PS3 Real-time Ray-tracing
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Uploaded on Apr 1, 2007
IBM Interactive Ray-tracer (iRT) using three Sony Playstation3s (PS3) to render a model that is 75x more complex then those used in today's games. Ray-tracing is the rendering technique used by the film industry and is considered to complex for today's game systems. The code was written using IBM Cell SDK 2.0 on Linux. The iRT is totally scalable and only requires one Cell SPE to run. More PS3s = More SPEs = Higher client frame rates. All images are at least 720p 4x multi-sampled, with dynamic light sources, procedurally generated atmosphere, and dynamic shadows.
Sorry about the bad camera microphone.
Download raytracer at:
http://www.alphaworks.ibm.com/tech/irt
Here's a link to the model we used:
http://www.turbosquid.com/FullPreview...
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Uploader Comments (Barry Minor)
Michael Munnett 3 years ago
Thank you for taking time out of your job to respond to my message & keep up the excellent work you & everyone else dose at ibm thank you!
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Barry Minor 3 years ago
np - thanks for posting
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Michael Munnett 3 years ago
hey barry do you know what the reason was for sony down clocking the cell processor's clock speed inside playstation 3 because im carious to know the reason why?
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Barry Minor 3 years ago
The Cell in the PS3 runs at 3.2 GHz which is full speed for the part. In the lab however with "special" liquid cooling we have run them at over 6.0 GHz.
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All Comments (54)
PhotoShopChannel 2 years ago
because it uses the traditional multi-core style processor instead of multi single cores processors (Cell Broadband Engine), this program is made for Linux/Ubuntu wich you don't get of the xbox. the Xbox architecture is better for games and the games developers which is why cross platform games look slightly better / run better on Xbox.
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Arri411 2 years ago
(cont'd) LOTS of memory and/or extra memory slots. and just call that the PS4. They wouldn't have to add any media player, no wireless, no bluetooth, SD slots...none of that. Hell, if they would transition their tools to a customized version of OSX they could even probably add an inexpensive Intel multicore processor along side the Cells.
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Arri411 2 years ago
I know the demo is old at this point, but I'm curious about whether one PS3s was actually acting as a controller for the rest and whether that was a major performance hit? Real-time ray tracing for full crowded scenes is fairly heavy lifting even for modern processing solution hardware, but it would be kind of nice if Sony could/would make an accessory appliance for the PS3 that had 3-4 Cell processor assemblies, some basic processor for task managing and a gigabit ethernet controller with RAM
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Mr220king 2 years ago
3 PS3's can do real time ray tracing wow, but still the PS3 can't do more than 720p with very little AA.
I'd like to see them do real time ray tracing in game with more than 1 model and decent back grounds.
A bit pointless realy.
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Amyloves123 2 years ago
this was cool.. back in 2007. But we now have affordable multicore processors for standard computers that can do more
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danix30001 2 years ago
for rendering CGI movies is REALLY usefull
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MenkoDany 2 years ago
How do you make clusters out of those ps3's?
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MrHamzaAsghar 2 years ago
So does this mean, a single ps3 cant handle all this ???
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GuyFromNewark88 2 years ago
i dont see anyone doing this type of stuff on the 360
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TKGB2006 2 years ago
I just saw a short CGI movie made in 1985 that didn't even look as close to this and in the credits, it said that it required 150 computers to do what you just did with 3 PS3's.
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