Marco Hutter

Thanks @blueberry for jumping in here so quickly! I could only have made the vague guess what might be wrong here - namely, that there is *no* OpenCL implementation available...

If so, it does not only mean that you can't do GPU computing in *Java*, but with this setup *in general*. I'm afraid I cannot provide really focused help here....

Can you elaborate this? You can call `clEnqueueNDRangeKernel` multiple times, of course. (It will always do the same thing, unless you set different kernel arguments, or unless you read or...

A JVM crash can be "expected", to some extent, but of course, it's **highly** undesirable. And it is always nice when there is a simple, straightforward way to prevent it...

You may have brought up something that can be considered as a more general (and more basic) issue. Interestingly, the docs at https://www.khronos.org/registry/OpenCL/sdk/2.0/docs/man/xhtml/clReleaseContext.html don't seem to state this clearly, but...

Yes, sorry, that wasn't managed cleanly: The version number in the CMake file is `2.0.1`. But the version number on the Java side (specifially, the one that is encoded in...

Sorry for the delayed response here. The question/issue contains quite some information that I'll have to read through more carefully. Beyond that, you may have noticed the disclaimers surrounding the...

So I had a short look at the article that you linked to, and your actual ray tracer, and the related projects (JOCLWrapper, Coordinate, ...): This is quite a lot...

@cursor42 Sorry for the delayed response. I have added you as a collaborator (but note that changes should still be done via PRs). Specifically: There is not really anything to...

@cursor42 Sorry, there seems to be a maximum of 3 collaborators for private repositories. So now I made https://github.com/gpu/JOCLStructs **public**, (naively) hoping that people will apply the appropriate scrutiny due...