Are there any projects that work on 10.6? Collatz was the only one that sent tasks, but they have had lots of issues with errors and now no work units complete.

AFAIK, there is not any other project with such application :-(

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For Science and Shrubberies! Since January 13 2000.

As far as I know, the OpenCL support in Snow Leopard is flaky, at best. The support in Lion is way better, which is why projects tend to make their AMD GPU application compatible with that OS.

And I see that OpenCL (1.0 beta) support built into Snow Leopard is only for:
* NVIDIA Geforce 8600M GT, GeForce 8800 GT, GeForce 8800 GTS, Geforce 9400M, GeForce 9600M GT, GeForce GT 120, GeForce GT 130.
* ATI Radeon 4850, Radeon 4870.

The Radeon HD4850 and HD4870 have the wrong 'workgroup size' that application builders work with. They like 256 and higher for stability reasons, these GPU do only 128. The workgroup size is used to specify how much memory should be used to store the data that's going to be sent to the GPU.

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As far as I know, the OpenCL support in Snow Leopard is flaky, at best. The support in Lion is way better, which is why projects tend to make their AMD GPU application compatible with that OS.

...

AFAIK, since WCG ended GPGPU-supported project, there is still only Collatz with AMD/ATI/OpenCL GPU application for Lion. EAH app is only for Mountain Lion.

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For Science and Shrubberies! Since January 13 2000.

EAH app is only for Mountain Lion.

No, it isn't. I asked their developers, and they tell me it's Lion, not Mountain Lion.

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I have not found any update on this News:

Einstein@Home GPU Application for ATI/AMD Graphics Cards
After more than a year of work by Oliver Bock, Bernd Machenschalk, Heinz-Bernd Eggenstein and other developers, we are pleased to announce the release of the first Einstein@Home application for ATI/AMD Graphics Cards.

This OpenCL application, which searches Arecibo data for new radio pulsars, is about a factor of ten faster than the same search running on a typical CPU. The application is currently available for Windows and Linux computers with Radeon HD 5000 or better graphics cards. We hope to have a version for Macintosh (Apple OS X 10.8, Mountain Lion) sometime this summer, but there are still some problems that need to be fixed or worked around.

Volunteers who wish to run this application will need to install version 7.0.27 or later of the BOINC client. Please see this thread for more information, or if you want to ask questions.

Many thanks to the AMD/ATI team for their support in the OpenCL software development effort.

Bruce Allen
Director, Einstein@Home


15 May 2012 12:21:17 UTC

so I thought no upgrade of Mac OSX GPU OpenCL application has been done.

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For Science and Shrubberies! Since January 13 2000.