimental cubin are a little slower than Supported
> >cubin due to SSS calculations, but not by a massive amount!
> >If helpful/interested added GPGPU memory consumption and speed test
> >results at the end of this mail.
>
>
>
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