C++ AMP

Practical and theoretical implementation discussion.
toxie
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C++ AMP

Postby toxie » Thu Nov 14, 2013 1:18 pm

Just out of interest, did anybody ever try to code some more or less simple ray tracing kernel with C++ AMP?
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shiqiu1105
Posts: 138
Joined: Sun May 27, 2012 4:42 pm

Re: C++ AMP

Postby shiqiu1105 » Thu Nov 14, 2013 3:19 pm

Also curious~ Thanks for asking!

Dade
Posts: 206
Joined: Fri Dec 02, 2011 8:00 am

Re: C++ AMP

Postby Dade » Thu Nov 14, 2013 3:54 pm

toxie wrote:Just out of interest, did anybody ever try to code some more or less simple ray tracing kernel with C++ AMP?


BTW, I have read AMD has a recently shown C++ AMP for Linux (i.e. running over OpenCL so it is likely to be available for Apple too). However, I must admit, Microsoft hasn't really the best score with open standards and it is a bit hard to trust them.

toxie
Posts: 118
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Location: germany
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Re: C++ AMP

Postby toxie » Thu Nov 14, 2013 4:31 pm

not considering the political side of it, i would just be interested in performance and/or ease of implementation..
cause the marketing docs suggest a good combination of both.. ;)
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johnshadow23
Posts: 2
Joined: Sat Jun 04, 2016 7:36 pm

Re: C++ AMP

Postby johnshadow23 » Sat Nov 19, 2016 7:13 am

I have actually made a full interactive path tracer in amp c++!
I actually have been waiting to show it off and some one to post something about it...
This model is a low poly version of the Stanford dragon model, around 100k polys or so.
Image
This is running at 1fps, 1spp and 256x256 resolution, all on a gtx760 2gb.
Amp has really bad issues when work loads become large it doesn't like to run well. (bad scaling issues).
I also rendered this out on a work station that my friend has. NVIDIA Quadro K600 1spp 1fps
Image
This is a WIP and sorry about the long post in here :|.


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