Catalyst 12.4 beta drivers available here:http://www.tomshardware.com/forum/347950-33-catalyst-beta
OpenCL 1.2 beta:http://blogs.amd.com/developer/2012/03/23/welcome-to-opencl%E2%84%A2-1-2-check-out-these-beta-drivers-that-contain-a-complete-opencl%E2%84%A2-1-2-solution/
Last December we released preview drivers that contained much of new the functionality defined in the OpenCL 1.2™ specification. AMD is an ardent promoter of OpenCL™, and today, I am pleased to make available beta drivers that contain a complete – beta level – implementation of the OpenCL™ 1.2 specification. You can download the drivers from our APP SDK downloads page.
The OpenCL 1.2 beta includes the following OpenCL™ 1.2 functionality:
Host access flags for memory objects enable more efficient buffer handling and provide added protection. For example, a buffer that is created as “write only” cannot be read from the host.
Pattern based GPU buffer and image initialization can help eliminate need for certain buffer/image transfers
Memory objects migration supports transfer of buffers prior to need
New generalized image creation API
Enhanced image/buffer map operations
OpenCL 1.2 CPU device partition including partition of a CPU after addition to a context
Generalized 1D and 2D images, image arrays, and image<-> buffer interop
Libraries support including the separation of compile and link phases and the ability to compile with external symbols
Kernel reflection, the ability to query a kernel’s arguments
Support for printf as a built in function
Not a developer, but could this be the release we've been waiting for? Planning on trying it on my 7970 rig tonight, see if 5+ GPUs work again at least..