ATI Stream SDK 2.0 is the first production SDK for both AMD GPUs and x86 CPUs.
What’s New in v2.0 :
First production release of ATI Stream SDK with OpenCL™ 1.0 support.
New: Support for OpenCL™ ICD (Installable Client Driver).
New: Support for atomic functions for 32-bit integers.
New: Microsoft® Visual Studio® 2008-integrated ATI Stream Profiler performance analysis tool.
Preview: Support for OpenCL™ / OpenGL® interoperability.
Preview: Support for OpenCL™ / Microsoft® DirectX® 10 interoperability.
Preview: Support for double-precision floating point basic arithmetic in OpenCL™ C kernels.
Updated cl.hpp from the Khronos OpenCL working group release.
Various OpenCL™ compiler and runtime fixes and enhancements (see developer release notes for more details).
Link & Source : Here