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

Marco G marco.gzt at gmail.com
Thu Aug 28 12:23:32 CEST 2014


I remember Thomas suggesting to go with 7zip some time ago but got stopped.

Personally, for buildbot as suggested, i'd say +1.

MG


2014-08-28 12:13 GMT+02:00 Daniel Salazar - patazstudio.com <
zanqdo at gmail.com>:

> We switching graphicall to 7zip a few years ago and it really helped with
> bandwith and blender's big ass :)
>
> Daniel Salazar
> patazstudio.com
>
>
> On Thu, Aug 28, 2014 at 1:28 AM, Greg Zaal <gregzzmail at gmail.com> wrote:
>
>> I believe Windows 8 can handle 7z just fine. Official releases should be
>> .zip for sure, but I think if you're the sort of person who likes to
>> download potentially unstable nightly builds from the buildbot, you're the
>> sort of person who either already has software to handle 7zip files, or
>> doesn't mind getting one extra dependency.
>>
>>
>> On 28 August 2014 09:17, Sergey Sharybin <sergey.vfx at gmail.com> wrote:
>>
>>> The thing about archives from the blender.org sites is that they should
>>> be easy to use for everyone, minimizing external dependencies as much as
>>> possible. And for my knowledge you still need to install an external 7zip
>>> archiver on windows in order to be able to work with this format.
>>>
>>>
>>> On Thu, Aug 28, 2014 at 9:45 AM, David Black <db4tech at yahoo.co.uk>
>>> wrote:
>>>
>>>>  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.
>>>>
>>>>
>>>> ---------------------------------------------------------------------------------------------------------------------------------------------
>>>> In relation Blender file size increase (extra cubin files), is it worth
>>>> switching to 7-zip, at the very least for Buildbot versions? Saving server
>>>> space and bandwidth.
>>>> For those on Windows not wanting to install 7-zip, there's a portable
>>>> version (portableapps.com).
>>>>
>>>> Size compare
>>>> blender-2.71-6891f1c-win64.zip    94.7MB
>>>> blender-2.71-6891f1c-win64.7z     56.9MB
>>>>
>>>>
>>>> ---------------------------------------------------------------------------------------------------------------------------------------------
>>>>
>>>> *Above mentioned GPGPU memory and speed test results, complex scene
>>>> containing SSS (border region F12 render)*
>>>> Windows 7 x64
>>>> 2 GTX 580 (headless)
>>>>
>>>> *Blender 2.71.6 Hash 6891f1c*
>>>> *Experimental (GPU SSS) cubin*
>>>> Memory: Peak 2657.23
>>>> Time: 02:43.32
>>>>
>>>> *Supported (non-GPU SSS) cubin*
>>>> Memory: Peak 2657.23
>>>> Time: 02:18.99
>>>>
>>>> *Blender 2.69.1 Hash r60701M (RC1, GPU SSS test version)*
>>>> Memory: Peak 2746.60
>>>> Time: 02:46.61
>>>>
>>>> *Blender 2.70a** Hash **f93bc76 (GPU SSS not supported)*
>>>> Memory: Peak 2713.78
>>>> Time: 02:10.29
>>>>
>>>> Thank you,
>>>> David
>>>>
>>>> 3d-designs-davidblack.blogspot.com
>>>> <http://www.3d-designs-davidblack.blogspot.com>
>>>>
>>>> _______________________________________________
>>>> Bf-cycles mailing list
>>>> Bf-cycles at blender.org
>>>> http://lists.blender.org/mailman/listinfo/bf-cycles
>>>>
>>>>
>>>
>>>
>>> --
>>> 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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>
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