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Offline gimbal

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« Posted 2012-08-13 15:13:28 »

I picked this up from a Dutch tech site, I'm just passing it on Smiley I did a forum search or "rootbeer" and came up with nothing, so I hope I'm not duping here.

The gist of it is that it is more or less a Java specific version of OpenCL without all the baggage that comes with OpenCL. for a more in-depth description I advise you to read the blurb on the above link.
Offline Riven
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Hand over your head.

« Reply #1 - Posted 2012-08-13 15:37:56 »

It's basically a Java -> C transcoder. The code quality is rather bad, with hardcoded paths to files on the developers harddrive. Clueless

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Offline Spasi
« Reply #2 - Posted 2012-08-13 16:04:43 »

It generates CUDA code btw, so Nvidia/GPU only. AMD's Aparapi works on OpenCL and can fall-back to java.util.concurrent CPU execution when that's not available. What's interesting about Rootbeer is the native emulation mode:

Can be used to arbitrarily compile any Java bytecode to x86/amd64 and launch the native code from within a Java process.
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Offline kappa
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« Reply #3 - Posted 2012-08-14 15:17:37 »

What's even more interesting is this OpenJDK proposal. It'll add GPU support to the actual JVM, no need to for any external library or effort on the developers part.
Offline gimbal

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« Reply #4 - Posted 2012-08-14 15:20:16 »

Hm but OpenJDK proposals, especially invasive ones, tend to not appear too quickly so until then an external library can certainly help.

But I get the idea that rootbeer in its current state is a first nice try and not something people would actually go and use. Of course with some feedback that might improve a lot.
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