Yesterday I already published download links for AMD's Catalyst 13.8 beta driver but now I also have the changelog. Among other things, this release promises to fix CrossFire frame pacing issues. You can download it over here.
Feature Highlights of The AMD Catalyst 13.8 Beta Driver for Windows:
Support for AMD CrossFire™ Frame Pacing
Frame Pacing ensures that frames rendered across multiple GPUs in a CrossFire configuration will be displayed at an even and regular pace.
Enabled through the AMD Catalyst Control Center; Globally or on a per application basis.
Frame Pacing is enabled by default.
Supported for DirectX 10 and DirectX 11 applications, and resolutions up to and including 2560x1600 (single display).
OpenGL 4.3 support – full support for the OpenGL 4.3 feature set
Performance improvements found in AMD Catalyst 13.8 Beta for Windows:
Metro: Last Light – improves performance up to 7% on the AMD Radeon™ HD 7000 Series
OpenGL support for User Profiles and Catalyst Application Profiles:
Users can now create per application 3D setting profiles for OpenGL applications.
OpenGL applications are now supported through Catalyst Application Profile updates (for single GPU and AMD CrossFire configurations).
AMD Enduro Technology enhancement - Catalyst Control Center will now show which applications are active on the Performance GPU, and the Power-Saving GPU
Resolved crash when enabling AMD CrossFireX™ on some AMD 970 platforms
Improved stability for AMD Radeon HD 7790
Resolved intermittent mouse cursor corruption when rapidly moving the cursor across window borders