Version 2.2 of the ATI Stream SDK has been released. Features include:

• Support for OpenCL™ 1.1 specification.
• Support for Ubuntu® 10.04 and Red Hat® Enterprise Linux® 5.5.
• Support for X86 CPUs with SSE2.x or later (Adds to existing support for X86 CPUs with SSE3.x or later).
• Support for Microsoft® Visual Studio® 2010 Professional Edition and Minimalist GNU for Windows (MinGW) [GCC 4.4].
• Support for GNU Compiler Collection (GCC) 4.1 or later on Linux® systems (Adds to existing support for GCC 4.3 or later).
• Support for single-channel OpenCL™ image format.
• Support for OpenCL™ / DirectX® 10 interoperability.
• Support for additional double-precision floating point routines in OpenCL™ C kernels.
• Support for generating and loading binary OpenCL™ kernels.
• Support for native OpenCL™ kernels.
• Preview Feature: Support for accessing additional physical memory on the GPU from OpenCL™ applications.
• Preview Feature: Support for printf() in OpenCL™ C kernels.
• Extension: Support for additional event states when registering event callbacks in OpenCL™ 1.1.
• Additional OpenCL™ samples.
• Package Update: ATI Stream Profiler 1.4.
• Various OpenCL™ compiler and runtime fixes and enhancements.
• Expanded OpenCL™ performance optimization guidelines in the ATI Stream SDK OpenCL™ Programming Guide.

The SDK and all documentation can be downloaded from http://developer.amd.com/stream.