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ATI Stream Computing Support
With the release of ATI Catalyst 8.12 users can unlock the potential of accelerated
applications enabling ATI Stream technology for millions of ATI Radeon
graphics processors worldwide
- ATI Stream computing harnesses the tremendous processing power of the
graphics processing unit (GPU) for high-performance, data-intensive computations
over a wide range of scientific, business and consumer applications.
- ATI Stream technology enables the hundreds of parallel Stream cores inside
AMD graphics processors to accelerate general purpose applications. These
capabilities will allow ATI Stream-enabled programs, for a variety of different
tasks and from a growing number of software vendors, to operate with optimized
performance or with new functionality.
ATI Stream Application: ATI AVIVO Video Converter
- Using ATI Stream technology, owners of ATI Radeon HD 4800 Series and
ATI Radeon HD 4600 Series of graphics cards can help accelerate the conversion
of standard and HD video into multiple formats for use on differing
consumer electronics devices
ATI Catalyst Control Center: Noise Reduction for
Progressive Video Content
- This release of Catalyst introduces a new advanced video quality control:
Noise Reduction for progressive video content, which removes ghosting artifacts
while preserving details of the original video. The slider control can be
found in the All Settings page of the Avivo Video tab found in the Catalyst
Control Center
Performance Improvements
The following performance gains are noticed with this release of Catalyst
- 3DMark Vantage DX10 performance gains of up to 5% for Single and
Crossfire mode. Performance gains were noticed on HD46xx, HD4550 and
HD4350.
- Call of Duty: World at War DX9 performance gains of up to 21% for Single
and Crossfire mode. Performance gains were noticed on all Radeon HD48xx.
- Crysis DX10 performance gains of up to 25% for Single and Crossfire
mode. Performance gains were noticed on all Radeon HD4xxx.
- Crysis Warhead DX10 performance gains of up to 13% for Single card
mode and up to 16% for Crossfire mode. Performance gains were noticed on
all Radeon HD4xxx.
- Devil May Cry 4 DX10 performance gains of up to 6% for Single and
Crossfire mode. Performance gains were noticed on all Radeon HD4xxx and
HD38xx.
- Fallout 3 performance gains of up to 15% for Single card mode.
- Far Cry 2 DX10 performance gains of up to 10% for Single card mode and
up to 57% in Crossfire mode. Performance gains were noticed on all Radeon
HD4xxx and HD38xx.
- FEAR DX9 performance gains of up to 6% for Single and Crossfire mode.
Performance gains were noticed on Radeon HD4870X2 and HD4870.
- Hellgate: London DX10 performance gains of up to 6% for Single card
mode and up to 10% for Crossfire mode. Performance gains were noticed on
all Radeon HD4xxx.
- Left 4 Dead DX9 performance gains of up to 10% for Single card mode and
up to 5% for Crossfire mode. Performance gains were noticed on all Radeon
HD4870 series.
- Lost Planet Colonies DX10 performance gains of up to 10% for Single and
Crossfire mode. Performance gains were noticed on all Radeon HD4xxx and
HD38xx.
- Prey OGL performance gains of up to 15% for Crossfire mode. Performance
gains were noticed on Radeon HD4870 1GB products, HD46xx,
HD45xx.
- S.T.A.L.K.E.R.: Clear Sky performance gains of up to 10% for Crossfire
mode. Performance gains were noticed on all Radeon HD4xxx and HD38xx.
- Unreal Tournament 3 DX9 performance gains of up to 18% for Single
card mode and up to 15% in Crossfire mode, especially in cases where AA is
enabled. Performance gains were noticed on all Radeon HD4xxx and
HD38xx.
Resolved Issues for the Windows Vista Operating System
This section provides information on resolved issues in this release of the ATI
Catalyst Software Suite for Windows Vista. These include:
- Setting shadow quality to high or medium may cause flickering in World of
Warcraft
- Age of Conan DirectX 10, may intermittently become unresponsive during
game play
- Catalyst Install Manager, the 'Deselect All' button will improperly mark
installed packages
- The display driver may fail after being installed on an ATI Radeon HD 4800
Series or ATI Radeon HD 4870 adapter
- Returning from system standby may cause some video corruption to occur on
some OpenGL games
- Catalyst Control Center, AVIVO video settings are disabled under MS Vista
- Catalyst Control Center, "Unsupported file formats" error message displayed
when selecting H.264 files for transcoding
- HD video file playback may cause the operating system to stop responding
- On some Crossfire configurations the OS may become unstable while running
auto-tune when Crossfire is enabled
- "Crossfire" hot key shortcut settings are not retained on reboot
- Catalyst Control Center Setup Assistant may intermittently cause Catalyst
Control Center to fail
- Catalyst Control Center, Digital Support Panel, predefined and custom HDTV
formats description has been updated
- Catalyst Control Center, resetting the application back to factory defaults does
not rest the application skin
- Help documentation for "Enable Geometry Instancing" and "Triple Buffering"
is unavailable in help page
Resolved Issues for the Windows XP Operating System
This section provides information on resolved issues in this release of the ATI
Catalyst Software Suite for Windows XP. These include:
- Using an HDMI cable to connect an ATI All-in-Wonder to a Yamaha receiver
may result in the display resolution being limited to 1280x1024 and audio
failing to function
- Catalyst Control Center, some of the 3D settings are not displayed on ATI
Radeon HD 4870 adapters
- The operating system may fail to start after installing the display driver with
some configurations of "Crosfire" with Radeon X1900 Series devices
- The operating system may intermittently fail when exiting Test Drive Unlimited
after extensive game play
- Dual display, playing multiple video files on each monitor may cause the system
to stop responding
- City of Villains: Attempting to launch the game on a system running Windows
XP and containing either two ATI Radeon HD 38x0 or 46x0 products
may result in the game failing to load and the operating system failing to
respond
- Some OpenGL applications may cause the OS to stop responding on some
ATI Radeon HD 45xx adapters
- On some configurations, the display driver may stop responding when resolution
is set to 2048x1536 with 8X Anti-Alias and Edge Detect filter enabled
- Exiting some games may intermittently cause the following error message
when 8X anti-alias edge detection is enabled: "Display Driver stopped working"
- Hot unplugging a HDMI connection during video playback may cause system
instability
- Catalyst Control Center: Enabling pulldown setting may not work on all video
formats
- Systems configured with Overlay Theater Mode enabled may intermittently
become unresponsive after playing video
- Catalyst Control Center, setting the de-noise slider does not affect the quality
of progressive video content
- Intermittent flickering may be noticed on the TV out display when playing a
DVD using Cyberlink PowerDVD
Known Issues Under the Windows Vista Operating System
This section provides information on known issues that may be experienced under
the Windows Vista operating system with the latest version of Catalyst. These
include:
- Catalyst Control Center , some screen corruption may be noticed after
enabling 1080p HDMI support and adjusting the scaling options
- Tomb Raider Underworld, some video artifacts may be noticed during game
play
- When using PowerDVD to play certain Blue-ray DVD titles, the lower portion
of the player window may intermittently appear shaky when playing Special
Features
- Video combing effects may be noticed during movie playback while fast forwarding
or rewinding
- Video corruption may occur when playing back 1080i MPEG2 content
- Catalyst Control Center, error message 'CCC Host Application' may be displayed
when cancelling a transcoding process
Known Issues Under the Windows XP Operating System
The following section provides a summary of open issues that may be experienced
under the Windows XP operating system in the latest version of Catalyst. These
include:
- Catalyst Control Center, the deinterlacing option under AVIVO video is not
available after returning from VPU recovery
- Video corruption may be noticed during certain MPEG-2 file playback
- Playing some Blu-ray HD titles on multi head displays may cause the system
to stop responding
- Previous transcoders may cause the ATI AVIVO Video Converter to not use
the GPU for trancodiing
- Transcoding multiple times may cause the ATI AVIVO Converter to not use
the GPU
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